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ZIP Code 57042 – Madison, SD

Madison, South Dakota · Lake County · Central time

ZIP code57042
CityMadison
StateSouth Dakota
CountyLake CountyMcCook County
Area code605
Population7,756
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area193.22 sq mi
Center (lat, long)43.9713, -97.1441

Map

Nearby ZIP codes

57075 Wentworth · 8.9 mi57076 Winfred · 10.7 mi57016 Chester · 11.3 mi57054 Ramona · 11.6 mi57057 Rutland · 12.9 mi57050 Nunda · 14.2 mi57018 Colton · 14.4 mi57048 Montrose · 16.1 mi

About ZIP 57042

ZIP code 57042 is assigned to Madison, South Dakota. It crosses 2 counties; most of its land is in Lake County. Its Census area covers about 193.22 square miles of land. The closest neighboring ZIP is 57075 (Wentworth), about 8.9 miles away.

Every address in 57042 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources