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PantryPath Research

WIC Coverage
Gap Atlas

A state-by-state atlas of the nation's quietest safety-net failure: WIC reaches only 60% of the women, infants, and children it's designed to serve. We map coverage rates, unserved populations, and county-level eligibility estimates from USDA FNS and Census data.

60.2%

national WIC coverage

6.0M of 9.9M eligibles served

4.0M

eligible but unserved

39.8% participation gap

7.9M

children under 6 at ≤185% FPL

ACS B17024 — our county allocator

Data last updated: April 2026 · 3,144 counties · 51 states

The quietest safety-net gap

WIC — Women, Infants, and Children — is the nutrition program with the strongest evidence base in the federal food-assistance portfolio. Decades of research show it improves birth outcomes, cuts infant mortality, and boosts children's cognitive development. It's also one of the lowest-cost: about $50 per participant per month in benefits.

So why does WIC reach only about half of the people who qualify? USDA's WIC Eligibles Report — published every two years — puts the national coverage rate at roughly 60%. That means 3,958,000 women, infants, and young children who legally qualify are not receiving WIC's monthly food package, nutrition counseling, or breastfeeding support. The gap is structural: fragmented outreach, clinic access, administrative burden, and — for immigrant families — decades of public-charge confusion despite WIC's explicit exemption.

Full methodology + county allocation approach

Who qualifies for WIC

Pregnant women, postpartum women (up to 6 months, or 1 year if breastfeeding), infants under 1, and children under 5 — in households at or below 185% of the federal poverty level. Families receiving SNAP, Medicaid, or TANF are automatically income-eligible. Available regardless of immigration status and explicitly exempt from public-charge consideration.

The five map views

  • Coverage rate — state-level participants ÷ eligibles (0–100%).
  • Coverage gap — inverse (where WIC is leaving people behind).
  • Unserved — raw count of eligible people not enrolled.
  • Eligibles — total eligible population by state.
  • Child poverty share — ACS-measured share of children under 6 at ≤185% FPL.

The national picture

All sources ↓

Coverage rate

60.2%

Participants ÷ eligibles

Participation gap

39.8%

1 − coverage

Total eligibles

9.9M

USDA FNS FY2022 est.

Participants

6.0M

FY2024 monthly avg

Unserved

4.0M

Eligibles − participants

Kids < 6 low-income

7.9M

35.3% of universe

Interactive map

Toggle between WIC coverage rate, the gap, unserved eligibles, total eligibles, and ACS child-poverty share. Click any state to open its county-level deep dive.

Loading national map…

Lower
Higher

Five stories the data tells

Highest WIC coverage

States reaching the most eligibles

  1. 1 Vermont 81.8%
  2. 2 California 74.1%
  3. 3 Massachusetts 73.1%
  4. 4 Rhode Island 73.1%
  5. 5 Alaska 72.7%
  6. 6 New York 72.1%

Lowest WIC coverage

States with the biggest coverage gaps

  1. 1 Nevada 40.2%
  2. 2 Louisiana 46.6%
  3. 3 Arkansas 46.7%
  4. 4 Oklahoma 46.8%
  5. 5 Mississippi 48.4%
  6. 6 Alabama 48.4%

Largest unserved population

Raw count: eligibles minus participants

  1. 1 Texas 540K
  2. 2 California 333K
  3. 3 Florida 284K
  4. 4 New York 159K
  5. 5 Georgia 156K
  6. 6 Illinois 152K

Largest WIC programs

By participant count

  1. 1 California 950K
  2. 2 Texas 727K
  3. 3 New York 410K
  4. 4 Florida 334K
  5. 5 North Carolina 229K
  6. 6 Georgia 222K

Highest child-poverty share

Children < 6 at ≤185% FPL (ACS)

  1. 1 New Mexico 50.3%
  2. 2 Mississippi 50.0%
  3. 3 Arkansas 48.7%
  4. 4 West Virginia 46.6%
  5. 5 Oklahoma 45.8%
  6. 6 Alabama 45.1%

Apply for WIC

Our 51 state-by-state WIC guides explain income limits, food-package rules, and how to contact your state WIC agency — with every clinic locator linked.

Open the WIC state guides

All 51 states ranked

Coverage rate, eligibles, participants, unserved gap, and child-poverty context for every state and DC.

