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U.S. ZIP Code 57661
5-digit United States postal code #57661, Whitehorse, SD
ZIP code 57661 is located in the city (place name) Whitehorse, сounty Dewey in the state of South Dakota. The population in ZIP code 57661 is 88 and the population density is 1.6. ZIP code 57661 refers to сounty Dewey having сounty FIPS 46041, the ratio of people from different counties in this ZIP code is as follows: all county weights - 46041: 100%. In the area of the ZIP code 57661 valid time zone America/Denver.
ZIP: 57661
County: Dewey
Place Name: Whitehorse
State: South Dakota
State Abbreviation: SD
Coordinates: 45° 15' 24.336" N, 100° 57' 36.54" W
Latitude: 45.256760000000
Longitude: -100.960150000000
Population: 88
Density: 1.6/km2
Time zone: America/Denver
County FIPS: 46041
All county weights: 46041: 100%