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U.S. ZIP Code 57481
5-digit United States postal code #57481, Westport, SD
ZIP code 57481 is located in the city (place name) Westport, сounty Brown in the state of South Dakota. The population in ZIP code 57481 is 598 and the population density is 1.3. ZIP code 57481 refers to сounty Brown having сounty FIPS 46013, the ratio of people from different counties in this ZIP code is as follows: all county weights - 46013: 62.37%, 46045: 3.51%, 46089: 34.11%. In the area of the ZIP code 57481 valid time zone America/Chicago.
ZIP: 57481
County: Brown
Place Name: Westport
State: South Dakota
State Abbreviation: SD
Coordinates: 45° 39' 1.512" N, 98° 40' 3.684" W
Latitude: 45.650420000000
Longitude: -98.667690000000
Population: 598
Density: 1.3/km2
Time zone: America/Chicago
County FIPS: 46013
All county weights: 46013: 62.37%, 46045: 3.51%, 46089: 34.11%