| Official Name: | Rapid City, SD Metropolitan Statistical Area |
| Settlement Type: | Metropolitan Statistical Area |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Dakota |
| Subdivision Type2: | Largest city |
| Subdivision Name2: | Rapid City |
| Subdivision Type3: | Other cities |
| Subdivision Name3: | Box Elder Sturgis |
| Area Total Sq Mi: | 16,181 |
| Population As Of: | 2020 |
| Population Est: | 145159 |
| Pop Est As Of: | 2022 |
| Population Total: | 139074 |
| Population Density Km2: | 8.971 |
| Population Rank: | US: 279th |
| Timezone: | MST |
| Utc Offset: | -7 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -6 |
| Coordinates: | 44.0714°N -103.2208°W |
| Area Code: | 605 |
The Rapid City, SD metropolitan area, as defined by the United States Census Bureau. Anchored by the city of Rapid City, the area corresponds to the entirety of Pennington and Meade counties in the state of South Dakota, though the Rapid City market area extends well beyond those counties and into Nebraska, Montana, Wyoming, and North Dakota. The population was 139,074 at the 2020 census. According to 2022 census estimates, the MSA is estimated to have a population of 145,159.[1]
As of the 2020 census, there were 139,074 people and 58,790 households in the MSA.
The ethnic makeup of the MSA, according to the 2010 census, was the following:
As of the 2010 census, there were 126,382 people, 51,154 households, and 33,390 families residing in the MSA. The population density was 20.2 people per square mile (7.8/km2). There were 55,949 housing units at an average density of 8.9 per square mile (3.4/km2). 27.9% were of German, 7.2% Irish, 6.7% Norwegian, and 5.2% English ancestry.
There were 51,154 households, out of which 32.0% had children under the age of 18 living with them, 49.2% were married couples living together, 11.2% had a female householder with no husband present, and 34.7% were non-families. 28.0% of all households were made up of individuals, and 9.4% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.93.
As of the 2000 census, there were 112,818 people, 43,446 households, and 29,978 families residing within the MSA. The racial makeup of the MSA was 87.98% White, 0.99% African American, 6.79% Native American, 0.82% Asian, 0.06% Pacific Islander, 0.67% from other races, and 2.69% from two or more races. Hispanic or Latino of any race were 2.53% of the population.
The median income for a household in the MSA was $37,239, and the median income for a family was $42,667. Males had a median income of $28,590 versus $21,029 for females. The per capita income for the MSA was $18,309.