State Coverage Eligibles Participants Unserved Child poverty
Alabama 48.4% 186,000 90,000 96,000 45.1%
Alaska 72.7% 22,000 16,000 6,000 32.4%
Arizona 50.2% 275,000 138,000 137,000 38.1%
Arkansas 46.7% 122,000 57,000 65,000 48.7%
California 74.1% 1,283,000 950,000 333,000 31.5%
Colorado 52.7% 146,000 77,000 69,000 26.1%
Connecticut 54.3% 81,000 44,000 37,000 26.9%
Delaware 62.1% 29,000 18,000 11,000 34.8%
District of Columbia 66.7% 18,000 12,000 6,000 26.7%
Florida 54.0% 618,000 334,000 284,000 38.6%
Georgia 58.7% 378,000 222,000 156,000 39.5%
Hawaii 65.1% 43,000 28,000 15,000 26.5%
Idaho 55.2% 58,000 32,000 26,000 38.6%
Illinois 54.6% 335,000 183,000 152,000 31.9%
Indiana 50.5% 186,000 94,000 92,000 38.1%
Iowa 67.1% 76,000 51,000 25,000 32.6%
Kansas 50.6% 85,000 43,000 42,000 34.6%
Kentucky 52.8% 144,000 76,000 68,000 43.9%
Louisiana 46.6% 174,000 81,000 93,000 45.1%
Maine 54.2% 24,000 13,000 11,000 31.1%
Maryland 59.2% 142,000 84,000 58,000 26.6%
Massachusetts 73.1% 145,000 106,000 39,000 23.2%
Michigan 67.2% 253,000 170,000 83,000 37.4%
Minnesota 63.1% 130,000 82,000 48,000 26.1%
Mississippi 48.4% 122,000 59,000 63,000 50.0%
Missouri 53.0% 164,000 87,000 77,000 37.4%
Montana 60.9% 23,000 14,000 9,000 36.2%
Nebraska 54.4% 57,000 31,000 26,000 31.0%
Nevada 40.2% 122,000 49,000 73,000 38.6%
New Hampshire 52.4% 21,000 11,000 10,000 19.9%
New Jersey 68.7% 201,000 138,000 63,000 27.7%
New Mexico 58.1% 74,000 43,000 31,000 50.3%
New York 72.1% 569,000 410,000 159,000 33.7%
North Carolina 64.0% 358,000 229,000 129,000 39.3%
North Dakota 56.3% 16,000 9,000 7,000 26.9%
Ohio 53.9% 308,000 166,000 142,000 37.9%
Oklahoma 46.8% 141,000 66,000 75,000 45.8%
Oregon 61.5% 117,000 72,000 45,000 30.8%
Pennsylvania 65.1% 312,000 203,000 109,000 34.1%
Rhode Island 73.1% 26,000 19,000 7,000 28.4%
South Carolina 52.9% 155,000 82,000 73,000 41.1%
South Dakota 60.9% 23,000 14,000 9,000 34.8%
Tennessee 56.8% 220,000 125,000 95,000 40.9%
Texas 57.4% 1,267,000 727,000 540,000 39.9%
Utah 59.4% 96,000 57,000 39,000 27.9%
Vermont 81.8% 11,000 9,000 2,000 26.3%
Virginia 57.9% 202,000 117,000 85,000 29.0%
Washington 64.1% 198,000 127,000 71,000 27.7%
West Virginia 60.0% 45,000 27,000 18,000 46.6%
Wisconsin 65.6% 131,000 86,000 45,000 31.7%
Wyoming 69.2% 13,000 9,000 4,000 33.1%

Frequently asked questions

What is WIC and who qualifies?

WIC — the Special Supplemental Nutrition Program for Women, Infants, and Children — provides nutritious foods, nutrition education, and breastfeeding support to pregnant and postpartum women, infants, and children up to age 5. Income eligibility is household income at or below 185% of the federal poverty level. People who already receive SNAP, Medicaid, or TANF are automatically income-eligible ("adjunctive eligibility"). WIC is available regardless of immigration status and is NOT considered a public charge.

What is the WIC coverage gap?

The WIC coverage gap is the difference between the number of people who qualify for WIC and the number who actually participate. Nationwide, only about 60% of eligible people receive WIC benefits — meaning roughly 3,958,000 eligible women, infants, and young children go without WIC's nutrition support. The gap varies widely by state: from under 40% coverage to over 80%. USDA's WIC Eligibles Report (published every 2 years) is the authoritative source for these estimates.

Why does the coverage gap exist?

