Pennington County, South Dakota Population 2018

Pennington County, South Dakota's estimated population is 110,141 with a growth rate of 2.65% in the past year according to the most recent United States census data. Pennington County, South Dakota is the 2nd largest county in South Dakota.

Year Population Growth Growth Rate
2017110,1412,8432.65%
2016107,298-1,605-1.47%
2016108,9037960.74%
2015108,1075640.52%
2014107,5431,6091.52%
2013105,9341,7521.68%
2012104,1821,8001.76%
2011102,3821,1401.13%
2010101,24219,89924.46%
199081,34310,98215.61%
198070,36111,01218.55%
197059,3491,1541.98%
196058,19524,14270.90%
195034,05310,25443.09%
194023,7993,72018.53%
193020,0797,35957.85%
192012,7202672.14%
191012,4536,843121.98%
19005,610-930-14.22%
18906,5404,296191.44%
18802,2440.00%

Pennington County, South Dakota Population Growth

Population Data via

Population by Race

Race Population
White89,293
American Indian and Alaska Native9,292
Two or More Races5,499
Black or African American1,385
Asian1,187
Some Other Race602
Native Hawaiian and Other Pacific Islander40

Race Data via US Census (2016 ACS 5-Year Survey)

Pennington County, South Dakota Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Pennington County, South Dakota Median Age

37.5


Total

36.3


Male

38.9


Female

Pennington County, South Dakota Adults

There are 81,761 adults, (16,524 of which are seniors) in Pennington County, South Dakota.

Pennington County, South Dakota Age Dependency

64.3

Age Dependency Ratio

25.3

Old Age Dependency Ratio

39.1

Child Dependency Ratio

Pennington County, South Dakota Sex Ratio

Female

53,369

49.74%

Male

53,929

50.26%

Pennington County, South Dakota Households and Families

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

Pennington County, South Dakota Household Types

Type Owner Renter
Married85%15%
All67.4%32.6%
Male56%44%
Non Family51.9%48.1%
Female46.2%53.8%

67.4%

Rate of Home Ownership

Pennington County, South Dakota Households by Type

Type Count Average Size Owned
All42,2252.4667.4
Married20,3103.0385
Non Family15,3971.2851.9
Female4,6063.3346.2
Male1,9123.7856

3.04

Average Family Size

2.46

Average Household Size

6.4%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Pennington County, South Dakota Households

Pennington County, South Dakota Education

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

Education Attained Count Percentage
Less Than 9th Grade1,5892.20%
9th to 12th Grade3,6094.99%
High School Graduate20,12627.84%
Some College18,38425.43%
Associates Degree7,67810.62%
Bachelors Degree13,90319.23%
Graduate Degree7,0139.70%

Pennington County, South Dakota Educational Attainment by Race

Name Total High School Bachelors
White62,25158,56019,160
Native American4,7093,846691
Hispanic2,2441,985495
Multiple Races1,9841,785273
Black831755188
Asian807622276
Other Race44836415
Islander2423

The highest rate of high school graduation is among islander people with a rate of 95.83%.

The highest rate of bachelors degrees is among islander people with a rate of 34.20%.

Pennington County, South Dakota Earnings by Educational Attainment

Name Average Male Female
Overall$31,279$38,242$26,125
Less Than High School$16,221$17,853$11,021
High School Grad$26,886$31,399$22,706
Some College$30,180$39,353$23,163
Bachelors Degree$39,290$49,935$31,928
Graduate Degree$51,905$62,622$42,791

$31,279

Average Earnings

$38,242

Average Male

$26,125

Average Female

Pennington County, South Dakota Language

Pennington County, South Dakota Language by Age

Pennington County, South Dakota Language

95.97% of Pennington County, South Dakota residents speak only English, while 4.03% speak other languages. The largest non-English language is Spanish, which is spoken by 1.38% of the population.

Pennington County, South Dakota Poverty

Pennington County, South Dakota Poverty by Race

Name Total In Poverty Poverty Rate
White84,8077,9219.34%
Native8,4004,27950.94%
Multiple5,4091,18521.91%
Hispanic5,0181,02020.33%
Black1,33137227.95%
Asian1,17815813.41%
Other6026410.63%

13.78%

Overall Poverty Rate

12.33%

Male Poverty Rate

15.22%

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 50.94% below the poverty level.

The race least likely to be in poverty in Pennington County, South Dakota is White, with 9.34% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.26%. Among those working part-time, it was 19.60%, and for those that did not work, the poverty rate was 18.98%.

Pennington County, South Dakota Poverty Rate by Education

Name Poverty
Less Than High School21.51%
High School13.09%
Some College10.21%
Bachelors or Greater4.32%

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

Name Poverty
Female Unemployed42.80%
Male Unemployed28.97%
Female Employed8.82%
Male Employed6.07%

Pennington County, South Dakota Income

Pennington County, South Dakota Income by Household Type

Name Median Mean
Households$51,084$68,337
Families$64,835$82,384
Married Families$75,971$96,317
Non Families$32,772$40,903

Pennington County, South Dakota Marital Status

Pennington County, South Dakota Marital Status

Marriage Rates

49.7%

Overall Marriage Rate

49.3%

Male Marriage Rate

50.1%

Female Marriage Rate

Pennington County, South Dakota Married by Age and Sex

Pennington County, South Dakota Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 45To54.

Pennington County, South Dakota Marital Status by Race

Pennington County, South Dakota Veterans

Pennington County, South Dakota Veterans by War

11,511

Number of Veterans

10,144

Male Veterans

1,367

Female Veterans

Name Veterans
Vietnam4,103
First Gulf War3,384
Second Gulf War2,557
Korea1,090
World War II479

Pennington County, South Dakota Veterans by Age

Name Veterans
35 to 543,244
65 to 742,608
55 to 642,226
75+2,157
18 to 341,276

Pennington County, South Dakota Veterans by Race

Name Veterans % of Total
White10,03814.32%
Indian64411.54%
2 or More43615.97%
Hispanic37613.53%
Black34432.58%
Asian252.75%
Other234.95%
Hawaiian13.70%

Pennington County, South Dakota Veterans by Education

7.18%

Veteran Poverty Rate

27.54%

Veteran Disability Rate

Pennington County, South Dakota Employment Status

Pennington County, South Dakota Employment by Age

68.1%

Labor Force Participation

63.8%

Employment Rate

4.8%

Unemployment Rate

Pennington County, South Dakota Employment by Race

Pennington County, South Dakota Employment by Education

Population of Cities in Pennington County, South Dakota

City 2010 Census 2016 Estimated Growth Growth Rate
Rapid City684467404856028.18%
Box Elder 78159348153319.62%
Hill City9451008636.67%
Wall76687210613.84%
New Underwood66066881.21%
Keystone33734030.89%
Wasta808222.50%
Quinn565711.79%
Data Sources
  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