Signature · 1 LILA tracts (50% of tracts)
Corson County, SD
Corson County's signature pressure is desert tracts: 1 LILA tracts (50% of the book) alongside 36.1% low-access.
- 36.1%
- low-access pop.
- 1
- food-desert tracts
- 25.1%
- on SNAP
- 4K
- residents (ACS 2024)
USDA FARA access plate
County Corson County, SD
LA-ELEVATED · ABOVE-NATIONAL · LILA-SINGLE · SNAP-HEAVY · VEH-GAP · DENSITY-DENSE
- LA-ELEVATED 36.1% low-access
- ABOVE-NATIONAL +14.0 pts vs US
- LILA-SINGLE 1 food-desert tract
- SNAP-HEAVY 25.1% SNAP
- VEH-GAP 11.6% no vehicle
- DENSITY-DENSE 50% tracts LILA
Nearest low-access peer: Custer County ( -0.8 pts)
Upper-band low-access
Corson County sits in the upper national band (36.1%, #548 of 3,079) with 1 LILA tracts.
- #548
- national by low-access %
- #30
- in SD
- 1
- low-access tracts
- 859
- food-desert residents
Upper-band counties often pair elevated low-access with clustered LILA tracts. Low access = >1 mile urban / >10 miles rural.
Signature read: 1 LILA tracts (50% of tracts) .
How Corson County compares nationally
Relative to the 3,133 U.S. counties with USDA food-access data, Corson County's 36.1% low-access share is elevated, higher than 82% of them and ranked #548 most-affected nationwide.
Corson County's elevated USDA tier split
2 census tracts grouped by USDA classification · 1 LILA.
All 2 of Corson County's tracts are rural in the USDA classification, so every one is judged on the 10-mile test: a resident counts as low-access only when the nearest supermarket is more than 10 miles away.
Corson County vs nearby high low-access peers
Poles + nearest peers in South Dakota, not a full county-board reprint
- Jones
Jones 100%
100 % low-access
- Ziebach 37.5
Ziebach 37.5%
37.5 % low-access
- Corson 36.1
Corson 36.1%
36.1 % low-access
- Custer 35.3
Custer 35.3%
35.3 % low-access
- Roberts 35.3
Roberts 35.3%
35.3 % low-access
- Hughes 34.8
Hughes 34.8%
34.8 % low-access
- Oglala Lakota 0
Oglala Lakota 0%
0 % low-access
FARA 2019 · elevated low-access
| Indicator | Value |
|---|---|
| Census Tracts | 2 |
| Atlas Population (2010 basis) | 4,050 |
| Low-Access Tracts | 1 |
| Food-Desert Tracts (low-income & low-access) | 1 |
| Low-Access Population | 1,463 |
| Low-Access Share | 36.1%well above the national average |
| Low-Income & Low-Access Population | 859 |
ACS 2024 · elevated SNAP band
| Indicator | Value |
|---|---|
| Population | 3,806 |
| Median Household Income | $46,406 |
| Poverty Rate | 44.2%well above the national average |
| SNAP Households | 283 |
| SNAP Participation Rate | 25.1%well above the national average |
| Households Without a Vehicle | 11.6%above the national average |
Slim SNAP store book in Corson County
Corson County has 2 stores currently authorized to accept SNAP (EBT) benefits, across 2 store categories. Combination Grocery/Other lead with 1 locations (50% of the total), followed by large grocery store.
Where the store book sits, by town
All 2 authorized stores are in Mclaughlin, 1 of them grocery-grade (supermarket or large/medium grocery).
Combination Grocery/Other · 1
- family dollar 11507, mclaughlin
Large Grocery Store · 1
- moser's main street market, mclaughlin
Source: USDA SNAP Retailer Locator (currently authorized stores, a live third population, not the 2019 Atlas or ACS 2024 snapshot above).
Other Counties in South Dakota
One of 65 counties in South Dakota, 6 are shown here.
Compare Corson County vs Aurora County → · All South Dakota counties →
South Dakota among West North Central states
South Dakota ranks 1st of 7 West North Central states by population-weighted low-access (29.1%). Corson County, at 36.1%, runs 7.0 pts above the South Dakota rate.
- South Dakota 29.1%
- North Dakota 28.9%
- Minnesota 27.4%
- Kansas 26.4%
- Missouri 24.9%
- Nebraska 21.9%
- Iowa 20.0%
Source: USDA Economic Research Service, Food Access Research Atlas (2019), population-weighted by state; divisions per the U.S. Census Bureau. National state map
Read with this county
Sources: USDA Economic Research Service, Food Access Research Atlas (2019) · U.S. Census Bureau, American Community Survey, 2024 5-Year Estimates · methodology · compiled .
PlainFoodAccess renders this county profile directly from the USDA Food Access Research Atlas (2019) and U.S. Census Bureau American Community Survey (2024 5-year estimates), no number is typed in by an editor. Figures for Corson County, SD are computed from the joined Atlas and ACS records for FIPS 46031. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-06-23. Primary sources: USDA Food Access Research Atlas and Census ACS 5-year estimates.
Note: This page presents public USDA and Census data for informational purposes and is not professional advice. Figures reflect the cited dataset vintages and may differ from the most recent local conditions. How this data is sourced & verified.