Fall River County, South Dakota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 25th-largest in South Dakota
The population of Fall River County, South Dakota is 7,179 as of the 2023 American Community Survey, making it the 25th-largest county in South Dakota. The median household income is $61,056, the median home value is $176,300, and the median age is 54.5.
The population of Fall River County has grown 3.4% since 2010 (7,115 → 7,359), a +0.24% annualized rate.
7,179
Population
+0.24%
Annual growth
4
People / sq mi
$61,056
Median Income
$176,300
Median Home Value
Fall River County covers 1,740 sq mi of land at 4.1 people per square mile.
About Fall River County, SD
Fall River County skews on age — the median resident is 54.5, older than the national median. With 7,179 residents, Fall River County is a county in South Dakota. It ranks #25 among counties in South Dakota by population.
Household earnings are middling, with a median of $61,056 — below the US median of $78,538. Poverty sits at 17.5%, above the national 12.4%. Median home value is $176,300, with typical rent around $866.
22.2% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. About 11.4% of workers primarily work from home, below the national 14.0%, and the average commute runs about 21 minutes each way.
The age structure shapes everything downstream in Fall River County — from housing demand to the mix of working-age earners reflected in the income figures above.
Fall River County Population History (2010-2024)
The county of Fall River County had a population of 7,115 in 2010 and 7,359 in 2024, a 3.4% growth over 14 years. The peak was 7,373 in 2022. Average annual growth rate: 0.26%.
7,359
Population (2024)
7,115
Population (2010)
7,373
Peak (2022)
0.26%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 7,115 |
| 2011 | 6,960 |
| 2012 | 6,974 |
| 2013 | 6,811 |
| 2014 | 6,849 |
| 2015 | 6,809 |
| 2016 | 6,779 |
| 2017 | 6,698 |
| 2018 | 6,730 |
| 2019 | 6,688 |
| 2020 | 6,973 |
| 2021 | 7,217 |
| 2022 | 7,373 |
| 2023 | 7,369 |
| 2024 | 7,359 |
Race & Ethnicity
| White | 85.0% |
| Black or African American | 0.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 9.6% |
| Two or More Races | 0.0% |
Age & Sex
54.5
Median Age
50.6%
Female
49.4%
Male
30.9%
Age 65+
Age Distribution
Children (under 15): 13.7% · Seniors (65+): 30.9%
Income & Poverty
| Median household income | $61,056$-11,365 vs state |
| Mean household income | $74,869 |
| Per-capita income | $36,268 |
| Poverty rate | 17.5%+10.1% vs state |
| Unemployment rate | 1.8% |
| Employment-to-population | 50.7% |
Top Industries by Employment
The largest employment sector in Fall River County is professional & business services, accounting for 26.6% of workers.
How residents commute
0.4%
Drive alone
5.2%
Carpool
76.4%
Public transit
11.4%
Work from home
20.7 min
Avg commute
Housing
$176,300$-60,500 vs state
Median home value
$866
Median rent
75.3%
Homeownership rate
4,101
Total housing units
84.0%
Occupied
16.0%
Vacant
24.7%
Renter-occupied
Social & access
85.0%
With health insurance
90.4%
With broadband internet
48.8%
Foreign-born
15.8%
Veterans (18+)
22.9%
With a disability
96.6%
Speak language other than English at home
Education
91.5%
High School+
22.2%
Bachelor's+
Largest cities in South Dakota
Other counties in South Dakota
Part of South Dakota
Metro areas in South Dakota
County rankings
Frequently Asked Questions
Fall River County, South Dakota has a population of 7,179 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 25th-largest county in South Dakota. Population density is 4 people per square mile.
The population of Fall River County has grown 3.4% since 2010 (7,115 → 7,359), a +0.24% annualized rate.
The median household income in Fall River County, South Dakota is $61,056, with mean (average) household income of $74,869 and per-capita income of $36,268. 17.5% of residents live below the federal poverty level.
In Fall River County, the largest racial and ethnic groups are White (85.0%), Hispanic or Latino (9.6%), Black or African American (0.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Fall River County, South Dakota is 54.5 years. Residents are 50.6% female and 49.4% male.
The median home value in Fall River County is $176,300 and median monthly rent is $866. 75.3% of occupied housing units are owner-occupied. The county has 4,101 total housing units, 16.0% of which are vacant.
The largest employment sector in Fall River County, South Dakota is professional, scientific, and management services, employing 26.6% of workers. The unemployment rate is 1.8%.
Sioux Falls is among the largest cities associated with Fall River County, South Dakota, with a population of 197,642.
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Statewide data for South Dakota
Population, race, income, age, and trends across South Dakota
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.