You are here
U.S. ZIP Code 57751
5-digit United States postal code #57751, Keystone, SD
ZIP code 57751 is located in the city (place name) Keystone, сounty Pennington in the state of South Dakota. The population in ZIP code 57751 is 844 and the population density is 4.8. ZIP code 57751 refers to сounty Pennington having сounty FIPS 46103, the ratio of people from different counties in this ZIP code is as follows: all county weights - 46033: 1.18%, 46103: 98.82%. In the area of the ZIP code 57751 valid time zone America/Denver.
ZIP: 57751
County: Pennington
Place Name: Keystone
State: South Dakota
State Abbreviation: SD
Coordinates: 43° 51' 19.584" N, 103° 23' 11.724" W
Latitude: 43.855440000000
Longitude: -103.386590000000
Population: 844
Density: 4.8/km2
Time zone: America/Denver
County FIPS: 46103
All county weights: 46033: 1.18%, 46103: 98.82%