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Douglas County, SD
6 cities and towns and 5 ZIP codes in Douglas County, South Dakota.
Population
2,828
Land area
432sq mi
People per sq mi
7
ZIP codes
5
Cities and towns in Douglas County
Douglas County at a glance
- Douglas County is 45% less dense than South Dakota as a whole.
- Households here earn a median of $86,442 a year, 15% more than the South Dakota figure of $75,081.
- A typical owner-occupied home is valued at $166,900 (35% below South Dakota) and median rent is $877 a month.
- The biggest population centers are Corsica (699), Armour (675) and Delmont (183).
Local data for Douglas County, SD
Counts from official public data
Housing and community stats
Douglas County, SD, American Community Survey 2020-2024
Median household income
$86,442
Poverty rate
11.0%
Median home value
$166,900
Median rent
$877/mo
Homeownership
76.7%
Bachelor's or higher
24.9%
Median age
42.0
Average commute
19.6 min
Largest reported origins and ancestries: German Americans (788), Dutch Americans (742), Irish Americans (178).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
2.5%
Aug 2026, +0.4 pts in a year
Average annual pay
$47,141
1,050 jobs, 2025
Income per person
$73,191
BEA, 2024
Federal spending
$30.81M
FY 2026, $10,867 per person
PPP loans
$12.95M
607 loans, 1,240 jobs reported
Campaign donations
$4,550
Itemized, 2026 cycle
How people get to work
Douglas County, SD, workers 16 and older. American Community Survey 5-year estimates
- Drove alone78.4%
- Carpooled4.7%
- Public transit0.4%
- Walked8.3%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.1%
- Worked from home7.1%
Average one-way commute: 19.6 minutes for people who do not work from home.
Environment and hazard risk
Douglas County, SD, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
512
Most often hail
Flood insurance policies
4
0.1% of homes, county
July high / Jan low
88° / 10°F
25.4 inches of rain a year
Hazards, floods and storm historyCheck a flood zone6 historic places
Health statistics
Share of adults in Douglas County, SD, CDC PLACES estimates
Obesity
35.1%
U.S. 33.3% +1.8 pts
Diabetes
13.6%
U.S. 12.1% +1.5 pts
Smoking
15.8%
U.S. 12.8% +3.0 pts
Uninsured (18-64)
9.3%
U.S. 11.1% -1.8 pts
Cities, towns and ZIP codes in Douglas County
Population shown
Frequently asked questions
- What is the largest city in Douglas County, SD?
- Corsica is the largest city or town in Douglas County, with about 699 residents.
- How many ZIP codes are in Douglas County?
- Douglas County includes 5 ZIP Code Tabulation Areas, including 57313, 57328, 57330, 57344, 57364.
- What is the population of Douglas County, SD?
- About 2,828 people live in Douglas County, based on American Community Survey 5-year estimates.
- What counties border Douglas County?
- Douglas County borders Davison County, Charles Mix County, Hutchinson County, Aurora County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023