Multiple barriers explain the gap: (1) lack of awareness — families who qualify don't know WIC exists or assume they're ineligible; (2) outreach cuts — WIC marketing budgets have declined since the 1990s; (3) clinic access — rural families may face long drives to WIC offices; (4) stigma and administrative burden — appointments, documentation, and repeated visits are hard for working families; (5) older-child drop-off — participation falls sharply for children age 1–4 even though eligibility continues through age 5; (6) immigrant-family chilling effects — despite WIC's public-charge exemption, confusion around immigration policy has suppressed enrollment in some communities.

What are the income limits for WIC?

WIC income limits are 185% of the federal poverty level. For 2025: a household of 2 at $39,128/year, household of 3 at $49,303/year, household of 4 at $59,478/year (add ~$10,175 per additional person). Families receiving SNAP, Medicaid, or TANF are automatically income-eligible. Adjunctive eligibility via Medicaid is especially common because Medicaid's eligibility threshold for pregnant women (138-213% FPL depending on state) often captures families who would also qualify for WIC directly.

How is WIC coverage measured?

The numerator is WIC participation — the average monthly count of women, infants, and children receiving benefits, published monthly by USDA FNS by state. The denominator is WIC eligibles — an estimate combining Census population counts with income-to-poverty ratios (for direct eligibility) plus SNAP, Medicaid, and TANF enrollment (for adjunctive eligibility). USDA publishes the eligibles estimate every 2 years in the WIC Eligibles Report. The coverage rate equals participants ÷ eligibles.

Does WIC affect immigration status?

No. WIC is explicitly exempt from public-charge considerations. Receiving WIC benefits does NOT affect eligibility for a green card, citizenship, or any immigration status. Documented and undocumented residents can apply. Some state WIC agencies accept alternative forms of identification. If you are unsure, the National WIC Association publishes a plain-language guide and every state WIC agency has outreach staff.

Explore your state

Every state page includes an interactive county-level choropleth, the state's coverage rate and unserved gap, and county-by-county eligibility estimates.

Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

Green = ≥65% coverage · Red = <50% coverage

Methodology

Last reviewed April 2026

This atlas reports Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) coverage for all 50 states, the District of Columbia, and all 3,144 U.S. counties. State-level eligibility estimates come from USDA's biennial WIC Eligibles Report (FY2022 release); state-level participation comes from the USDA FNS WIC Monthly Data (FY2024 average). County allocation is derived from the Census Bureau's American Community Survey 5-year release (2019–2023), table B17024 — specifically the count of children under 6 at or below 185% of the federal poverty line. The entire dataset is regenerated by running scripts/wic-coverage/build-counties.mjs.

The WIC program

WIC is a federal public-health nutrition program administered by USDA's Food and Nutrition Service (FNS) and delivered by state and ITO (Indian Tribal Organization) agencies. It was established in 1972 as a pilot and made permanent in 1974. Unlike SNAP, WIC is not an entitlement — it depends on annual congressional appropriations — but it has been continuously funded at levels that allow all eligible applicants to enroll during normal operations.

  • Who it serves: pregnant, breastfeeding, and postpartum women; infants; and children up to age 5.
  • Benefit: prescribed food packages (infant formula, fruits and vegetables, whole grains, dairy, eggs, peanut butter, etc.), breastfeeding support, nutrition education, and referrals to health and social services.
  • Delivery: all states now issue benefits via electronic benefit transfer (EBT) cards, completed nationwide under a 2020 congressional mandate.
  • Average monthly participation: roughly 6.0 million women, infants, and children nationally (FY2024).

Eligibility rules

An applicant qualifies for WIC if they meet all four of the following:

  1. Categorical: pregnant woman, postpartum woman (up to 6 months), breastfeeding woman (up to 12 months), infant (under 1 year), or child (1 through 4 years).
  2. Residential: live in the state where they apply (no minimum duration).
  3. Income: household income at or below 185% of the federal poverty line, OR automatic (adjunctive) eligibility by participating in SNAP, Medicaid, or TANF. Adjunctive eligibility is the dominant path — roughly three-quarters of WIC participants qualify this way.
  4. Nutrition risk: assessed at a WIC clinic by a health professional (anthropometric, hematologic, dietary, or other risk factor). In practice this screens in virtually all income-eligible applicants.

Immigration status is not an eligibility factor for WIC. WIC is not a federal public benefit subject to the public charge rule, and non-citizen and mixed-status families may apply without risk to immigration proceedings (2024 USCIS guidance, FRAC confirmation).

