Jefferson County , Kentucky

County in Alabama, United States

Jefferson County, KY locator map
Location of Jefferson County, KY on Kentucky map.

About

Jefferson County is a county located in the U.S. state of Kentucky. As of the 2010 census, the population was 741,096 and a population density of 255 people per km². After 9 years in 2019 county had an estimated population of 766,757 inhabitants. Its county seat is Birmingham. The county was created 201 years ago in 1819.

Jefferson County has a total area of 1,123.94 square miles (2911 km2).

Jefferson County map

Jefferson County, KY Quick Facts

Population : 766,757 (2019)
Country : United States of America
State : Kentucky
Different from : Jefferson County
Plate code : 1
Area : 2911 km2
Water as percent of area : 1.1%
Land as percent of area : 98.9%
Named for : Thomas Jefferson
Altitude : 509 feet / 155 meters
Capital : Birmingham
Establishment : December 12, 1819
Time Zone : America/Kentucky/Louisville
Local time : 07:25:24 (16th April 2021)
Density : 263 Pop. per km² as of 2019
Population growth : 3.35% (2010-2019)

Jefferson County, KY has 6 neighbors .

  • Birmingham

Year Population Method
2010 741,096 census
2011 746,361 estimation process
2012 751,629 estimation process
2013 759,183 estimation process
2014 761,725 estimation process
2015 764,946 estimation process
2016 767,464 estimation process
2017 769,828 estimation process
2018 768,101 estimation process
2019 766,757 estimation process

The population of Jefferson County increased by 3.35% in 9 years.

Comitatul Jefferson, Comte de Jefferson, Comté de Jefferson, Condado de Jefferson, Condado han Jefferson, Contea di Jefferson, Dzhefersun, Dzhefferson, Hrabstwo Jefferson, Jeferson srjan, Jefferson, Jefferson Kun, Jefferson Kūn, Jefferson konderria, Jefferson megye, Jeffersoni maakond, Okrug DZeferson, Quan Jefferson, Quận Jefferson, jefason jun, jepharasana ka'unti, jie fu xun xian, mqatʿt jyfyrswn, shhrstan jfrswn kntaky, Джеферсън, Джефферсон, Округ Џеферсон, Ջեֆերսոն շրջան, جیفرسن کاؤنٹی، کینٹکی, شهرستان جفرسون، کنتاکی, مقاطعة جيفيرسون, জেফারশন কাউন্টি, ジェファーソン郡, 傑佛遜縣

People born in Jefferson County, KY (12)

People born in Jefferson County, KY, including baseball player Willie Mays, politician and businessman James D. Martin, Player of football Bob Gresham, you can see a list of people who born in Jefferson County, KY.

Jefferson County, KY Populated Places (more)

Cities, Towns, Neighborhoods & Other Populated Places in Jefferson County, KY.

City Name Population Title
Louisville 760,026 County seat of Jefferson County, Kentucky, United States
Jeffersontown 27,715 City in Jefferson County, Kentucky, United States of America
Saint Matthews 18,105 Church of Sweden church building in Vasastan, central Stockholm, Sweden
Shively 15,689 Home rule-class city in Jefferson County, Kentucky, United States
Lyndon 11,423 City in the United States
Middletown 7,877 City in Kentucky
Douglass Hills 5,707 City in Jefferson County, Kentucky, United States of America
Prospect 4,827 City in Kentucky
Hurstbourne 4,388 City in Jefferson County, Kentucky, United States of America
Graymoor-Devondale 2,948 City in Jefferson County, Kentucky, United States of America
Windy Hills 2,459 City in Jefferson County, Kentucky, United States of America
Anchorage 2,423 Small city in Kentucky, USA
Hurstbourne Acres 1,890 City in Jefferson County, Kentucky, United States of America
Worthington Hills 1,550 City in Jefferson County, Kentucky, United States of America
Saint Regis Park 1,497 Human settlement in Jefferson County, Kentucky, United States of America
Audubon Park 1,489 City in Kentucky

Kentucky Other Counties (more counties)

County Name Population Title
Louisville 760,026 County seat of Jefferson County, Kentucky, United States
Fayette County 323,152 County in West Virginia, United States
Lexington-Fayette 314,488 Consolidated city-county in Kentucky, United States
Kenton County 166,998 County in Kentucky, United States
Boone County 133,581 County in Kentucky, United States
Warren County 132,896 County in Kentucky, United States
Hardin County 110,958 County in Tennessee, United States
Daviess County 101,511 County in Kentucky, United States
Campbell County 93,584 County in northeastern Wyoming, United States
Madison County 92,987 County in Kentucky, United States
Bullitt County 81,676 County in Kentucky, United States
Bowling Green 70,543 City in Kentucky
Christian County 70,461 County in Missouri, United States
Oldham County 66,799 County in Texas, United States
McCracken County 65,418 County in Kentucky, United States
Pulaski County 64,979 County in Kentucky, United States

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