Zip Code 57751 City Keystone State South Dakota (SD)



City Alias Name(s) KEYSTONE*
County CUSTER, PENNINGTON,
Metro Area Rapid City, SD
Region Midwest
Division West North Central
Geo Coordinates 43.885196, -103.429098
*USPS accepts this alias for mailing purposes

Population

609

Census 2010: 844
Estimated: 609
Growth: -38.59%
White 815 91.06%
Indian 39 4.36%
Hispanic 31 3.46%
Asian 6 0.67%
Black 2 0.22%
Other 1 0.11%
Hawaiian 1 0.11%



Gender and Age

Females 418 49.53%
Males 426 50.47%

Median age 50.60
Median age for females 47.40
Median age for males 51.70

Households

Total households 375
Persons per household 2.24
Income per household $31,354.00

Time

Time zone(s) Mountain Standard Time. GMT-7
Day light saving Yes

Area Codes

605