Data sources

Source Vintage Used for
USDA FNS WIC Eligibles Report FY2022 (published 2024) State-level count of people eligible for WIC (pregnant/postpartum women, infants, children 1–4)
USDA FNS WIC Monthly Data FY2024 monthly average State-level WIC participants (the numerator in the coverage rate)
Census ACS B17024 (county) 2019–2023 5-year County count of children under 6 by ratio of income to poverty; drives the state→county allocation weight
USDA FNS WIC PC2022 April 2022 snapshot Adjunctive-eligibility share, demographic context in surrounding prose
us-atlas counties-10m TopoJSON 2023 cartographic boundaries County + state polygons for the choropleth maps

All numeric sources are federal, publicly available, and do not require an API key. Citations with access dates live in the Sources section below.

The coverage rate

Coverage rate (also called program reach in USDA publications) is the headline metric of this atlas: 

wic_coverage_rate = wic_participants / wic_eligibles

The numerator is the FY2024 state-level monthly average participant count from FNS. The denominator is the FY2022 eligibles estimate from USDA's biennial methodology (the most recent release, published in 2024). The two vintages differ by two years; this is the best alignment possible given publication schedules. FNS recommends against re-basing eligibles on interim ACS releases because the Eligibles Report methodology incorporates assumptions about adjunctive eligibility and program category shares that are re-estimated only biennially.

The participation gap is the complement: 

wic_participation_gap = 1 − wic_coverage_rate

The unserved count is the number of eligible people not enrolled — the dollar-free, people-centric framing of the gap: 

wic_unserved = wic_eligibles × wic_participation_gap

County allocation

WIC participation and eligibility are only published at the state level. To render a county choropleth, we allocate state totals to counties proportional to each county's share of the state's children under 6 living at or below 185% of the federal poverty line, derived from Census ACS B17024. Children under 6 are the most populous WIC category (roughly three-quarters of participants) and the ACS 5-year release publishes this at the county level with acceptable margins of error for nearly all counties. 

county_share = county_children_u6_at_185pct_fpl / state_children_u6_at_185pct_fpl

wic_eligibles_est   = state_wic_eligibles   × county_share
wic_participants_est = state_wic_participants × county_share
wic_unserved_est    = state_wic_unserved    × county_share

Coverage rate at the county level is not allocated — every county inside a state inherits the state's coverage rate. This is documented prominently on every state page so readers do not over-interpret intra-state variation in the map.

A handful of small counties (typically population under 2,000) have suppressed or zero B17024 counts; these are assigned the minimum non-zero share (one child) so they still render on the map rather than being dropped. This affects fewer than 30 counties nationally.

State and national rollups

  • State aggregates are taken directly from the federal-level tables — not re-summed from the county allocations — so state totals match USDA's published figures exactly.
  • National aggregates sum the 51 state values. National coverage rate is the national participant total divided by the national eligibles total, not an average of state rates.
  • Rankings surface five data-driven stories: highest coverage, lowest coverage, largest unserved population, largest absolute programs, highest child-poverty share. A sixth card promotes PantryPath's existing state WIC application guides.

Limitations

  • County coverage rate is inherited. Every county inside a state shows the state-level coverage rate on the "coverage rate" map view. We explicitly flag this on every state page and recommend readers use the eligibles, unserved, or child-poverty-share views for within-state comparison.
  • Eligibles vintage. USDA's biennial Eligibles Report uses FY2022 reference-year data published in 2024. Participation is FY2024. A two-year gap is unavoidable given publication schedules but means coverage may be slightly over- or under-stated for states whose eligible population has shifted substantially since 2022.
  • Adjunctive eligibility complications. Roughly three-quarters of WIC participants qualify adjunctively through Medicaid, SNAP, or TANF. The Eligibles Report attempts to handle this but states with very broad Medicaid (for example, CHIP-expansion states) may see eligibles counts that are larger than a strict 185%-FPL-income-only tally would predict.
  • Nutrition-risk screen not modeled. Everyone who meets categorical + income criteria is assumed income-eligible for the Eligibles Report. In practice a small share (<5%) fail the nutrition-risk assessment. USDA's methodology does not adjust for this and neither do we.
  • ACS margin of error. County-level B17024 counts in rural and small-population counties carry non-trivial MOE. The county allocation therefore carries more noise in small counties than the state totals do. Ranking and coloring are designed to be robust to this (percentile-based bins), but point estimates for individual small counties should be used with care.
  • Territories and ITOs not mapped. WIC is also operated in Puerto Rico, Guam, the U.S. Virgin Islands, American Samoa, and the Commonwealth of the Northern Mariana Islands, plus roughly 34 Indian Tribal Organizations. These follow separate USDA authorities and are not included in the 51-state rollup.
  • No income-only subgroup. The Eligibles Report publishes a single eligibility total that blends income-eligible and adjunctively-eligible applicants. We cannot separate these at the state level.

