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Sanborn County, SD
5 cities and towns and 3 ZIP codes in Sanborn County, South Dakota.
Population
2,384
Land area
569sq mi
People per sq mi
4
ZIP codes
3
Cities and towns in Sanborn County
Sanborn County at a glance
- Sanborn County is 65% less dense than South Dakota as a whole.
- Households here earn a median of $78,750 a year, 5% more than the South Dakota figure of $75,081.
- A typical owner-occupied home is valued at $135,600 (47% below South Dakota) and median rent is $725 a month.
- The biggest population centers are Woonsocket (759), Letcher (171) and Artesian (148).
Local data for Sanborn County, SD
Counts from official public data
Housing and community stats
Sanborn County, SD, American Community Survey 2020-2024
Median household income
$78,750
Poverty rate
8.5%
Median home value
$135,600
Median rent
$725/mo
Homeownership
78.6%
Bachelor's or higher
21.3%
Median age
40.1
Average commute
21.2 min
Largest reported origins and ancestries: German Americans (1,000), Irish Americans (286), Norwegian Americans (282).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
1.5%
Sep 2026, 0.0 pts in a year
Average annual pay
$44,664
626 jobs, 2025
Income per person
$62,718
BEA, 2024
Federal spending
$23.9M
FY 2026, $10,268 per person
PPP loans
$9.8M
510 loans, 926 jobs reported
Campaign donations
$5,525
Itemized, 2026 cycle
How people get to work
Sanborn County, SD, workers 16 and older. American Community Survey 5-year estimates
- Drove alone72.4%
- Carpooled4.6%
- Public transit0.0%
- Walked4.3%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home18.6%
Average one-way commute: 21.2 minutes for people who do not work from home.
Environment and hazard risk
Sanborn County, SD, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: wildfire
Storm events since 1996
592
Most often hail
Flood insurance policies
1
0.1% of homes, county
July high / Jan low
86° / 5°F
24.6 inches of rain a year
Hazards, floods and storm historyCheck a flood zone4 historic places
Health statistics
Share of adults in Sanborn County, SD, CDC PLACES estimates
Obesity
36.3%
U.S. 33.3% +3.0 pts
Diabetes
12.6%
U.S. 12.1% +0.5 pts
Smoking
16.1%
U.S. 12.8% +3.3 pts
Uninsured (18-64)
9.3%
U.S. 11.1% -1.8 pts
Cities, towns and ZIP codes in Sanborn County
Population shown
Frequently asked questions
- What is the largest city in Sanborn County, SD?
- Woonsocket is the largest city or town in Sanborn County, with about 759 residents.
- How many ZIP codes are in Sanborn County?
- Sanborn County includes 3 ZIP Code Tabulation Areas, including 57314, 57359, 57385.
- What is the population of Sanborn County, SD?
- About 2,384 people live in Sanborn County, based on American Community Survey 5-year estimates.
- What counties border Sanborn County?
- Sanborn County borders Davison County, Beadle County, Kingsbury County, Hanson County, Aurora County, Miner County, Jerauld County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023