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County ProfileMO

Oregon County

Population: 8,635 · 5 ZIP codes

Demographics

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

People
Total population
8,635
People
Median age
44.5
Housing
Total households
3,380
Income
Median household income
$43,069
Housing
Total housing units
4,321
Employment
Employment rate
46.9%
Education
Bachelor’s degree or higher
12.6%
Healthcare
Insured population
83.7%
County details
Local time 02:15:00(CT)
NameOregon
Total ZIP codes5total
ZIP codes (by type)
5 Standard
Area code417
TimezoneCentral Time (CT)
Coordinates36.6853104, -91.4018272
Land area789.8 sq miles(2,045.7 km²)

Map of Oregon county, Missouri with ZIP codes

Map of Oregon County, Missouri and ZIP codes

Cities and Communities in Oregon County

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

CityPopulation
Median incomeHousehold
ZIP codes
Thayer1,883$37,4171ZIPs
Alton707$50,2081ZIPs
Myrtle3321ZIPs
Koshkonong196$28,1821ZIPs
Couch1801ZIPs

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

ZIP Codes in Oregon County

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

ZIPCity
Median incomeHousehold
Population (ZIP)
65791Thayer$42,4704,085
65606Alton$51,9092,662
65692Koshkonong$40,357965
65778Myrtle$23,669332
65690Couch180

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