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County ProfileMI

Monroe County

Population: 154,809 · 16 ZIP codes

Demographics

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

People
Total population
154,809
People
Median age
42.8
Housing
Total households
63,029
Income
Median household income
$77,335
Housing
Total housing units
66,594
Employment
Employment rate
56.4%
Education
Bachelor’s degree or higher
23.3%
Healthcare
Insured population
96.6%
County details
Local time 01:52:20(ET)
NameMonroe
Total ZIP codes16total
ZIP codes (by type)
15 Standard1 PO Box
Area code734
TimezoneEastern Time (ET)
Coordinates41.916097, -83.4871059
Land area549.4 sq miles(1,422.8 km²)

Map of Monroe county, Michigan with ZIP codes

Map of Monroe County, Michigan and ZIP codes

Cities and Communities in Monroe County

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

CityPopulation
Median incomeHousehold
ZIP codes
Monroe20,462$59,8132ZIPs
Newport13,1701ZIPs
Lambertville10,433$102,5211ZIPs
Temperance9,188$81,5031ZIPs
Erie5,5001ZIPs
Dundee5,323$78,8371ZIPs
Ottawa Lake3,9201ZIPs
La Salle3,3321ZIPs
Carleton2,326$73,3651ZIPs
South Rockwood1,587$78,2031ZIPs
Luna Pier1,382$61,6411ZIPs
Petersburg1,171$83,2351ZIPs
Ida790$125,9791ZIPs
Maybee545$54,7061ZIPs
Samaria2321ZIPs

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

ZIP Codes in Monroe County

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

ZIPCity
Median incomeHousehold
Population (ZIP)
48162Monroe$67,87629,156
48161Monroe$67,41426,571
48182Temperance$84,37521,886
48166Newport$69,59213,170
48144Lambertville$101,41010,331
48117Carleton$78,94210,154
48131Dundee$85,7478,126
49270Petersburg$94,8405,822
48133Erie$74,3885,500
49267Ottawa Lake$97,9613,920
48145La Salle$83,2043,332
48179South Rockwood$77,0953,239
48140Ida$109,2573,082
48159Maybee$74,5192,566
48157Luna Pier$61,6411,382
48177Samaria$81,818232

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