Rapid City Population

1880–2026

81,888

2026 projection

9.3% since 2020 (increase)

020K40K60K80K100K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Rapid City. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202681,888+1,2991.61%
202580,589+4450.56%
202480,144+7240.91%
202379,420+6810.86%
202278,739+1,9402.53%
202176,799+1,8522.47%
202074,947-2,9673.81%
201977,914+1,5512.03%
201876,363+1,0181.35%
201775,345+1,1591.56%

Showing 10 of 30 years.

Rapid City Demographics

39.1median age

Median age

Female40.2 yrs
Male37.5 yrs

Adults

60,824
16,108 seniors · 26%44,716 other adults

Sex

Female 49.1% · 38,257Male 50.9% · 39,689

Population by age

MaleFemale85+ years, male: 61585+ years, female: 1,48480–84 years, male: 59080–84 years, female: 89275–79 years, male: 1,41675–79 years, female: 1,29670–74 years, male: 2,09670–74 years, female: 2,49265–69 years, male: 2,73665–69 years, female: 2,49160–64 years, male: 2,21460–64 years, female: 2,48255–59 years, male: 2,41755–59 years, female: 2,17050–54 years, male: 1,84950–54 years, female: 1,99245–49 years, male: 1,98745–49 years, female: 1,92440–44 years, male: 2,33840–44 years, female: 2,01135–39 years, male: 3,00035–39 years, female: 2,79530–34 years, male: 2,94130–34 years, female: 2,52025–29 years, male: 2,57925–29 years, female: 2,42220–24 years, male: 2,84120–24 years, female: 2,18115–19 years, male: 2,77715–19 years, female: 2,53610–14 years, male: 2,19910–14 years, female: 2,2585–9 years, male: 2,4675–9 years, female: 2,3040–4 years, male: 2,6270–4 years, female: 2,00785+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 779 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Rapid City Income

$70,870median household income

Median household income

$70,870

Half of households earn more, half earn less

Median earnings

$47,961

Typical yearly pay for a worker 25 or older.

Poverty rate

12.5%

About 1 in 8 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Rapid City Marital Status

44% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married44%45%43%
Never married34%39%29%
Divorced15%12%17%
Widowed7%3%10%
Separated1%1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year