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
20219,2921601.75%
20209,1321601.78%
20198,9721601.82%
20188,812490.56%
20178,7631571.82%
20168,6061621.92%
20158,444160.19%
20148,428240.29%
20138,404891.07%
20128,315-31-0.37%
20118,346710.86%
20108,2752,09633.92%
19906,1791792.98%
19806,0001,30227.71%
19704,698-208-4.24%
19604,906-611-11.07%
19505,517-506-8.40%
19406,02367012.52%
19305,3531,44637.01%
19203,907-551-12.36%
19104,4581,73063.42%
19002,728-2,163-44.22%
18904,8913,896391.56%
18809950.00%
2021 Growth Rate
1.75%
County Website
Founded
1877
County Seat
2010 Population
8,275
Growth Since 2010
12.29%
map placeholder

Custer County, South Dakota Population Growth

Population by Race

Race Population Percentage
White8,13193.26%
American Indian and Alaska Native3524.04%
Two or More Races1681.93%
Asian300.34%
Black or African American220.25%
Some Other Race160.18%
Loading...

Custer County, South Dakota Population by Race

Custer County, South Dakota Population Pyramid $2021

Loading...

Custer County, South Dakota Median Age

54.8


Total

55


Male

54.6


Female

Custer County, South Dakota Adults

There are 7,331 adults, (2,527 of whom are seniors) in Custer County, South Dakota.

Custer County, South Dakota Age Dependency

81.5

Age Dependency Ratio

52.6

Old Age Dependency Ratio

28.9

Child Dependency Ratio

Custer County, South Dakota Sex Ratio

Female

4,486

51.45%

Male

4,233

48.55%

Custer County, South Dakota Population by Age

Custer County, South Dakota Renter vs Owner Occupied by Household Type

Loading...

Custer County, South Dakota Household Types

Type Owner Renter
Married93.2%6.8%
All84%16%
Non Family73.7%26.3%
Female62.1%37.9%
Male30.6%69.4%

84.0%

Rate of Home Ownership

Custer County, South Dakota Households and Families

Type Count Average Size Owned
All3,8762.1584
Married2,4652.4293.2
Non Family1,0021.2573.7
Female3012.8162.1
Male1082.4430.6

2.44

Average Family Size

2.15

Average Household Size

Loading...

Custer County, South Dakota Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade1692.45%
9th to 12th Grade2723.94%
High School Graduate2,41234.95%
Some College1,67224.23%
Associates Degree75310.91%
Bachelors Degree1,08715.75%
Graduate Degree5367.77%
Loading...

Custer County, South Dakota Educational Attainment by Sex (over 25)

Custer County, South Dakota Educational Attainment by Race

Loading...
Race Total High School Bachelors
White6,4346,0911,548
Hispanic22015812
Native American16813543
2+ Races63637
Asian282813
Other Race1616
Black74

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

Loading...
Name Average Male Female
Overall$32,181$45,912$25,795
Less Than 9th Grade$25,455$26,364$
High School Graduate$31,883$47,326$22,266
Some College$31,179$40,862$30,229
Bachelors Degree$42,903$63,365$27,596
Graduate Degree$52,727$71,167$50,625

$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

Loading...

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

Loading...
Name Total In Poverty Poverty Rate
White7,64181210.63%
Hispanic33618354.46%
Native28011139.64%
Multiple1545737.01%
Black1815.56%

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

Loading...
Name Poverty
Less Than 9th Grade30.57%
High School13.04%
Some College7.90%
Bachelors or Greater2.49%

Custer County, South Dakota Poverty Rate by Education

Loading...
Rate Poverty
Female Unemployed87.67%
Male Unemployed42.03%
Female Employed11.06%
Male Employed5.45%

Custer County, South Dakota Poverty Rate by Employment Status and Sex

Custer County, South Dakota Income by Household Type

Loading...
Name Median Mean
Households$58,522$73,793
Families$69,805$85,220
Married Families$76,285-
Non Families$35,000$40,471
Loading...

Income by Household Type

Custer County, South Dakota Marital Status

Loading...

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

Loading...

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

Loading...

Custer County, South Dakota Marital Status

Loading...

1,182

Number of Veterans

1,039

Male Veterans

143

Female Veterans

War Veterans
Vietnam586
First Gulf War267
Second Gulf War205
Korea58
World War II29

Custer County, South Dakota Veterans by War

Loading...
Age Group Veterans
65 to 74441
35 to 54247
75+213
55 to 64189
18 to 3492

Custer County, South Dakota Veterans by Age

Loading...
Name Veterans % of Total
White1,14216.37%
Hispanic3917.33%
Native American198.44%
Other Race1062.50%
2+ Races69.09%
Asian310.00%
Black220.00%

Custer County, South Dakota Veterans by Race

Custer County, South Dakota Veterans by Education

Loading...

7.49%

Veteran Poverty Rate

44.26%

Veteran Disability Rate

Custer County, South Dakota Veterans by Education

Loading...

55.1%

Labor Force Participation

53.1%

Employment Rate

3.4%

Unemployment Rate

Custer County, South Dakota Employment by Age

Loading...

Custer County, South Dakota Employment by Race

Loading...

Custer County, South Dakota Employment by Education

Origin of Non-Citizens

Loading...

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Loading...

44.51%

Born in Custer County, South Dakota

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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources