Davison County, South Dakota Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 10th-largest in South Dakota

The population of Davison County, South Dakota is 19,936 as of the 2023 American Community Survey, making it the 10th-largest county in South Dakota. The median household income is $61,401, the median home value is $190,000, and the median age is 39.8.

The population of Davison County has grown 2.2% since 2010 (19,484 → 19,907), a +0.15% annualized rate.

Davison County within South Dakota · Source: US Census TIGER/Line via us-atlas

19,936

Population

+0.15%

Annual growth

People / sq mi

$61,401

Median Income

$190,000

Median Home Value

Davison County covers 436 sq mi of land at 45.8 people per square mile.

About Davison County, SD

Davison County is a county in South Dakota with a population of 19,936. It ranks #10 among counties in South Dakota by population. The median age is 39.8, in line with the national median. The population is 49.0% male and 51.0% female.

The median household income in Davison County is $61,401, below the US median of $74,580. 6.1% of residents live below the federal poverty level. Home values sit at a median of $190,000, with monthly rent averaging $750. The homeownership rate of 63.0% is close to the national rate of 64.8%.

Educational attainment in Davison County reflects 25.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.0% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 13.1 minutes each way.

Davison County Population History (2010-2024)

The county of Davison County had a population of 19,484 in 2010 and 19,907 in 2024, a 2.2% growth over 14 years. The peak was 20,034 in 2016. Average annual growth rate: 0.16%.

19,907

Population (2024)

19,484

Population (2010)

20,034

Peak (2016)

0.16%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	19,484	-	-	estimate
2011	19,723	+239	+1.23%	estimate
2012	19,958	+235	+1.19%	estimate
2013	19,950	-8	-0.04%	estimate
2014	19,974	+24	+0.12%	estimate
2015	19,922	-52	-0.26%	estimate
2016	20,034	+112	+0.56%	estimate
2017	19,893	-141	-0.70%	estimate
2018	19,847	-46	-0.23%	estimate
2019	19,865	+18	+0.09%	estimate
2020	19,954	+89	+0.45%	estimate
2021	19,901	-53	-0.27%	estimate
2022	20,025	+124	+0.62%	estimate
2023	19,973	-52	-0.26%	estimate
2024	19,907	-66	-0.33%	estimate

Race & Ethnicity

White	90.1%
Black or African American	0.6%
Asian	0.0%
Hispanic or Latino (any race)	5.8%
Two or More Races	0.0%

Age & Sex

39.8

Median Age

51.0%

Female

49.0%

Male

20.3%

Age 65+

Age Distribution

Under 5

6.8%

5–9

6.2%

10–14

6.3%

15–19

7.3%

20–24

5.9%

25–34

12.7%

35–44

11.3%

45–54

10.7%

55–59

6.6%

60–64

6.0%

65–74

11.1%

75–84

6.1%

85+

3.1%

Children (under 15): 19.3% · Seniors (65+): 20.3%

Income & Poverty

Median household income	$61,401$-11,020 vs state
Mean household income	$82,114
Per-capita income	$36,524
Poverty rate	6.1%-1.3% vs state
Unemployment rate	0.6%
Employment-to-population	66.7%

Top Industries by Employment

Professional & business services

25.5%

Manufacturing

10.6%

Education & health care

8.8%

Construction

7.4%

Finance & real estate

6.7%

Arts, entertainment & food

6.4%

Public administration

5.4%

Information

5.2%

The largest employment sector in Davison County is professional & business services, accounting for 25.5% of workers.

How residents commute

0.9%

Drive alone

2.8%

Carpool

78.5%

Public transit

9.0%

Work from home

13.1 min

Avg commute

Housing

$190,000$-46,800 vs state

Median home value

$750

Median rent

63.0%

Homeownership rate

9,550

Total housing units

91.2%

Occupied

8.8%

Vacant

37.0%

Renter-occupied

Social & access

92.3%

With health insurance

91.2%

With broadband internet

22.5%

Foreign-born

7.7%

Veterans (18+)

14.8%

With a disability

96.6%

Speak language other than English at home

Education

91.8%

High School+

25.0%

Bachelor's+

Largest cities in South Dakota

Sioux Falls (197,642)Rapid City (76,836)Aberdeen (28,297)Brookings (23,710)Watertown (22,859)Mitchell (15,637)Yankton (15,501)Huron (14,347)Pierre (14,008)Spearfish (12,551)All South Dakota cities →

Other counties in South Dakota

Minnehaha County (200,689)Pennington County (112,081)Lincoln County (68,286)Brown County (38,079)Brookings County (34,968)Meade County (30,297)Codington County (28,556)Lawrence County (26,574)Yankton County (23,379)Beadle County (19,279)All South Dakota counties →

Part of South Dakota

South Dakota demographic profile All South Dakota data →

Metro areas in South Dakota

Sioux Falls (293,107)Rapid City (151,064)Sioux City (144,007)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Davison County, South Dakota has a population of 19,936 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 10th-largest county in South Dakota. Population density is 46 people per square mile.

The population of Davison County has grown 2.2% since 2010 (19,484 → 19,907), a +0.15% annualized rate.

The median household income in Davison County, South Dakota is $61,401, with mean (average) household income of $82,114 and per-capita income of $36,524. 6.1% of residents live below the federal poverty level.

In Davison County, the largest racial and ethnic groups are White (90.1%), Hispanic or Latino (5.8%), Black or African American (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Davison County, South Dakota is 39.8 years. Residents are 51.0% female and 49.0% male.

The median home value in Davison County is $190,000 and median monthly rent is $750. 63.0% of occupied housing units are owner-occupied. The county has 9,550 total housing units, 8.8% of which are vacant.

The largest employment sector in Davison County, South Dakota is professional, scientific, and management services, employing 25.5% of workers. The unemployment rate is 0.6%.

Sioux Falls is among the largest cities associated with Davison County, South Dakota, with a population of 197,642.