Mercer County, Kentucky
Mercer County, Kentucky · ZIP 40310, 40330, 40372
- Census data · ACS 2019-2023
- 23,515 (2024 estimate)Population
- 9,137Households
- $63,115Median household income
- $189,700Median home value
- 3Towns with a page
- 4ZIP codes
Mercer County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 20,817 |
| 2010 | 21,331 |
| 2020 | 22,641 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 21, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 21, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 21, retrieved November 14, 2026.
Median household income $63,115 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 21, retrieved November 14, 2026.
- Owner occupied
- 7,048 units
- Renter occupied
- 2,089 units
- Vacancy rate
- 12.2%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 21, retrieved November 14, 2026.
5,351 employees in 359 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 21, retrieved November 14, 2026.
| Measure | Mercer County | Kentucky |
|---|---|---|
| Population | 22,824 | 4,510,725 |
| Median household income | $63,115 | $62,417 |
| Median age | 42.8 | 39.1 |
| Median home value | $189,700 | $192,300 |
| Bachelor’s degree or higher | 22.5% | 27.0% |
| Foreign-born residents | 2.8% | 4.4% |
| Owner-occupied homes | 77.1% | 68.3% |
| Mean commute to work | 28.3 minutes | 24.0 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 21, retrieved November 14, 2026.
Townships, towns and villages in Mercer County3 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Harrodsburg | City | 9,491 | 6.92 sq mi |
| Burgin | City | 1,017 | 1.26 sq mi |
| Salvisa | Census designated place | 151 | 1.84 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 21 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Mercer County
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Neighboring counties
Neighboring counties
- Anderson CountyPopulation 24,883 (2024 estimate)
- Boyle CountyPopulation 31,394 (2024 estimate)
- Garrard CountyPopulation 18,040 (2024 estimate)
- Jessamine CountyPopulation 56,495 (2024 estimate)
- Washington CountyPopulation 12,269 (2024 estimate)
- Woodford CountyPopulation 27,728 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 21, retrieved November 14, 2026.