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U.S. ZIP Code 57233
5-digit United States postal code #57233, Erwin, SD
ZIP code 57233 is located in the city (place name) Erwin, сounty Kingsbury in the state of South Dakota. The population in ZIP code 57233 is 118 and the population density is 1.3. ZIP code 57233 refers to сounty Kingsbury having сounty FIPS 46077, the ratio of people from different counties in this ZIP code is as follows: all county weights - 46077: 100%. In the area of the ZIP code 57233 valid time zone America/Chicago.
ZIP: 57233
County: Kingsbury
Place Name: Erwin
State: South Dakota
State Abbreviation: SD
Coordinates: 44° 30' 42.948" N, 97° 23' 53.556" W
Latitude: 44.511930000000
Longitude: -97.398210000000
Population: 118
Density: 1.3/km2
Time zone: America/Chicago
County FIPS: 46077
All county weights: 46077: 100%