Mercer County , Kentucky

Mercer County: County in Kentucky, United States


Mercer County is a county located in the U.S. state of Kentucky. As of the 2010 census, the population was 21,331 and a population density of 33 people per km². After 10 years in 2020 county had an estimated population of 21,889 inhabitants. Its county seat is Harrodsburg. The county was created 236 years ago in 1785.

Mercer County Quick Facts

Population : 21,889 (2020)
Country : United States of America
State : Kentucky (United States)
Different from : Mercer County, Mercer County, Mercer County, Mercer County, Mercer County, Mercer County, Mercer County
Area : 656 km2
Water as percent of area : 1.8%
Land as percent of area : 98.2%
Named for : Hugh Mercer
Capital : Harrodsburg
Establishment : October 10, 1785
Time Zone : Eastern Time Zone
Local time : 00:27:10 (4th October 2022)
Density : 33 Pop. per km² as of 2020
Population growth : 2.55% (2010-2020)
Mercer County locator map
Location of Mercer County on Kentucky map.
Mercer County Courthouse image
Mercer County Courthouse
Mercer County Courthouse image


Mercer County is located at 37°48'40"N 84°52'28"W (37.8110300, -84.8744400). It has 6 neighbors: Anderson County, Boyle County, Garrard County, Jessamine County, Washington County and Woodford County.

Mercer County map

The largest city of Mercer County is Harrodsburg with a population of 8,544. Other cities include and Burgin population 994. See all Mercer County cities & populated places.

Mercer County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Mercer County.

City Name Population Title
Harrodsburg 8,544 City in the Commonwealth of Kentucky, United Sates of America
Burgin 994 Human settlement in Mercer County, Kentucky, United States of America

Mercer County has 6 neighbours.


The population of Mercer County increased by 2.55% in 10 years.

Year Population % Change Method
2010 21,331 - census
2011 21,275 -0.26% estimation process
2012 21,323 0.23% estimation process
2013 21,291 -0.15% estimation process
2014 21,360 0.32% estimation process
2015 21,377 0.08% estimation process
2016 21,405 0.13% estimation process
2017 21,542 0.64% estimation process
2018 21,702 0.74% estimation process
2019 21,933 1.05% estimation process
2020 21,889 -0.2% estimation process

Comitatul Mercer, Comte de Mercer, Comté de Mercer, Condado de Mercer, Condado han Mercer, Contea di Mercer, Hrabstwo Mercer, Mercer, Mercer Kun, Mercer Kūn, Mercer konderria, Mercer megye, Merser, Merser srjan, Mursur, Okrug Merser, Quan Mercer, Quận Mercer, mararsera ka'unti, masa jun, mo se xian, mqatʿt myrsyr, shhrstan mrsr kntaky, Мерсер, Мърсър, Округ Мерсер, Մերսեր շրջան, شهرستان مرسر، کنتاکی, مرسر کاؤنٹی، کینٹکی, مقاطعة ميرسير, মারর্সের কাউন্টি, マーサー郡, 默瑟縣

People born in Mercer County (11)

People born in Mercer County, including politician and lawyer James Harlan, congressman George Robertson, lawyer and educator John Bryan Bowman, .


Other places with the same name (8)

Kentucky Other Counties (more counties)

County Name Population Title
Jefferson County 767,452 County in Alabama, United States
Louisville 760,026 County seat of Jefferson County, Kentucky, United States
Fayette County 324,735 County in West Virginia, United States
Lexington-Fayette 314,488 Consolidated city-county in Kentucky, United States
Meads 288,649 Unincorporated community in Boyd County, Kentucky
Ironville 288,649 Unincorporated community in Boyd County, Kentucky
Lexington 225,366 City in Fayette County, Kentucky, United States
Kenton County 167,949 County in Kentucky, United States
Boone County 135,396 County in Kentucky, United States
Warren County 134,510 County in Kentucky, United States
Hardin County 111,309 County in Tennessee, United States
Daviess County 101,978 County in Kentucky, United States
Madison County 94,265 County in Kentucky, United States
Campbell County 94,020 County in northeastern Wyoming, United States
Bullitt County 82,182 County in Kentucky, United States
Christian County 71,478 County in Missouri, United States