ZIP codes
9
Pennington County, SD Demographics & ZIP Codes
Pennington County, South Dakota demographics and median household income by ZIP code — 9 ZIP codes — population 103,005 — avg. income $73,052 — avg. home value $271,888. Compare income, housing, and ZIP-level data on US5.
Population
103,005
Median household income (avg.)
$73,052
97% of U.S. median
Average home value
$271,888
78% of U.S. median
Average rent
$792
68% of U.S. median
Pennington County demographics
Pennington County, South Dakota covers 9 ZIP codes, with a combined ZIP-area population of about 103,005.
Median household income in Pennington County
The average median household income across ZIP codes in Pennington County, South Dakota is about $73,052 — about even with the SD ZIP average ($72,498), and about 3% below the U.S. median ($75,149).
Among ZIPs with income data, 57751 (Keystone) is near the top at about $100,714, while 57725 (Caputa) is near the bottom at about $34,784.
Housing in Pennington County
For housing in Pennington County, South Dakota, the average median home value is about $271,888 and the average median rent is about $792.
The most populous ZIP is 57701 (Rapid City) with about 45,221 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Pennington County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 57701 | Rapid City | Pennington County | SD | 45,221 | $52,733 | $229,900 |
| 57702 | Rapid City | Pennington County | SD | 35,771 | $85,700 | $341,400 |
| 57703 | Rapid City | Pennington County | SD | 17,543 | $84,495 | $250,300 |
| 57745 | Hill City | Pennington County | SD | 1,784 | $90,089 | $323,500 |
| 57790 | Wall | Pennington County | SD | 1,074 | $73,077 | $187,500 |
| 57751 | Keystone | Pennington County | SD | 996 | $100,714 | $388,300 |
| 57775 | Quinn | Pennington County | SD | 396 | $95,341 | $179,200 |
| 57725 | Caputa | Pennington County | SD | 136 | $34,784 | $275,000 |
| 57780 | — | Pennington County | SD | 84 | $40,536 | — |
Frequently asked questions
What are the demographics of Pennington County?
Pennington County, South Dakota has a combined ZIP-area population of about 103,005 across 9 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Pennington County?
The average median household income across ZIP codes in Pennington County, South Dakota is about $73,052, roughly in line with the state ZIP average ($72,498), and about 3% below the U.S. median ($75,149). Average median home value is about $271,888. Among ZIPs with data, 57751 (Keystone) is near the top ($100,714) and 57725 (Caputa) is near the bottom ($34,784).
How many ZIP codes are in Pennington County?
Pennington County, South Dakota includes 9 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Pennington County?
This page lists ZIP codes in Pennington County, South Dakota with population, median household income, and home value. Select a ZIP for a full demographics profile.