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County ProfileIA

Cass County

Population: 13,127 · 8 ZIP codes

Demographics

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

People
Total population
13,127
People
Median age
43.5
Housing
Total households
5,844
Income
Median household income
$63,013
Housing
Total housing units
6,393
Employment
Employment rate
62.6%
Education
Bachelor’s degree or higher
22.1%
Healthcare
Insured population
95.9%
County details
Local time 02:15:05(CT)
NameCass
Total ZIP codes8total
ZIP codes (by type)
8 Standard
Area code712
TimezoneCentral Time (CT)
Coordinates41.3338233, -94.9333006
Land area564.3 sq miles(1,461.4 km²)

Map of Cass county, Iowa with ZIP codes

Map of Cass County, Iowa and ZIP codes

Cities and Communities in Cass County

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

CityPopulation
Median incomeHousehold
ZIP codes
Atlantic6,792$61,1411ZIPs
Griswold994$55,0001ZIPs
Anita963$66,3071ZIPs
Massena359$61,8271ZIPs
Lewis357$36,6911ZIPs
Cumberland251$47,0831ZIPs
Marne110$61,8751ZIPs
Wiota91$78,0771ZIPs

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

ZIP Codes in Cass County

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

ZIPCity
Median incomeHousehold
Population (ZIP)
50022Atlantic$63,1258,052
51535Griswold$76,3711,764
50020Anita$75,4171,375
50853Massena$65,208688
51544Lewis$48,313648
50843Cumberland$56,125537
50274Wiota$71,667367
51552Marne$90,000265

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