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County ProfileKY

Mercer County

Population: 22,641 · 3 ZIP codes

Demographics

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

People
Total population
22,641
People
Median age
42.9
Housing
Total households
9,181
Income
Median household income
$64,824
Housing
Total housing units
10,472
Employment
Employment rate
56%
Education
Bachelor’s degree or higher
24.9%
Healthcare
Insured population
95%
County details
Local time 02:46:41(ET)
NameMercer
Total ZIP codes3total
ZIP codes (by type)
2 Standard1 PO Box
Area code859
TimezoneEastern Time (ET)
Coordinates37.8120852, -84.8796946
Land area249.4 sq miles(645.9 km²)

Map of Mercer county, Kentucky with ZIP codes

Map of Mercer County, Kentucky and ZIP codes

Cities and Communities in Mercer County

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

CityPopulation
Median incomeHousehold
ZIP codes
Harrodsburg9,064$48,3811ZIPs
Burgin979$77,5851ZIPs
Salvisa410$61,2501ZIPs

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

ZIP Codes in Mercer County

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

ZIPCity
Median incomeHousehold
Population (ZIP)
40330Harrodsburg$63,99220,440
40372Salvisa$74,2052,344
40310Burgin$56,477575

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