Pennington County, South Dakota

14 cities & places have their primary county here.

Population: 112,081
Median household income: $70,768
Median home value: $270,400

Pennington County is a county in South Dakota with a population of 112,081. 14 cities and places have their primary county here. Its median household income of $70,768 runs in line with the South Dakota figure of $72,421.

Between 2019 and 2023, Pennington County's population grew 1.3% from 110,685 to 112,081, while its median household income rose 24.1% from $57,039 to $70,768.

The median resident is 39.7 years old. The largest age group is 5 to 17, 16.2% of residents.

Demographics

ACS 2019–2023

Population: 112,081
Median age: 39.7 yrs
Median household income: $70,768
Median home value: $270,400
Median gross rent: $1,066
Housing units: 50,655
Homeownership rate: 69.1%
Bachelor's degree or higher: 34.1%
Unemployment rate: 3.3%

Trends

ACS 5-year · 2019–2023

Population

110,685112,081

Median household income

$57,039$70,768

Median home value

$187,800$270,400

Median gross rent

$842$1,066

Year	Population	Median household income	Median home value	Median gross rent
2019	110,685	$57,039	$187,800	$842
2020	112,504	$58,278	$197,200	$859
2021	108,707	$62,546	$210,900	$911
2022	110,386	$67,823	$247,800	$996
2023	112,081	$70,768	$270,400	$1,066

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 56.0%

5 to 1716.2%

18 to 248.4%

25 to 3413.0%

35 to 4411.8%

45 to 5410.7%

55 to 6414.3%

65 to 7412.5%

75 and over7.1%

	Count	Share
Under 5	6,765	6.0%
5 to 17	18,154	16.2%
18 to 24	9,409	8.4%
25 to 34	14,569	13.0%
35 to 44	13,194	11.8%
45 to 54	12,006	10.7%
55 to 64	15,991	14.3%
65 to 74	14,039	12.5%
75 and over	7,954	7.1%

Race & ethnicity

	Count	Share
White (non-Hispanic)	87,778	78.3%
Black or African American	1,397	1.2%
American Indian & Alaska Native	7,079	6.3%
Asian	1,231	1.1%
Native Hawaiian & Pacific Islander	25	0.0%
Some other race	780	0.7%
Two or more races	7,626	6.8%
Hispanic or Latino (any race)	6,165	5.5%

Educational attainment (age 25+)

No high school diploma5.3%

High school graduate27.1%

Some college or associate's33.6%

Bachelor's degree21.8%

Graduate or professional degree12.3%

	Count	Share
No high school diploma	4,135	5.3%
High school graduate	21,044	27.1%
Some college or associate's	26,095	33.6%
Bachelor's degree	16,951	21.8%
Graduate or professional degree	9,528	12.3%

Commute to work

Mean travel time to work: 19 min

Drove alone77.6%

Carpooled8.7%

Public transit0.2%

Walked1.6%

Bicycle0.7%

Worked from home9.8%

Other means1.3%

How workers get to work

	Count	Share
Drove alone	42,929	77.6%
Carpooled	4,817	8.7%
Public transit	134	0.2%
Walked	898	1.6%
Bicycle	397	0.7%
Worked from home	5,409	9.8%
Other means	713	1.3%

Travel time

	Count	Share
Under 15 min	19,345	38.8%
15 to 29 min	22,988	46.1%
30 to 44 min	4,487	9.0%
45 to 59 min	1,369	2.7%
60+ min	1,699	3.4%

Households

Average household size: 2.37
Poverty rate: 12.0% (13,073 of 108,556)

	Count	Share
Family households	27,117	59.3%
Nonfamily households	18,581	40.7%

Housing

Median year structure built: 1982

Occupancy

	Count	Share
Occupied	45,698	90.2%
Vacant	4,957	9.8%

Tenure (of occupied units)

	Count	Share
Owner-occupied	31,568	69.1%
Renter-occupied	14,130	30.9%

1-unit, detached62.3%

1-unit, attached5.8%

2 to 4 units5.2%

5 to 19 units9.5%

20 or more units7.5%

Mobile home & other9.7%

Units in structure

	Count	Share
1-unit, detached	31,552	62.3%
1-unit, attached	2,941	5.8%
2 to 4 units	2,653	5.2%
5 to 19 units	4,787	9.5%
20 or more units	3,784	7.5%
Mobile home & other	4,938	9.7%

Geography

County GEOID: 46103
State: South Dakota
Land area: 2,777 sq mi
Water area: 7.69 sq mi
Center point: 44.0023, -102.8238