Demographics of Tripp County, South Dakota

Tripp County, South Dakota had 5,708 people on July 1, 2025, by the Census Bureau’s estimate: +102 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.

Tripp County, in four figures

5,708
Population: July 1, 2025, Vintage 2025 estimate.; +1.8%
Change since July 2020: +102 people.; 45.0 ±1.9
Median age: ACS 2020–⁠2024.; $58,987 ±$5,357
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.

Tripp County, South Dakota's population grew 1.8% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Tripp 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

Tripp County, South Dakota's population grew 1.8% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Tripp 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	5,606	100.0	100.0
2021	5,576	99.5	100.2
2022	5,574	99.4	100.7
2023	5,697	101.6	101.6
2024	5,738	102.4	102.5
2025	5,708	101.8	103.1

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Population of Tripp 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	5,606	−22	−7	0	−13
2021	5,576	−30	−6	+3	−28
2022	5,574	−2	+8	+1	−7
2023	5,697	+123	+86	+2	+36
2024	5,738	+41	+11	0	+30
2025	5,708	−30	+9	−3	−35

Age, 2020–2024

The median age is 45.0 ±1.9: for men 42.5 ±3.3 and for women 46.9 ±1.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Tripp County by age, ACS 2020–2024
Age	People	Share	South Dakota	United States
Under 5	388 ±49	6.9% ±0.9	6.3% ±0.1	5.6% ±<0.1
5 to 17	911 ±137	16.2% ±2.4	17.9% ±0.2	16.3% ±<0.1
18 to 24	325 ±108	5.8% ±1.9	9.3% ±0.4	9.1% ±<0.1
25 to 44	1,180 ±163	21.0% ±2.9	25.2% ±0.2	26.9% ±<0.1
45 to 64	1,427 ±166	25.4% ±3.0	23.3% ±0.2	24.8% ±<0.1
65 and over	1,380 ±168	24.6% ±3.0	18.0% ±0.3	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $58,987 ±$5,357, and income per person $33,340 ±$3,596, 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 Tripp County by income, ACS 2020–2024
Household income	Households	Share	South Dakota	United States
Under $25,000	507 ±128	22.5% ±5.5	14.0% ±0.4	14.6% ±<0.1
$25,000 to $49,999	468 ±131	20.7% ±5.7	18.5% ±0.5	16.7% ±<0.1
$50,000 to $74,999	376 ±110	16.7% ±4.8	17.4% ±0.4	15.5% ±<0.1
$75,000 to $99,999	312 ±100	13.8% ±4.4	14.6% ±0.4	12.6% ±<0.1
$100,000 to $149,999	364 ±108	16.1% ±4.7	18.9% ±0.5	17.5% ±<0.1
$150,000 to $199,999	54 to 162	2.4% to 7.2%	8.5% ±0.3	9.6% ±<0.1
$200,000 or more	55 to 191	2.5% to 8.4%	8.1% ±0.4	13.4% ±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%.

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 Tripp County by age, ACS 2020–2024
Age	Below poverty	Rate	South Dakota	United States
All ages	990 ±248	18.4% ±4.6	11.9% ±0.4	12.5% ±0.1
Under 18	376 ±132	30.2% ±9.6	14.3% ±0.6	16.1% ±0.1
18 to 59	464 ±119	19.2% ±4.7	11.8% ±0.5	11.6% ±0.1
60 and over	76 to 224	8.8% ±4.3	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 Tripp County, ACS 2020–2024
Measure	Tripp County	South Dakota	United States
Housing units	2,762 ±14	408,584 ±422	143,775,355 ±10,234
Occupied	81.8% ±4.6	89.5% ±0.4	89.9% ±0.1
Vacant	18.2% ±4.6	10.5% ±0.4	10.1% ±0.1
Owner occupied	68.4% ±3.6	68.6% ±0.5	65.2% ±0.3
Renter occupied	31.6% ±6.0	31.4% ±0.5	34.8% ±0.1
Median home value	$132,900 ±$24,168	$257,400 ±$3,051	$332,700 ±$236
Median gross rent	$820 ±$145	$946 ±$11	$1,413 ±$2
Median year built	1969 ±5	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 Tripp County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	South Dakota	United States
Hispanic or Latino	25 to 189	0.4% to 3.4%	4.8% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	4,485 ±21	79.9% ±0.4	79.8% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 92	0% to 1.6%	2.1% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 67	0% to 1.2%	1.4% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	770 ±154	13.7% ±2.7	7.1% ±0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 15	0% to 0.3%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 13	0% to 0.2%	0.3% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	83 to 267	1.5% to 4.8%	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 Tripp County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	South Dakota	United States
Born in the state	4,341 ±194	77.4% ±3.5	62.4% ±0.4	57.3% ±<0.1
Born in another state	1,172 ±181	20.9% ±3.2	32.9% ±0.4	26.9% ±<0.1
Born a citizen outside the states	0 to 6	0% to 0.1%	0.7% ±0.1	1.7% ±<0.1
Born abroad	37 to 155	0.7% to 2.8%	4.0% ±0.2	14.1% ±<0.1
Naturalized citizens	0 to 95	0% to 1.7%	1.7% ±0.1	7.4% ±<0.1
Not citizens	16 to 84	0.3% to 1.5%	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%.

Tripp County among the counties of South Dakota

31st of 66 by population, July 2025. Every one is listed on the South Dakota page.

Counties of South Dakota near Tripp County in population, July 2025
County	July 2025	Change since 2020
Bon Homme County	7,244	+3.8%
Hamlin County	6,900	+11.8%
Moody County	6,632	+4.5%
Spink County	6,155	−3.0%
McCook County	5,964	+5.2%
Tripp County	5,708	+1.8%
Day County	5,484	+0.8%
Dewey County	5,419	+3.8%
Kingsbury County	5,284	+1.6%
Brule County	5,278	+0.5%
Walworth County	5,217	−1.4%

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