Keystone town, South Dakota
Keystone town profile, demographic data, and geographic information.
Keystone town is a geographic entity located in Pennington County, South Dakota. As of official census estimates, it has a reported population of 268. The land area covers 3.00 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 268 | — | 2025 / Census |
| Median Age | 38.1 yrs | ±7.1 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 107 | ±38 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 232 | ±76 |
| Occupied Housing Units | 107 | ±38 |
| Vacant Housing Units | 125 | ±68 |
| Median Home Value | $263,900 | ±$231,833 |
| Median Gross Rent | $546 | ±$392 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $64,702 | ±$11,275 |
| Per Capita Income | $32,157 | ±$12,895 |
| Poverty Rate | 6.8% | ±7.3% |
| Population Below Poverty Level | 23 | ±27 |
| Unemployment Rate | 7.8% | ±12.8% |
| Civilian Labor Force, Employed | 178 | ±87 |
| Broadband Internet Rate | 88.8% | ±14.2% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
TOWN OF KEYSTONE
GUS Population: 261 (2024)
ID: 175102
|
Municipal | Official Local Government |
Contact: FINANCE OFFICER
PO BOX 689, KEYSTONE SD 57751-0689
|
|
GUS Population: 115,979 (2024)
ID: 134547
|
County | Official County Government |
Contact: CHAIRMAN
315 SAINT JOSEPH ST, STE 156, RAPID CITY SD 57701-2879
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Alternative School Nearby | 09-12 | Custer, SD | |
| Regular School Nearby | 09-12 | Rapid City, SD | |
| Regular School Nearby | KG-05 | Rapid City, SD | |
| Regular School Nearby | PK-06 | Custer, SD | |
| Regular School Nearby | 09-12 | Custer, SD | |
| Regular School Nearby | 07-08 | Custer, SD | |
| Regular School Nearby | 06-08 | Rapid City, SD | |
| Regular School Nearby | PK-05 | Rapid City, SD | |
| Regular School Nearby | KG-05 | Rapid City, SD | |
| Regular School Nearby | PK-06 | Hermosa, SD |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
National American University-Rapid City
|
College | 13.5 mi away | 4020 Jackson Boulevard Suite 1, Rapid City, SD, 57702 |
6053944800
|
|
KEYSTONE TOWN LIBRARY
|
Library | 0.9 mi away | 1101 MADILL ST, KEYSTONE, SD, 57751 |
(605) 666-4499
|
|
Paul Mitchell the School-Rapid City
|
College Vocational | 16.4 mi away | 333 Omaha St. Suite 6 & 7, Rapid City, SD, 57701 |
60534842470
|
|
HILL CITY PUBLIC LIBRARY
|
Library | 7.8 mi away | 341 MAIN ST, HILL CITY, SD, 57745 |
(605) 574-4529
|
|
South Dakota School of Mines and Technology
|
College | 16.6 mi away | 501 E Saint Joseph St, Rapid City, SD, 57701-3995 |
6053942511
|
|
CUSTER COUNTY HERMOSA BRANCH LIBRARY
|
Library | 12.3 mi away | 234 MAIN STREET, HERMOSA, SD, 57744 |
(605) 255-5597
|
|
The Salon Professional Academy
|
College Vocational | 17.6 mi away | 937 East North Street, Rapid City, SD, 57701 |
6053420697
|
|
CUSTER COUNTY LIBRARY
|
Library | 12.4 mi away | 447 CROOK STREET SUITE 4, CUSTER, SD, 57730 |
(605) 673-4803
|
|
Western Dakota Technical College
|
College | 17.6 mi away | 800 Mickelson Dr, Rapid City, SD, 57703-4018 |
6057182400
|
|
RAPID CITY PUBLIC LIBRARY
|
Library | 16.0 mi away | 610 QUINCY STREET, RAPID CITY, SD, 57701 |
(605) 394-6139
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at MT RUSHMORE NMEM, SD US, located 2.0 miles from Keystone town. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 36.8° | 18.8° | 27.8° | 0.48" | 7.2" |
| February | 36.3° | 18.4° | 27.3° | 0.76" | 8.9" |
| March | 44.2° | 25.4° | 34.8° | 1.35" | 9.6" |
| April | 50.2° | 31.8° | 41.0° | 2.62" | 13.1" |
| May | 59.6° | 41.5° | 50.6° | 4.80" | 1.5" |
| June | 71.1° | 51.9° | 61.5° | 3.58" | 0.2" |
| July | 78.7° | 59.1° | 68.9° | 3.59" | 0.0" |
| August | 77.5° | 58.0° | 67.8° | 2.29" | 0.0" |
| September | 69.1° | 49.6° | 59.4° | 1.76" | 0.9" |
| October | 55.0° | 36.8° | 45.9° | 1.80" | 4.9" |
| November | 44.4° | 27.0° | 35.7° | 0.59" | 6.4" |
| December | 36.6° | 19.8° | 28.2° | 0.50" | 6.6" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Keystone town | Town | 0.0 mi | — |
| Hill City city | City | 7.6 mi | — |
| Colonial Pine Hills CDP | CDP | 9.9 mi | — |
| Custer city | City | 12.4 mi | — |
| Hermosa town | Town | 12.4 mi | — |
| Johnson Siding CDP | CDP | 13.1 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 4610333820. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.