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County ProfileSD

Walworth County

Population: 5,315 · 5 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
5,315
People
Median age
41.7
Housing
Total households
2,415
Income
Median household income
$65,026
Housing
Total housing units
2,932
Employment
Employment rate
59.4%
Education
Bachelor’s degree or higher
29.6%
Healthcare
Insured population
89.4%
County details
Local time 01:19:09(CT)
NameWalworth
Total ZIP codes5total
ZIP codes (by type)
4 Standard1 PO Box
Area code605
TimezoneCentral Time (CT)
Coordinates45.4276046, -100.0278563
Land area707.5 sq miles(1,832.3 km²)

Map of Walworth county, South Dakota with ZIP codes

Map of Walworth County, South Dakota and ZIP codes

Cities and Communities in Walworth County

Compare the largest cities in Walworth County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Mobridge3,261$65,3571ZIPs
Selby610$49,2051ZIPs
Java121$38,7501ZIPs
Glenham112$50,6251ZIPs
Akaska77$40,6251ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Walworth County

Review the most populated postal areas across Walworth County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
57601Mobridge$66,0033,824
57472Selby$61,708914
57631Glenham$56,827362
57452Java$53,571285
57420Akaska$40,469111

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS