Demographics of Davison County, South Dakota

Davison County, South Dakota had 20,069 people on July 1, 2025, by the Census Bureau’s estimate: +109 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Davison County, in four figures

20,069
Population: July 1, 2025, Vintage 2025 estimate.; +0.5%
Change since July 2020: +109 people.; 39.6 ±0.7
Median age: ACS 2020–⁠2024.; $66,208 ±$7,907
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Davison County, South Dakota's population grew 0.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Davison County, South Dakota's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Davison County, South Dakota's population grew 0.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Davison County, South Dakota's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	19,960	100.0	100.0
2021	19,907	99.7	100.2
2022	20,022	100.3	100.7
2023	19,969	100.0	101.6
2024	19,990	100.2	102.5
2025	20,069	100.5	103.1

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Population of Davison County, South Dakota on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	19,960	+2	+25	0	−20
2021	19,907	−53	−31	+6	−38
2022	20,022	+115	+2	+107	+21
2023	19,969	−53	+1	+14	−70
2024	19,990	+21	+11	+61	−49
2025	20,069	+79	+7	+14	+57

Age, 2020–2024

The median age is 39.6 ±0.7: for men 39.0 ±1.7 and for women 41.2 ±2.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Davison County by age, ACS 2020–2024
Age	People	Share	South Dakota	United States
Under 5	1,233 ±133	6.2% ±0.7	6.3% ±0.1	5.6% ±<0.1
5 to 17	3,475 ±288	17.4% ±1.4	17.9% ±0.2	16.3% ±<0.1
18 to 24	1,683 ±275	8.4% ±1.4	9.3% ±0.4	9.1% ±<0.1
25 to 44	4,720 ±336	23.7% ±1.7	25.2% ±0.2	26.9% ±<0.1
45 to 64	4,685 ±331	23.5% ±1.7	23.3% ±0.2	24.8% ±<0.1
65 and over	4,156 ±392	20.8% ±2.0	18.0% ±0.3	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $66,208 ±$7,907, and income per person $38,150 ±$2,468, in 2024 dollars. The median is $75,081 ±$888 in South Dakota and $80,734 ±$166 in the United States.

Households by income

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Households in Davison County by income, ACS 2020–2024
Household income	Households	Share	South Dakota	United States
Under $25,000	1,683 ±355	18.9% ±4.0	14.0% ±0.4	14.6% ±<0.1
$25,000 to $49,999	1,641 ±343	18.4% ±3.8	18.5% ±0.5	16.7% ±<0.1
$50,000 to $74,999	1,561 ±289	17.5% ±3.2	17.4% ±0.4	15.5% ±<0.1
$75,000 to $99,999	1,481 ±359	16.6% ±4.0	14.6% ±0.4	12.6% ±<0.1
$100,000 to $149,999	1,349 ±260	15.2% ±2.9	18.9% ±0.5	17.5% ±<0.1
$150,000 to $199,999	700 ±204	7.9% ±2.3	8.5% ±0.3	9.6% ±<0.1
$200,000 or more	484 ±149	5.4% ±1.7	8.1% ±0.4	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Davison County by age, ACS 2020–2024
Age	Below poverty	Rate	South Dakota	United States
All ages	2,116 ±463	11.2% ±2.4	11.9% ±0.4	12.5% ±0.1
Under 18	216 to 648	10.4% ±5.1	14.3% ±0.6	16.1% ±0.1
18 to 59	1,294 ±329	13.4% ±3.3	11.8% ±0.5	11.6% ±0.1
60 and over	390 ±151	7.6% ±2.9	9.7% ±0.4	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Davison County, ACS 2020–2024
Measure	Davison County	South Dakota	United States
Housing units	9,579 ±39	408,584 ±422	143,775,355 ±10,234
Occupied	92.9% ±2.2	89.5% ±0.4	89.9% ±0.1
Vacant	7.1% ±2.2	10.5% ±0.4	10.1% ±0.1
Owner occupied	61.5% ±2.7	68.6% ±0.5	65.2% ±0.3
Renter occupied	38.5% ±3.4	31.4% ±0.5	34.8% ±0.1
Median home value	$205,800 ±$16,963	$257,400 ±$3,051	$332,700 ±$236
Median gross rent	$847 ±$69	$946 ±$11	$1,413 ±$2
Median year built	1972 ±2	1980 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Davison County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	South Dakota	United States
Hispanic or Latino	1,017 ±0	5.1% ±<0.1	4.8% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	17,606 ±13	88.2% ±0.1	79.8% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	64 to 202	0.3% to 1.0%	2.1% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	19 to 179	0.1% to 0.9%	1.4% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	626 ±208	3.1% ±1.0	7.1% ±0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 16	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 293	0% to 1.5%	0.3% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	341 ±139	1.7% ±0.7	4.4% ±0.2	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Davison County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	South Dakota	United States
Born in the state	15,236 ±518	76.4% ±2.6	62.4% ±0.4	57.3% ±<0.1
Born in another state	4,289 ±534	21.5% ±2.7	32.9% ±0.4	26.9% ±<0.1
Born a citizen outside the states	0 to 61	0% to 0.3%	0.7% ±0.1	1.7% ±<0.1
Born abroad	194 to 600	1.0% to 3.0%	4.0% ±0.2	14.1% ±<0.1
Naturalized citizens	29 to 189	0.1% to 0.9%	1.7% ±0.1	7.4% ±<0.1
Not citizens	93 to 483	0.5% to 2.4%	2.3% ±0.2	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Davison County among the counties of South Dakota

10th of 66 by population, July 2025. Every one is listed on the South Dakota page.

Counties of South Dakota near Davison County in population, July 2025
County	July 2025	Change since 2020
Brown County	37,561	−1.7%
Meade County	30,711	+2.7%
Codington County	29,562	+4.3%
Lawrence County	29,459	+14.0%
Yankton County	23,635	+1.5%
Davison County	20,069	+0.5%
Beadle County	19,624	+2.4%
Hughes County	17,570	−0.9%
Union County	17,402	+3.2%
Clay County	15,031	+0.2%
Oglala Lakota County	13,338	−2.3%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026