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County ProfileSD

Bennett County

Population: 3,381 · 3 ZIP codes

Demographics

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

People
Total population
3,381
People
Median age
27.4
Housing
Total households
920
Income
Median household income
$53,750
Housing
Total housing units
1,151
Employment
Employment rate
45.2%
Education
Bachelor’s degree or higher
18.3%
Healthcare
Insured population
72.3%
County details
Local time 05:37:09(CT)
NameBennett
Total ZIP codes3total
ZIP codes (by type)
3 Standard
Area code605
TimezoneCentral Time (CT)
Coordinates43.1869121, -101.677181
Land area1,184.6 sq miles(3,068.2 km²)

Map of Bennett county, South Dakota with ZIP codes

Map of Bennett County, South Dakota and ZIP codes

Cities and Communities in Bennett County

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

CityPopulation
Median incomeHousehold
ZIP codes
Martin938$54,0631ZIPs
Allen4601ZIPs
Tuthill1191ZIPs

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

ZIP Codes in Bennett County

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

ZIPCity
Median incomeHousehold
Population (ZIP)
57551Martin$70,0962,232
57714Allen749
57574Tuthill$2,499119

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