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6 days ago · How many people live in Jefferson County? How has Jefferson County's population changed over the years? How has Jefferson County's racial and ethnic populations changed?
Jefferson County is a county located in the north central portion of the U.S. state of Kentucky. As of the 2020 census , the population was 782,969. [ 1 ] It is the most populous county in the commonwealth (with more than twice the population of second ranked Fayette County ).
Census data for Louisville/Jefferson County, KY-IN Metro Area (pop. 1,285,426), including age, race, sex, income, poverty, marital status, education and more.
- Louisville/Jefferson County, KY-IN Metro Area
Census data for Jefferson County, KY (pop. 773,399), including age, race, sex, income, poverty, marital status, education and more.
771,193. Jefferson County, Kentucky 's estimated 2024 population is 771,193 with a growth rate of -0.12% in the past year according to the most recent United States census data. Jefferson County, Kentucky is the largest county in Kentucky. The 2010 population was 742,096 and has seen a growth of 3.92% since that time.
Jul 1, 2023 · Jefferson County, Kentucky. QuickFacts provides statistics for all states and counties. Also for cities and towns with a population of 5,000 or more.
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In 2021, Jefferson County, KY had a population of 780k people with a median age of 38.4 and a median household income of $61,633. Between 2020 and 2021 the population of Jefferson County, KY grew from 768,419 to 780,449, a 1.57% increase and its median household income grew from $58,196 to $61,633, a 5.91% increase.
