Rapid Valley

County:: Pennington County
County Seat:: No
Area (mi²):: 6.468
State:: South Dakota

Rapid Valley is a CDP located in Pennington County, South Dakota. Rapid Valley has a 2025 population of 7,090. Rapid Valley is currently declining at a rate of -1.09% annually and its population has decreased by -17.11% since the most recent census, which recorded a population of 8,553 in 2020.

The average household income in Rapid Valley is $89,376 with a poverty rate of 6.85%.The median age in Rapid Valley is 42.6 years: 38.6 years for males, and 45 years for females.

Demographics

The racial composition of Rapid Valley includes 78.44% White, 4.17% Native American, 3.45% other race, and smaller percentages for Asian, Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	5,611	78.44%
Two or more races	786	10.99%
Native American	298	4.17%
Other race	247	3.45%
Asian	138	1.93%
Black or African American	73	1.02%

Rapid Valley Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rapid Valley's average per capita income is $48,485. Household income levels show a median of $85,217. The poverty rate stands at 6.85%.

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	$104,719	-
Families	$99,579	$106,622
Households	$85,217	$89,376
Non Families	$56,250	$66,465

$48,485

Average Income

$85,217

Median Household Income

6.85%

Poverty Rate