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County ProfileMI

Kalkaska County

Population: 17,939 · 3 ZIP codes

Demographics

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

People
Total population
17,939
People
Median age
44.4
Housing
Total households
7,789
Income
Median household income
$68,578
Housing
Total housing units
11,690
Employment
Employment rate
53.1%
Education
Bachelor’s degree or higher
19%
Healthcare
Insured population
93.9%
County details
Local time 02:10:00(ET)
NameKalkaska
Total ZIP codes3total
ZIP codes (by type)
3 Standard
Area code231
TimezoneEastern Time (ET)
Coordinates44.6788808, -85.0889915
Land area559.7 sq miles(1,449.7 km²)

Map of Kalkaska county, Michigan with ZIP codes

Map of Kalkaska County, Michigan and ZIP codes

Cities and Communities in Kalkaska County

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

CityPopulation
Median incomeHousehold
ZIP codes
Kalkaska2,132$57,1431ZIPs
Rapid City1,357$73,0211ZIPs
South Boardman509$83,7501ZIPs

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

ZIP Codes in Kalkaska County

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

ZIPCity
Median incomeHousehold
Population (ZIP)
49646Kalkaska$64,8638,582
49676Rapid City$75,7813,527
49680South Boardman$77,2161,949

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