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Data Last Updated: March 1, 2023
Zip Code 57751, Keystone, SD
ZIP Code 57751 Details
| Zip Code: | 57751 |
| City: | Keystone |
| State: | SD [South Dakota] |
| Counties: | PENNINGTON, SD |
| Multi County: | No |
| City Alias(es): | Keystone |
| Area Code: | 605 |
| City Type: | P [Post Office] |
| Classification: | [Non-Unique] |
| Time Zone: | Mountain (GMT -07:00) |
| Observes Daylight Saving: | Yes |
| Latitude: | 43.885196 |
| Longitude: | -103.429098 |
| Elevation: | 4642 ft |
| State FIPS: | 46 |
| County FIPS: | 103 |
| Region: | Midwest |
| Division: | West North Central |
| Intro Date: | <2004-10 |
ZIP Code 57751 2010 Census Demographics
| Current Population: | 736 |
| 2010 Population: | 844 |
| Households per ZIP Code: | 375 |
| Average House Value: | $265,200 |
| Avg. Income Per Household: | $75,893 |
| Persons Per Household: | 2.24 |
| White Population: | 815 |
| Black Population: | 2 |
| Hispanic Population: | 31 |
| Asian Population: | 6 |
| American Indian Population: | 39 |
| Hawaiian Population: | 1 |
| Other Population: | 1 |
| Male Population: | 426 |
| Female Population: | 418 |
| Median Age: | 50.60 years |
| Male Median Age: | 51.70 years |
| Female Median Age: | 47.40 years |
ZIP Code 57751 Other Demographics
| # Residential Mailboxes: | 329 |
| # Business Mailboxes: | 49 |
| Total Delivery Receptacles: | 510 |
| Number of Businesses: | 73 |
| 1st Quarter Payroll: | $1,587,000 |
| Annual Payroll: | $12,959,000 |
| # of Employees: | 274 |
| Water Area: | 0.005 sq mi |
| Land Area: | 44.223 sq mi |
| 118th Congressional District: | |
| 118th Congressional Land Area: | sq mi |
| Single Family Delivery Units: | 305 |
| Multi Family Delivery Units: | 8 |
| # Residential Mailboxes: | 329 |
| # Business Mailboxes: | 49 |
| Total Delivery Receptacles: | 510 |
ZIP Code 57751 Social Security Benefits
| 2018 | 2019 | Delta | |
| Total Beneficiaries: | 210 | 215 | +5 |
| Retired Workers: | 170 | 175 | +5 |
| Disabled Workers: | 20 | 15 | -5 |
| Widow(er)s and Parents: | 15 | 15 | 0 |
| Spouses: | 0 | 5 | +5 |
| Children: | 5 | 5 | 0 |
| 65+: | 170 | 180 | +10 |
| Monthly Benefits - All: | $291,000 | $307,000 | +$16,000 |
| Monthly Benefits - Retired Workers: | $241,000 | $256,000 | +$15,000 |
| Monthly Benefits - Widow(ers): | $20,000 | $21,000 | +$1,000 |
ZIP Code 57751 Statistical Areas
| CBSA: | 39660 |
| CBSA Name: | Rapid City, SD |
| CBSA Type: | Metro |
| CBSA Division: | |
| CBSA Division Name: | |
| CBSA Population: | 126,382 |
| CBSA Division Population: | 0 |
| MSA: | 6660 |
| MSA Name: | Rapid City, SD MSA |
| PMSA: | |
| PMSA Name: | |
| City State Key: | W1A838 |
| Preferred Last Line Key: | W1A838 |
57750: Previous ZIP Code |
Next ZIP Code: 57752 |
References
- U.S. Postal Service [Last Updated: 3/1/2023], https://www.usps.com
- ZIP-Codes.com Internal Data Creation [Last Updated: 3/1/2023], https://www.zip-codes.com
- U.S. Geological Survey [Updated as needed], https://www.usgs.gov/
- U.S. Census [Updated Yearly], https://www.census.gov
- U.S. Census American National Standards Institute (ANSI) [Last Updated: 3/1/2023], https://www.census.gov
- U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010], https://www.census.gov
- Centers for Medicare & Medicaid Services [Updated Yearly], https://www.cms.gov/
