Edmunds County, South Dakota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 39th-largest in South Dakota
The population of Edmunds County, South Dakota is 4,033 as of the 2023 American Community Survey, making it the 39th-largest county in South Dakota. The median household income is $77,266, the median home value is $163,600, and the median age is 43.6.
The population of Edmunds County has declined 1.0% since 2010 (4,066 → 4,027), a -0.07% annualized rate.
4,033
Population
-0.07%
Annual growth
4
People / sq mi
$77,266
Median Income
$163,600
Median Home Value
Edmunds County covers 1,126 sq mi of land at 3.6 people per square mile.
About Edmunds County, SD
Edmunds County stands apart on settlement density — it is among the most sparsely settled of US counties, at roughly 4 people per square mile. With 4,033 residents, Edmunds County is a county in South Dakota. It ranks #39 among counties in South Dakota by population.
Median household income is $77,266, near the US median of $78,538. Poverty is among the lowest of comparable US counties, at 4.6% — below the national 12.4%. Median home value is $163,600, with typical rent around $881.
About 29.5% of adults 25 and older have a bachelor’s degree, below the 35.0% national figure. About 13.2% of workers primarily work from home, below the national 14.0%, and the average commute runs about 20 minutes each way.
Edmunds County Population History (2010-2024)
The county of Edmunds County had a population of 4,066 in 2010 and 4,027 in 2024, a -1.0% growth over 14 years. The peak was 4,103 in 2022. Average annual growth rate: -0.06%.
4,027
Population (2024)
4,066
Population (2010)
4,103
Peak (2022)
-0.06%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 4,066 |
| 2011 | 4,042 |
| 2012 | 4,013 |
| 2013 | 4,026 |
| 2014 | 3,972 |
| 2015 | 3,998 |
| 2016 | 3,937 |
| 2017 | 3,915 |
| 2018 | 3,853 |
| 2019 | 3,857 |
| 2020 | 3,997 |
| 2021 | 4,044 |
| 2022 | 4,103 |
| 2023 | 4,067 |
| 2024 | 4,027 |
Race & Ethnicity
| White | 95.0% |
| Black or African American | 0.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Age & Sex
43.6
Median Age
48.5%
Female
51.5%
Male
22.4%
Age 65+
Age Distribution
Children (under 15): 20.6% · Seniors (65+): 22.4%
Income & Poverty
| Median household income | $77,266+$4,845 vs state |
| Mean household income | $109,208 |
| Per-capita income | $43,546 |
| Poverty rate | 4.6%-2.8% vs state |
| Unemployment rate | 0.4% |
| Employment-to-population | 61.3% |
Top Industries by Employment
The largest employment sector in Edmunds County is professional & business services, accounting for 23.5% of workers.
How residents commute
0.0%
Drive alone
6.2%
Carpool
69.1%
Public transit
13.2%
Work from home
20.3 min
Avg commute
Housing
$163,600$-73,200 vs state
Median home value
$881
Median rent
80.9%
Homeownership rate
1,892
Total housing units
84.0%
Occupied
16.0%
Vacant
19.1%
Renter-occupied
Social & access
95.9%
With health insurance
95.0%
With broadband internet
20.5%
Foreign-born
8.0%
Veterans (18+)
11.3%
With a disability
95.1%
Speak language other than English at home
Education
94.5%
High School+
29.5%
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
Edmunds County, South Dakota has a population of 4,033 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 39th-largest county in South Dakota. Population density is 4 people per square mile.
The population of Edmunds County has declined 1.0% since 2010 (4,066 → 4,027), a -0.07% annualized rate.
The median household income in Edmunds County, South Dakota is $77,266, with mean (average) household income of $109,208 and per-capita income of $43,546. 4.6% of residents live below the federal poverty level.
In Edmunds County, the largest racial and ethnic groups are White (95.0%), Black or African American (0.8%), Hispanic or Latino (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Edmunds County, South Dakota is 43.6 years. Residents are 48.5% female and 51.5% male.
The median home value in Edmunds County is $163,600 and median monthly rent is $881. 80.9% of occupied housing units are owner-occupied. The county has 1,892 total housing units, 16.0% of which are vacant.
The largest employment sector in Edmunds County, South Dakota is professional, scientific, and management services, employing 23.5% of workers. The unemployment rate is 0.4%.
Sioux Falls is among the largest cities associated with Edmunds County, South Dakota, with a population of 197,642.
Edmunds County, SD Climate
Edmunds County, SD has an average annual temperature of 6.2°C (43°F) and receives about 468 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
6.2°C
Avg Temp
468
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -12° / 11° | 9 mm |
| February | -8° / 18° | 10 mm |
| March | -1° / 30° | 29 mm |
| April | 7° / 44° | 53 mm |
| May | 14° / 57° | 66 mm |
| June | 19° / 66° | 86 mm |
| July | 22° / 71° | 65 mm |
| August | 21° / 70° | 55 mm |
| September | 15° / 59° | 39 mm |
| October | 8° / 47° | 32 mm |
| November | -2° / 29° | 15 mm |
| December | -9° / 16° | 9 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Edmunds County, SD
The most comfortable months to visit Edmunds County, SD are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -17°C low). June is usually the wettest month.
Where to stay near Edmunds County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.