Rapid City

County:: Pennington County
County Seat:: No
Area (mi²):: 55.067
State:: South Dakota

Rapid City is a city located in Pennington County, South Dakota. Rapid City has a 2025 population of 82,388. Rapid City is currently growing at a rate of 1.84% annually and its population has increased by 9.96% since the most recent census, which recorded a population of 74,928 in 2020.

The average household income in Rapid City is $92,347 with a poverty rate of 13.26%. The median age in Rapid City is 39 years: 37.4 years for males, and 40.1 years for females.

Demographics

The racial composition of Rapid City includes 78.28% White, 8.05% Native American, and smaller percentages for Black or African American, Asian, other race, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Native American

Black or African American

Asian

Other race

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	60,144	78.28%
Two or more races	7,548	9.82%
Native American	6,186	8.05%
Black or African American	1,211	1.58%
Asian	982	1.28%
Other race	744	0.97%
Native Hawaiian or Pacific Islander	21	0.03%

Rapid City Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rapid City's average per capita income is $43,827. Household income levels show a median of $65,712. The poverty rate stands at 13.26%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$102,508	$134,869
Families	$87,873	$118,735
Households	$65,712	$92,347
Non Families	$38,920	$56,956

$43,827

Average Income

$65,712

Median Household Income

13.26%

Poverty Rate