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County ProfileMO

Warren County

Population: 35,532 · 4 ZIP codes

Demographics

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

People
Total population
35,532
People
Median age
40.8
Housing
Total households
13,845
Income
Median household income
$81,209
Housing
Total housing units
16,161
Employment
Employment rate
60.5%
Education
Bachelor’s degree or higher
20.2%
Healthcare
Insured population
92.6%
County details
Local time 02:14:53(CT)
NameWarren
Total ZIP codes4total
ZIP codes (by type)
4 Standard
Area code636
TimezoneCentral Time (CT)
Coordinates38.761902, -91.1593065
Land area428.6 sq miles(1,110.1 km²)

Map of Warren county, Missouri with ZIP codes

Map of Warren County, Missouri and ZIP codes

Cities and Communities in Warren County

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

CityPopulation
Median incomeHousehold
ZIP codes
Warrenton8,429$61,0311ZIPs
Wright City4,881$80,1521ZIPs
Marthasville1,245$112,0831ZIPs
Truesdale853$58,7501ZIPs

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

ZIP Codes in Warren County

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

ZIPCity
Median incomeHousehold
Population (ZIP)
63383Warrenton$75,28215,340
63390Wright City$82,35111,982
63357Marthasville$92,2005,835
63380Truesdale$58,750859

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