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Fall River County, SD
10 cities and towns and 5 ZIP codes in Fall River County, South Dakota.
Population
7,258
Land area
1,740sq mi
People per sq mi
4
ZIP codes
5
Cities and towns in Fall River County
Fall River County at a glance
- Fall River County is 65% less dense than South Dakota as a whole.
- Households here earn a median of $67,917 a year, 10% less than the South Dakota figure of $75,081.
- A typical owner-occupied home is valued at $193,200 (25% below South Dakota) and median rent is $931 a month.
- The biggest population centers are Hot Springs (3,548), Edgemont (860) and Oelrichs (198).
Local data for Fall River County, SD
Counts from official public data
Housing and community stats
Fall River County, SD, American Community Survey 2020-2024
Median household income
$67,917
Poverty rate
16.6%
Median home value
$193,200
Prices +13.1% in a year
Median rent
$931/mo
Homeownership
72.4%
Bachelor's or higher
29.4%
Median age
55.3
Average commute
19.4 min
Largest reported origins and ancestries: German Americans (2,180), Irish Americans (1,086), Norwegian Americans (540).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
2.9%
Aug 2026, +0.3 pts in a year
Average annual pay
$52,195
2,506 jobs, 2025
Income per person
$64,712
BEA, 2024
Federal spending
$173M
FY 2026, $24,820 per person
PPP loans
$12.41M
394 loans, 1,446 jobs reported
Campaign donations
$41.35K
Itemized, 2026 cycle
How people get to work
Fall River County, SD, workers 16 and older. American Community Survey 5-year estimates
- Drove alone78.6%
- Carpooled4.5%
- Public transit0.1%
- Walked4.5%
- Bicycle1.2%
- Taxi, ride-hailing, motorcycle or other1.3%
- Worked from home9.7%
Average one-way commute: 19.4 minutes for people who do not work from home.
Environment and hazard risk
Fall River County, SD, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: wildfire
Storm events since 1996
929
Most often hail
Flood insurance policies
8
0.2% of homes, county
July high / Jan low
89° / 14°F
18.6 inches of rain a year
Hazards, floods and storm historyCheck a flood zone8 historic places
Health statistics
Share of adults in Fall River County, SD, CDC PLACES estimates
Obesity
38.0%
U.S. 33.3% +4.7 pts
Diabetes
16.4%
U.S. 12.1% +4.3 pts
Smoking
17.4%
U.S. 12.8% +4.6 pts
Uninsured (18-64)
8.9%
U.S. 11.1% -2.2 pts
Cities, towns and ZIP codes in Fall River County
Population shown
Frequently asked questions
- What is the largest city in Fall River County, SD?
- Hot Springs is the largest city or town in Fall River County, with about 3,548 residents.
- How many ZIP codes are in Fall River County?
- Fall River County includes 5 ZIP Code Tabulation Areas, including 57735, 57747, 57763, 57766, 57782.
- What is the population of Fall River County, SD?
- About 7,258 people live in Fall River County, based on American Community Survey 5-year estimates.
- What counties border Fall River County?
- Fall River County borders Oglala Lakota County, Custer County, Dawes County, NE, Niobrara County, WY, Sioux County, NE.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023