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 #551 most-affected nationwide.
Corson County's elevated USDA tier split
2 census tracts grouped by USDA classification · 1 LILA.
By USDA urbanicity classification, Corson County has 0 urban and 2 rural census tracts. The 1-mile (urban) vs 10-mile (rural) distance threshold above applies per tract, so a county's access rate reflects this mix.
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.
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 →
Corson County inside a higher low-access state context
Corson County sits inside South Dakota (ringed). Each state is colored by population-weighted low-access; click any state to compare.
USDA Economic Research Service, Food Access Research Atlas (2019), population-weighted · Census ACS 2024 context
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.