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County ProfileMI

Lake County

Population: 12,096 · 6 ZIP codes

Demographics

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

People
Total population
12,096
People
Median age
50.5
Housing
Total households
5,190
Income
Median household income
$50,805
Housing
Total housing units
13,461
Employment
Employment rate
41.4%
Education
Bachelor’s degree or higher
12.7%
Healthcare
Insured population
92.7%
County details
Local time 03:17:31(ET)
NameLake
Total ZIP codes6total
ZIP codes (by type)
6 Standard
Area code231
TimezoneEastern Time (ET)
Coordinates43.9951867, -85.8113997
Land area567.6 sq miles(1,470.1 km²)

Map of Lake county, Michigan with ZIP codes

Map of Lake County, Michigan and ZIP codes

Cities and Communities in Lake County

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

CityPopulation
Median incomeHousehold
ZIP codes
Irons1,8911ZIPs
Branch1,4251ZIPs
Chase1,1861ZIPs
Baldwin902$25,2501ZIPs
Idlewild8401ZIPs
Luther332$54,1671ZIPs

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

ZIP Codes in Lake County

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

ZIPCity
Median incomeHousehold
Population (ZIP)
49304Baldwin$45,9914,979
49644Irons$54,0131,891
49656Luther$56,6561,535
49402Branch$51,3241,425
49623Chase$60,1471,186
49642Idlewild$26,950840

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