Rapid City Flag

Rapid City

County Seat:
Yes
Area (mi²):
55.987
State:
South Dakota

Rapid City is a city located in Pennington County, South Dakota. Rapid City has a 2026 population of 82,369. It is also the county seat of Pennington County. Rapid City is currently growing at a rate of 1.53% annually and its population has increased by 9.91% since the most recent census, which recorded a population of 74,943 in 2020.

The median household income in Rapid City is $70,870 with a poverty rate of 12.51%. The median age in Rapid City is 39.1 years: 37.5 years for males, and 40.2 years for females. For every 100 females there are 103.7 males.

82.4K
Total Population
1,471
Density (mi²)
1.2K 1.53%
Growth

Rapid City Population

Rapid City Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202682,3691,2381.53%
202581,1311,2371.55%
202479,8945180.65%
202379,3766740.86%
202278,7021,9332.52%
202176,7691,8262.44%
202074,9432130.29%
201977,9141,5512.03%
201876,3631,0181.35%
201775,3451,1591.56%
201674,1867521.02%
201573,4343920.54%
201473,0421,2741.78%
201371,7681,0111.43%
201270,7571,1671.68%
201169,5904520.65%
201069,1381,1821.74%
200059,6075,0849.32%
199054,5238,03117.27%
198046,4922,6566.06%
197043,8361,4373.39%
196042,39917,08967.52%
195025,31011,46682.82%
194013,8443,44033.06%
193010,4044,62780.09%
19205,7771,92349.9%
19103,8542,554196.46%
19001,30000%

Median Age

Overall: 39.1 years
Female: 40.2 years
Male: 37.5 years

Rapid City Adults

There are 60,824 adults, (16,108 of whom are seniors) in Rapid City.

Sex Ratio

Female: 38,257 (49.1%)
Male: 39,689 (50.9%)

Demographics

The racial composition of Rapid City includes 77.5% White, 7.74% Native American, and smaller percentages for other race, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White60,40777.5%
Two or more races8,40910.79%
Native American6,0327.74%
Other race1,0921.4%
Asian1,0311.32%
Black or African American9551.23%
Native Hawaiian or Pacific Islander200.03%
Race
Population ↓
Percentage (of total)
Two or more races2,6483.4%
White9471.21%
Other race6140.79%
Native American5360.69%
Race
Population ↓
Percentage (of total)
White59,46076.28%
Two or more races5,7617.39%
Native American5,4967.05%
Asian1,0311.32%
Black or African American9551.23%
Other race4780.61%
Native Hawaiian or Pacific Islander200.03%

Rapid City Marital Status

Economics and Income Statistics

Rapid City 's average per capita income is $47,961. Household income levels show a median of $70,870. The poverty rate stands at 12.51%.

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$107,985$143,052
Families$91,802$125,450
Households$70,870$96,820
Non Families$43,914$56,948

$47,961

Average Income

$70,870

Median Household Income

12.51%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)