Allen County, Kentucky

Allen County: County in Kentucky, United States


Allen County is a county located in the U.S. state of Kentucky. As of the 2010 census, the population was 19,956 and a population density of 22 people per km². After 10 years in 2020 county had an estimated population of 21,303 inhabitants. Its county seat is Scottsville. The county was created 209 years ago in 1815.

Allen County locator map
Location of Allen County on Kentucky map.

Quick Facts about Allen County

Population : 21,303 (2020)
Country : United States of America
State : Kentucky (United States)
Different from : Allegheny County, Alleghany County, Alleghany County, Allegan County, Allegany County
Area : 912 km2
Water as percent of area : 2.1%
Land as percent of area : 97.9%
Named for : John Allen
Capital : Scottsville
Establishment : January 01, 1815
Time Zone : Central Time Zone
Local time : 21:22:30 (24th May 2024)
Density : 23 Pop. per km² as of 2020
Population growth : 6.32% (2010-2020)
Allen County Kentucky courthouse image
Allen County Kentucky courthouse
Allen County Kentucky courthouse image


Allen County is located at 36°45'5"N 86°11'26"W (36.7513200, -86.1904200). It has 6 neighbors: Barren County, Monroe County, Simpson County, Warren County, Macon County and Sumner County.

Allen County map

The largest city of Allen County is Scottsville with a population of 4,548. . See all Allen County cities & populated places.

Allen County Populated Places

Cities, towns, neighborhoods & other populated places in Allen County.

City Name Population Title
Scottsville 4,548 City in Kentucky

Allen County has 6 neighbours.

  • Scottsville


The population of Allen County increased by 6.32% in 10 years.

Year Population % Change Method
2010 19,956 - census
2011 20,176 1.09% estimation process
2012 20,232 0.28% estimation process
2013 20,316 0.41% estimation process
2014 20,493 0.86% estimation process
2015 20,660 0.81% estimation process
2016 20,721 0.29% estimation process
2017 20,903 0.87% estimation process
2018 21,122 1.04% estimation process
2019 21,315 0.91% estimation process
2020 21,303 -0.06% estimation process

Alen srjan, Allen, Allen Kun, Allen Kūn, Allen konderria, Allen megye, Alun, Comitatul Allen, Comte d'Allen, Comte dAllen, Comté d'Allen, Comté dAllen, Condado de Allen, Condado han Allen, Contea di Allen, Hrabstwo Allen, Okrug Alen, Quan Allen, Quận Allen, ai lun xian, aren jun, mqatʿt alyn, shhrstan aln kntaky, Аллен, Алън, Округ Ален, Ալեն շրջան, ایلن کاؤنٹی, ایلن کاؤنٹی، کینٹکی, شهرستان آلن، کنتاکی, مقاطعة ألين, অ্যালেন কাউন্টি, アレン郡, 艾倫縣

People born in Allen County (3)

People born in Allen County, including actor Charles Napier, politician Isaac Goodnight, Evangelist preacher Mordecai Ham, .


Other places with the same name (4)

Kentucky Other Counties (more counties)

County Name Population Title
Jefferson County 767,452 County in Alabama, United States
Louisville 760,026 The nineteenth most populous city in the United States and the center of the Louisville metropolitan area.
Fayette County 324,735 County in West Virginia, United States
Lexington-Fayette 314,488 The most populous city in Kentucky and the center of the Lexington-Fayette metropolitan area.
Meads 288,649 A census-designated place located in Meade County, Kentucky.
Ironville 288,649 A city located in Lawrence County, Kentucky.
Lexington 225,366 The second most populous city in Kentucky.
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