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Rapid Valley, South Dakota facts for kids

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Rapid Valley, South Dakota
The Black Hills Speedway, located on Jolly Lane in Rapid Valley.
The Black Hills Speedway, located on Jolly Lane in Rapid Valley.
Location in Pennington County and the state of South Dakota
Location in Pennington County and the state of South Dakota
Country United States
State South Dakota
County Pennington
 • Total 10.1 sq mi (26.3 km2)
 • Land 10.1 sq mi (26.3 km2)
 • Water 0 sq mi (0 km2)
3,156 ft (962 m)
 • Total 8,098
 • Density 817.8/sq mi (314.1/km2)
Time zone UTC−7 (Mountain (MST))
 • Summer (DST) UTC−6 (MDT)
Area code(s) 605
FIPS code 46-53007
GNIS feature ID 1259251

Rapid Valley is a census-designated place (CDP) and unincorporated community in Pennington County, South Dakota, United States, and a suburb of Rapid City. The population was 8,098 at the 2020 census. Rapid Valley has been a retreat for people living in Rapid City due to its low crime, cheap land, and views of the Black Hills. Rapid Valley is home to many industrial and financial businesses, and is the headquarters for many corporations specializing in transport and engineering.


Rapid Valley is located at 44°3′55″N 103°8′51″W / 44.06528°N 103.14750°W / 44.06528; -103.14750 (44.065296, -103.147427).

According to the United States Census Bureau, the CDP has a total area of 10.1 square miles (26.3 km²), all of it land. Rapid Valley is considered an unincorporated suburb of Rapid City, and is located 5 minutes east of Rapid City on the prairie. Many industrial-economic companies headquarter in Rapid Valley.


Historical population
Census Pop.
1980 3,265
1990 5,968 82.8%
2000 7,043 18.0%
2010 8,260 17.3%
2020 8,098 −2.0%
U.S. Decennial Census

At the 2000 census there were 7,043 people, 2,436 households, and 1,914 families in the CDP. The population density was 694.0 people per square mile (267.9/km2). There were 2,493 housing units at an average density of 245.7 per square mile (94.8/km2). The racial makeup of the CDP was 90.69% White, 0.62% African American, 4.00% Native American, 0.53% Asian, 0.10% Pacific Islander, 0.40% from other races, and 3.66% from two or more races. Hispanic or Latino of any race were 2.51%.

Of the 2,436 households 47.2% had children under the age of 18 living with them, 60.7% were married couples living together, 13.3% had a female householder with no husband present, and 21.4% were non-families. 16.1% of households were one person and 3.5% were one person aged 65 or older. The average household size was 2.89 and the average family size was 3.23.

The age distribution was 33.1% under the age of 18, 8.9% from 18 to 24, 34.6% from 25 to 44, 18.1% from 45 to 64, and 5.3% 65 or older. The median age was 30 years. For every 100 females, there were 101.7 males. For every 100 females age 18 and over, there were 97.0 males.

The median household income was $39,816 and the median family income was $42,956. Males had a median income of $29,170 versus $20,792 for females. The per capita income for the CDP was $14,841. About 5.8% of families and 8.7% of the population were below the poverty line, including 11.8% of those under age 18 and 3.1% of those age 65 or over.

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