Skip to main content
County ProfileKY

Simpson County

Population: 19,594 · 2 ZIP codes

Demographics

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

People
Total population
19,594
People
Median age
38.8
Housing
Total households
8,025
Income
Median household income
$59,858
Housing
Total housing units
8,627
Employment
Employment rate
58.5%
Education
Bachelor’s degree or higher
18.8%
Healthcare
Insured population
91.7%
County details
Local time 04:26:05(ET)
NameSimpson
Total ZIP codes2total
ZIP codes (by type)
1 Standard1 PO Box
Area code270, 364
TimezoneEastern Time (ET)
Coordinates36.7409289, -86.5817871
Land area234.2 sq miles(606.5 km²)

Map of Simpson county, Kentucky with ZIP codes

Map of Simpson County, Kentucky and ZIP codes

Cities and Communities in Simpson County

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

CityPopulation
Median incomeHousehold
ZIP codes
Franklin10,176$59,0522ZIPs

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

ZIP Codes in Simpson County

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

ZIPCity
Median incomeHousehold
Population (ZIP)
42134Franklin$59,11318,881
42135Franklin

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