Rapid City, SD Profile: Facts, Map & Data


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Rapid City, South Dakota - Basic Facts

The City of Rapid City is the 2nd largest city in South Dakota with a population of 74,472 as of July 1, 2016. Rapid City ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in South Dakota. See peer rankings below.

The primary coordinate point for Rapid City is located at latitude 44.0711 and longitude -103.2179 in Pennington County. The formal boundaries for the City of Rapid City (see map below) encompass a land area of 55.44 sq. miles and a water area of 0.08 sq. miles. Pennington County is in the Mountain time zone (GMT -7). The elevation is 3,241 feet.

The City of Rapid City (GNIS ID: 1267543) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Rapid City population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Rapid City: Hay Camp, Rapid.

Neighborhood Data

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City of Rapid City, SD Boundary Map

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Rapid City, SD Data & Demographics (As of July 1, 2016)


Total Population 74,472
Population in Households 72,046
Population in Familes 53,758
Population in Group Qrtrs 2,426
Population Density1 1,343
Diversity Index2 43


Total Households 31,358
Average Household Size 2.3
Family Households 18,403
Average Family Size 3


Total Housing Units 33,013 (100%)
Owner Occupied HU 17,895 (54.2%)
Renter Occupied HU 13,463 (40.8%)
Vacant Housing Units 1,655 ( 5.0%)
Median Home Value $170,387
Average Home Value $201,965


Median Household Income $45,725
Average Household Income $64,103
Per Capita Income $27,673
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.47% 1.58%
Households 1.49% 1.61%
Families 1.32% 1.44%
Median Household Income   2.97%
Per Capita Income   1.99%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Rapid City, SD - Peer Comparisons by Rank and Percentile

The table below compares Rapid City to the other 391 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 2 100th
Population Density1 # 44 89th
Diversity Index2 # 43 90th
Median Household Income # 228 42nd
Per Capita Income # 153 61st

Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.

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