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County ProfileIA

Bremer County

Population: 24,988 · 8 ZIP codes

Demographics

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

People
Total population
24,988
People
Median age
39
Housing
Total households
9,716
Income
Median household income
$86,784
Housing
Total housing units
10,585
Employment
Employment rate
63.8%
Education
Bachelor’s degree or higher
36.2%
Healthcare
Insured population
97.8%
County details
Local time 00:53:00(CT)
NameBremer
Total ZIP codes8total
ZIP codes (by type)
7 Standard1 PO Box
Area code319, 563
TimezoneCentral Time (CT)
Coordinates42.7808946, -92.3273559
Land area435.5 sq miles(1,127.9 km²)

Map of Bremer county, Iowa with ZIP codes

Map of Bremer County, Iowa and ZIP codes

Cities and Communities in Bremer County

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

CityPopulation
Median incomeHousehold
ZIP codes
Waverly10,394$80,2841ZIPs
Sumner2,030$58,8541ZIPs
Denver1,919$92,0001ZIPs
Tripoli1,191$78,3241ZIPs
Janesville1,034$103,5421ZIPs
Readlyn845$86,1031ZIPs
Plainfield393$80,0001ZIPs
Frederika204$57,0831ZIPs

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

ZIP Codes in Bremer County

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

ZIPCity
Median incomeHousehold
Population (ZIP)
50677Waverly$85,63312,789
50674Sumner$72,7943,480
50622Denver$95,0893,452
50647Janesville$104,0631,989
50676Tripoli$87,1151,815
50668Readlyn$85,9561,234
50666Plainfield$79,867893
50631Frederika$58,750178

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