Pennington County, South Dakota Population 2022

Pennington County, South Dakota's estimated population is 119,250 with a growth rate of 1.55% in the past year according to the most recent United States census data. Pennington County, South Dakota is the 3rd largest county in South Dakota. The 2010 Population was 101,243 and has seen a growth of 17.79% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18802,2440.00%
18906,5404,296191.44%
19005,610-930-14.22%
191012,4536,843121.98%
192012,7202672.14%
193020,0797,35957.85%
194023,7993,72018.53%
195034,05310,25443.09%
196058,19524,14270.90%
197059,3491,1541.98%
198070,36111,01218.55%
199081,34310,98215.61%
2010101,24319,90024.46%
2011102,4041,1611.15%
2012104,2321,8281.79%
2013105,9191,6871.62%
2014107,5101,5911.50%
2015108,0885780.54%
2016109,1111,0230.95%
2017110,5031,3921.28%
2018111,9501,4471.31%
2019113,7751,8251.63%
2020115,6001,8251.60%
2021117,4251,8251.58%
2022119,2501,8251.55%
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Pennington County, South Dakota Population Growth

Population by Race

Race Population Percentage
White92,29282.03%
Black or African American1,5841.41%
American Indian and Alaska Native9,2458.22%
Asian1,4951.33%
Native Hawaiian and Other Pacific Islander1590.14%
Some Other Race8460.75%
Two or More Races6,8836.12%
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Pennington County, South Dakota Population by Race

Pennington County, South Dakota Population Pyramid 2022

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Pennington County, South Dakota Median Age

38.8


Total

37.9


Male

40.2


Female

Pennington County, South Dakota Adults

There are 86,568 adults, (20,307 of whom are seniors) in Pennington County, South Dakota.

Pennington County, South Dakota Age Dependency

Age Dependency Ratio

30.6

Old Age Dependency Ratio

39.1

Child Dependency Ratio

Pennington County, South Dakota Sex Ratio

Female

55,630

49.45%

Male

56,874

50.55%

Pennington County, South Dakota Population by Age

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

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Pennington County, South Dakota Household Types

Type Owner Renter
Married88%12%
Male71.2%28.8%
All68.9%31.1%
Non Family51.7%48.3%
Female46.6%53.4%

68.9%

Rate of Home Ownership

Pennington County, South Dakota Households and Families

Type Count Average Size Owned
All43,9472.4768.9
Married20,6383.0188
Male1,6513.6271.2
Female4,6323.7346.6
Non Family17,0261.3651.7

3.07

Average Family Size

2.47

Average Household Size

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Pennington County, South Dakota Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,5442.00%
9th to 12th Grade3,4264.43%
High School Graduate22,39528.99%
Some College17,44822.59%
Associates Degree7,95910.30%
Bachelors Degree15,83420.50%
Graduate Degree8,64511.19%
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Pennington County, South Dakota Educational Attainment by Sex (over 25)

Pennington County, South Dakota Educational Attainment by Race

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Race Total High School Bachelors
Asian932820445
White65,92162,80022,316
Other Race37628292
Hispanic2,6052,140609
2+ Races2,8832,722666
Native American4,7383,628599
Black942900102
Islander1019910

The highest rate of high school graduation is among islander people with a rate of 98.02%.

The highest rate of bachelors degrees is among asian people with a rate of 47.75%.

Pennington County, South Dakota Educational Attainment by Race

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Name Average Male Female
Overall$34,854$41,539$30,758
Less Than 9th Grade$20,259$27,797$10,493
High School Graduate$29,656$32,922$25,685
Some College$32,390$40,344$29,640
Bachelors Degree$45,027$53,691$36,744
Graduate Degree$63,331$82,908$53,627

$34,854

Average Earnings

$41,539

Average Male

$30,758

Average Female

Pennington County, South Dakota Earnings by Educational Attainment

Pennington County, South Dakota Language by Age

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Pennington County, South Dakota Language

95.82% of Pennington County, South Dakota residents speak only English, while 4.18% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.43% of the population.

Pennington County, South Dakota Language

Pennington County, South Dakota Poverty by Race

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Name Total In Poverty Poverty Rate
Native8,4094,80157.09%
Black1,49641727.87%
Multiple6,7621,79826.59%
Hispanic5,9701,54525.88%
Islander1593018.87%
Asian1,46324917.02%
White87,5377,7548.86%
Other9NaN%

13.98%

Overall Poverty Rate

12.14%

Male Poverty Rate

15.84%

Female Poverty Rate

Poverty in Pennington County, South Dakota

The race most likely to be in poverty in Pennington County, South Dakota is Native, with 57.09% below the poverty level.

The race least likely to be in poverty in Pennington County, South Dakota is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.93%. Among those working part-time, it was 20.12%, and for those that did not work, the poverty rate was 21.46%.

Pennington County, South Dakota Poverty

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Name Poverty
Less Than 9th Grade35.80%
High School14.16%
Some College10.51%
Bachelors or Greater3.54%

Pennington County, South Dakota Poverty Rate by Education

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Rate Poverty
Male Employed5.53%
Male Unemployed27.64%
Female Employed8.76%
Female Unemployed51.74%

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

Pennington County, South Dakota Income by Household Type

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Name Median Mean
Households$58,278$79,448
Families$74,120$97,069
Married Families$87,365$111,545
Non Families$34,668$49,034
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Income by Household Type

Pennington County, South Dakota Marital Status

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Marriage Rates

47.6%

Overall Marriage Rate

48.0%

Male Marriage Rate

47.1%

Female Marriage Rate

Pennington County, South Dakota Married by Age and Sex

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Pennington County, South Dakota Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Pennington County, South Dakota Marital Status by Race

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Pennington County, South Dakota Marital Status

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10,482

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War2,686
First Gulf War2,887
Vietnam3,694
Korea646
World War II216

Pennington County, South Dakota Veterans by War

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Age Group Veterans
18 to 34908
35 to 542,398
55 to 642,056
65 to 742,906
75+2,214

Pennington County, South Dakota Veterans by Age

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Name Veterans % of Total
White9,39412.75%
Black23521.94%
Native American3506.44%
Asian413.76%
Islander21.98%
Other Race6013.79%
2+ Races40010.07%
Hispanic33410.35%

Pennington County, South Dakota Veterans by Race

Pennington County, South Dakota Veterans by Education

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7.47%

Veteran Poverty Rate

29.60%

Veteran Disability Rate

Pennington County, South Dakota Veterans by Education

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65.5%

Labor Force Participation

62%

Employment Rate

4.1%

Unemployment Rate

Pennington County, South Dakota Employment by Age

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Pennington County, South Dakota Employment by Race

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Pennington 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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57.41%

Born in Pennington County, South Dakota

97.52%

Native Born

2.48%

Foreign Born

1.24%

Non Citizen

1.24%

Naturalized

Place of Birth

97.52% of Pennington County, South Dakota residents were born in the United States, with 57.41% having been born in South Dakota. 1.24% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Pennington 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