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World Population Review
Custer County, South Dakota Population 2021
Custer County, South Dakota's estimated population is 9,292 with a growth rate of 1.75% in the past year according to the most recent United States census data. Custer County, South Dakota is the 22nd largest county in South Dakota. The 2010 Population was 8,275 and has seen a growth of 12.29% since this time.
Note: 2020 and 2021 data is projected
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 9,292 | 160 | 1.75% |
| 2020 | 9,132 | 160 | 1.78% |
| 2019 | 8,972 | 160 | 1.82% |
| 2018 | 8,812 | 49 | 0.56% |
| 2017 | 8,763 | 157 | 1.82% |
| 2016 | 8,606 | 162 | 1.92% |
| 2015 | 8,444 | 16 | 0.19% |
| 2014 | 8,428 | 24 | 0.29% |
| 2013 | 8,404 | 89 | 1.07% |
| 2012 | 8,315 | -31 | -0.37% |
| 2011 | 8,346 | 71 | 0.86% |
| 2010 | 8,275 | 2,096 | 33.92% |
| 1990 | 6,179 | 179 | 2.98% |
| 1980 | 6,000 | 1,302 | 27.71% |
| 1970 | 4,698 | -208 | -4.24% |
| 1960 | 4,906 | -611 | -11.07% |
| 1950 | 5,517 | -506 | -8.40% |
| 1940 | 6,023 | 670 | 12.52% |
| 1930 | 5,353 | 1,446 | 37.01% |
| 1920 | 3,907 | -551 | -12.36% |
| 1910 | 4,458 | 1,730 | 63.42% |
| 1900 | 2,728 | -2,163 | -44.22% |
| 1890 | 4,891 | 3,896 | 391.56% |
| 1880 | 995 | 0.00% |
2021 Growth Rate
1.75%
County Website
State
Founded
1877
County Seat
Lat./Long.
2010 Population
8,275
Growth Since 2010
12.29%
Custer County, South Dakota Population Growth
| Race | Population | Percentage |
|---|---|---|
| White | 8,131 | 93.26% |
| American Indian and Alaska Native | 352 | 4.04% |
| Two or More Races | 168 | 1.93% |
| Asian | 30 | 0.34% |
| Black or African American | 22 | 0.25% |
| Some Other Race | 16 | 0.18% |
Custer County, South Dakota Population by Race
Custer County, South Dakota Population Pyramid $2021
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Custer County, South Dakota Population by Age
Custer County, South Dakota Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 3,876 | 2.15 | 84 |
| Married | 2,465 | 2.42 | 93.2 |
| Non Family | 1,002 | 1.25 | 73.7 |
| Female | 301 | 2.81 | 62.1 |
| Male | 108 | 2.44 | 30.6 |
2.44
Average Family Size
2.15
Average Household Size
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Custer County, South Dakota Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 169 | 2.45% |
| 9th to 12th Grade | 272 | 3.94% |
| High School Graduate | 2,412 | 34.95% |
| Some College | 1,672 | 24.23% |
| Associates Degree | 753 | 10.91% |
| Bachelors Degree | 1,087 | 15.75% |
| Graduate Degree | 536 | 7.77% |
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Custer County, South Dakota Educational Attainment by Sex (over 25)
Custer County, South Dakota Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 6,434 | 6,091 | 1,548 |
| Hispanic | 220 | 158 | 12 |
| Native American | 168 | 135 | 43 |
| 2+ Races | 63 | 63 | 7 |
| Asian | 28 | 28 | 13 |
| Other Race | 16 | 16 | |
| Black | 7 | 4 |
The highest rate of high school graduation is among asian people with a rate of 100.00%.
The highest rate of bachelors degrees is among asian people with a rate of 46.43%.
Custer County, South Dakota Educational Attainment by Race
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$32,181
Average Earnings
$45,912
Average Male
$25,795
Average Female
Custer County, South Dakota Earnings by Educational Attainment
Custer County, South Dakota Language by Age
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Custer County, South Dakota Language
95.38% of Custer County, South Dakota residents speak only English, while 4.62% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.95% of the population.
Custer County, South Dakota Language
Custer County, South Dakota Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 7,641 | 812 | 10.63% |
| Hispanic | 336 | 183 | 54.46% |
| Native | 280 | 111 | 39.64% |
| Multiple | 154 | 57 | 37.01% |
| Black | 18 | 1 | 5.56% |
13.80%
Overall Poverty Rate
10.64%
Male Poverty Rate
16.81%
Female Poverty Rate
Poverty in Custer County, South Dakota
The race most likely to be in poverty in Custer County, South Dakota is Hispanic, with 54.46% below the poverty level.
The race least likely to be in poverty in Custer County, South Dakota is Black, with 5.56% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.84%. Among those working part-time, it was 17.48%, and for those that did not work, the poverty rate was 17.00%.
Custer County, South Dakota Poverty
Custer County, South Dakota Poverty Rate by Education
Custer County, South Dakota Marital Status
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Marriage Rates
67.0%
Overall Marriage Rate
69.9%
Male Marriage Rate
64.3%
Female Marriage Rate
Custer County, South Dakota Married by Age and Sex
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Custer County, South Dakota Marriage
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 55-64.
Custer County, South Dakota Marital Status by Race
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Custer County, South Dakota Marital Status
Custer County, South Dakota Veterans by War
Custer County, South Dakota Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 1,142 | 16.37% |
| Hispanic | 39 | 17.33% |
| Native American | 19 | 8.44% |
| Other Race | 10 | 62.50% |
| 2+ Races | 6 | 9.09% |
| Asian | 3 | 10.00% |
| Black | 2 | 20.00% |
Custer County, South Dakota Veterans by Race
Custer County, South Dakota Veterans by Education
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7.49%
Veteran Poverty Rate
44.26%
Veteran Disability Rate
Custer County, South Dakota Veterans by Education
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55.1%
Labor Force Participation
53.1%
Employment Rate
3.4%
Unemployment Rate
Custer County, South Dakota Employment by Age
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Custer County, South Dakota Employment by Race
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Custer County, South Dakota Employment by Education
Origin of Non-Citizens
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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Origin of Naturalized Citizens
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96.81%
Native Born
3.19%
Foreign Born
1.65%
Non Citizen
1.54%
Naturalized
Place of Birth
96.81% of Custer County, South Dakota residents were born in the United States, with 44.51% having been born in South Dakota. 1.65% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Custer County, South Dakota Place of Birth
- US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- Population of States and Counties of the United States: 1790 - 1990