Deuel County, South Dakota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 38th-largest in South Dakota
The population of Deuel County, South Dakota is 4,318 as of the 2023 American Community Survey, making it the 38th-largest county in South Dakota. The median household income is $79,556, the median home value is $180,100, and the median age is 42.0.
The population of Deuel County has declined 0.3% since 2010 (4,350 → 4,335), a -0.02% annualized rate.
4,318
Population
-0.02%
Annual growth
7
People / sq mi
$79,556
Median Income
$180,100
Median Home Value
Deuel County covers 623 sq mi of land at 6.9 people per square mile.
About Deuel County, SD
The poverty rate is what most separates Deuel County from the typical county: 3.4% of residents live below the federal poverty line, against 12.4% nationally. Deuel County is a county in South Dakota with a population of 4,318. It ranks #38 among counties in South Dakota by population.
Households take in a median $79,556, comfortably near the US median of $78,538. Hardship is rare relative to US counties: a poverty rate of just 3.4%, below the national 12.4%. Median home value is $180,100, with typical rent around $668.
Degree attainment is mid-range for US counties: 24.1% of adults hold a four-year degree, below the national 35.0%. Remote work is below the national 14.0% at 9.1%, and the average commute runs about 27 minutes each way.
Deuel County Population History (2010-2024)
The county of Deuel County had a population of 4,350 in 2010 and 4,335 in 2024, a -0.3% growth over 14 years. The peak was 4,376 in 2012. Average annual growth rate: -0.02%.
4,335
Population (2024)
4,350
Population (2010)
4,376
Peak (2012)
-0.02%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 4,350 |
| 2011 | 4,368 |
| 2012 | 4,376 |
| 2013 | 4,312 |
| 2014 | 4,323 |
| 2015 | 4,326 |
| 2016 | 4,244 |
| 2017 | 4,302 |
| 2018 | 4,317 |
| 2019 | 4,334 |
| 2020 | 4,302 |
| 2021 | 4,299 |
| 2022 | 4,357 |
| 2023 | 4,345 |
| 2024 | 4,335 |
Race & Ethnicity
| White | 94.7% |
| Black or African American | 0.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
Age & Sex
42.0
Median Age
48.7%
Female
51.3%
Male
21.9%
Age 65+
Age Distribution
Children (under 15): 19.8% · Seniors (65+): 21.9%
Income & Poverty
| Median household income | $79,556+$7,135 vs state |
| Mean household income | $90,704 |
| Per-capita income | $37,556 |
| Poverty rate | 3.4%-4.0% vs state |
| Unemployment rate | 0.7% |
| Employment-to-population | 62.5% |
Top Industries by Employment
The largest employment sector in Deuel County is manufacturing, accounting for 19.7% of workers.
How residents commute
0.0%
Drive alone
2.6%
Carpool
75.5%
Public transit
9.1%
Work from home
26.6 min
Avg commute
Housing
$180,100$-56,700 vs state
Median home value
$668
Median rent
80.6%
Homeownership rate
2,147
Total housing units
83.8%
Occupied
16.2%
Vacant
19.4%
Renter-occupied
Social & access
92.3%
With health insurance
89.4%
With broadband internet
42.2%
Foreign-born
8.9%
Veterans (18+)
12.5%
With a disability
95.1%
Speak language other than English at home
Education
93.6%
High School+
24.1%
Bachelor's+
Largest cities in South Dakota
Other counties in South Dakota
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County rankings
Frequently Asked Questions
Deuel County, South Dakota has a population of 4,318 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 38th-largest county in South Dakota. Population density is 7 people per square mile.
The population of Deuel County has declined 0.3% since 2010 (4,350 → 4,335), a -0.02% annualized rate.
The median household income in Deuel County, South Dakota is $79,556, with mean (average) household income of $90,704 and per-capita income of $37,556. 3.4% of residents live below the federal poverty level.
In Deuel County, the largest racial and ethnic groups are White (94.7%), Hispanic or Latino (1.3%), Black or African American (0.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Deuel County, South Dakota is 42.0 years. Residents are 48.7% female and 51.3% male.
The median home value in Deuel County is $180,100 and median monthly rent is $668. 80.6% of occupied housing units are owner-occupied. The county has 2,147 total housing units, 16.2% of which are vacant.
The largest employment sector in Deuel County, South Dakota is manufacturing, employing 19.7% of workers. The unemployment rate is 0.7%.
Sioux Falls is among the largest cities associated with Deuel County, South Dakota, with a population of 197,642.
Deuel County, SD Climate
Deuel County, SD has an average annual temperature of 6°C (43°F) and receives about 606 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
6°C
Avg Temp
606
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -12° / 11° | 15 mm |
| February | -8° / 17° | 15 mm |
| March | -2° / 29° | 41 mm |
| April | 6° / 44° | 58 mm |
| May | 14° / 57° | 75 mm |
| June | 19° / 66° | 95 mm |
| July | 22° / 71° | 87 mm |
| August | 20° / 69° | 75 mm |
| September | 15° / 59° | 56 mm |
| October | 8° / 46° | 50 mm |
| November | -2° / 29° | 26 mm |
| December | -9° / 16° | 13 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 Deuel County, SD
The most comfortable months to visit Deuel County, SD are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -17°C low). June is usually the wettest month.
Where to stay near Deuel County
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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.