Reproducibility

The entire atlas is driven by one pipeline script: scripts/wic-coverage/build-counties.mjs. It (1) fetches ACS B17024 county data for every state, (2) joins against the hardcoded state-level eligibles + participants table (from the USDA publications cited above), (3) computes county-level allocations using the low-income children-under-6 share, and (4) writes per-state + per-county JSON plus a national summary + rankings file. Emitted files live in src/data/wic-coverage/.

Pipeline metadata — dataset vintage, build timestamp, eligibles reference year, participation reference year — is embedded in every emitted JSON file and surfaced on the atlas's index page. Refresh cadence: re-run the script whenever FNS publishes a new Eligibles Report (biennial), or when a fresh ACS 5-year vintage lands (annual, usually December).

Sources & bibliography

6 primary sources · AMA format

Every statistic in this atlas cites back to one of the sources below. Entries are grouped by publishing organization. All federal endpoints are public and keyless; the Census API is public.

U.S. Census Bureau

  1. American Community Survey 5-Year Estimates, 2019-2023 (county subject tables)

    U.S. Census Bureau. American Community Survey 5-Year Estimates, 2019-2023 (Subject Tables S1701, S1901, S2201). U.S. Census Bureau; 2024. Accessed 2026-04-20. https://api.census.gov/data/2023/acs/acs5/subject

    Year of data: 2023 Published: 2024 Accessed: 2026-04-20 View source ↗

U.S. Department of Agriculture, Economic Research Service

  1. Household Food Security in the United States in 2023 (ERR-337) — Households with Children

    Rabbitt MP, Reed-Jones M, Hales LJ, Burke MP. Household Food Security in the United States in 2023 — Food Security Status of Households With Children. ERR-337. U.S. Department of Agriculture, Economic Research Service; 2024. Accessed 2026-04-19. https://www.ers.usda.gov/publications/pub-details?pubid=109895

    Year of data: 2023 Published: 2024 Accessed: 2026-04-19 View source ↗

U.S. Department of Agriculture, Food and Nutrition Service

  1. National- and State-Level Estimates of WIC Eligibility and Program Reach in 2022

    U.S. Department of Agriculture, Food and Nutrition Service. National- and State-Level Estimates of WIC Eligibility and Program Reach in 2022. USDA FNS; 2024. Accessed 2026-04-20. https://www.fns.usda.gov/wic/eligibility-and-coverage-rates

    Year of data: 2022 Published: 2024 Accessed: 2026-04-20 View source ↗

  2. WIC Program Monthly Participation Data

    U.S. Department of Agriculture, Food and Nutrition Service. WIC Program Data — Monthly Participation and Average Benefit. USDA FNS; 2025. Accessed 2026-04-20. https://www.fns.usda.gov/pd/wic-program

    Year of data: 2024 Published: 2025 Accessed: 2026-04-20 View source ↗

  3. WIC Participant and Program Characteristics 2022 (WIC PC2022)

    U.S. Department of Agriculture, Food and Nutrition Service. WIC Participant and Program Characteristics 2022. USDA FNS; 2024. Accessed 2026-04-20. https://www.fns.usda.gov/wic/wic-participant-and-program-characteristics-2022

    Year of data: 2022 Published: 2024 Accessed: 2026-04-20 View source ↗

Food Research & Action Center

  1. Making WIC Work for Families

    Food Research & Action Center. Making WIC Work for Families: Priorities for the 2024–2025 Program Year. FRAC; 2024. Accessed 2026-04-20. https://frac.org/programs/wic

    Year of data: 2024 Published: 2024 Accessed: 2026-04-20 View source ↗

Reuse & citation

This atlas is published under a CC BY 4.0 license. You are welcome to reuse the statistics, charts, and maps with attribution. Suggested citation:

PantryPath Research. WIC Coverage Gap Atlas: State- and County-Level Participation Versus Eligibility. PantryPath; 2026. Accessed [date]. https://pantrypath.com/research/wic-coverage/