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Population Review

Louisville/Jefferson County, Kentucky Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates

The population of Louisville/Jefferson County, Kentucky is 627,210 as of the 2023 American Community Survey, making it the 29th-largest city in the United States and the 1st-largest in Kentucky. The median household income is $64,731, the median home value is $221,500, and the median age is 37.7.

The population has grown 7.4% since 2010 (596,482 → 640,796).

627,210

Population

2384

People / sq mi

$64,731

Median Income

$221,500

Median Home Value

Louisville/Jefferson County covers 263.0 sq mi of land at 2384 people per square mile.

About Louisville/Jefferson County, KY

Louisville/Jefferson County is a city in Kentucky with a population of 627,210. It ranks #1 among cities in Kentucky by population. The median age is 37.7, younger than the national median. The population is 48.7% male and 51.3% female.

The median household income in Louisville/Jefferson County is $64,731, below the US median of $74,580. 11.9% of residents live below the federal poverty level. Home values sit at a median of $221,500, with monthly rent averaging $1,069. The homeownership rate of 60.6% is lower than the national rate of 64.8%.

Educational attainment in Louisville/Jefferson County reflects 33.4% of adults 25 and older holding a bachelor's degree or higher, near the national average of 34.3%. Roughly 11.6% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 22.7 minutes each way.

Louisville/Jefferson County metro government (balance) Population History (2010-2024)

The city of Louisville/Jefferson County metro government (balance) had a population of 596,482 in 2010 and 640,796 in 2024, a 7.4% growth over 14 years. The peak was 640,796 in 2024. Average annual growth rate: 0.52%.

2024 · 641K20102024

640,796

Population (2024)

596,482

Population (2010)

640,796

Peak (2024)

0.52%

Avg Annual Growth

YearPopulation
2010596,482
2011599,920
2012604,246
2013610,471
2014612,634
2015615,372
2016617,583
2017619,728
2018618,495
2019617,638
2020631,847
2021627,376
2022627,172
2023632,162
2024640,796

Race & Ethnicity

White63.1%
Black or African American23.7%
Asian0.0%
Hispanic or Latino (any race)1.3%
Two or More Races0.0%

Economy & Income

$64,731

Median Household Income

$38,890

Per Capita Income

11.9%

Poverty Rate

3.3%

Unemployment Rate

Housing

$221,500

Median Home Value

$1,069

Median Rent

60.6%

Owner-Occupied

Education

90.5%

High School+

33.4%

Bachelor's+

Commute

2.2%

Drive Alone

73.5%

Public Transit

11.6%

Work From Home

22.7 min

Avg Commute

Community Profile

23.3%

Foreign Born

87.4%

Non-English at Home

6.3%

Veterans

14.7%

With Disability

94.2%

Health Insurance

94.2%

Internet Access

Employment by Industry

Professional, Scientific & Management23.0%
Manufacturing12.9%
Finance, Insurance & Real Estate10.1%
Retail Trade9.9%
Education, Health Care & Social Services8.5%
Information7.5%
Construction5.1%
Arts, Entertainment & Food Services4.9%
Public Administration2.9%
Transportation & Warehousing1.6%
Agriculture & Mining0.2%

Largest cities in Kentucky

Largest counties in Kentucky

Part of Kentucky

Metro areas in Kentucky

City rankings

Common questions about Louisville/Jefferson County, KY

Frequently Asked Questions

Louisville/Jefferson County, Kentucky has a population of 627,210 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 29th-largest city in the United States and the 1st-largest in Kentucky.

The median household income in Louisville/Jefferson County, Kentucky is $64,731, with 11.9% of residents living below the federal poverty level.

The median home value in Louisville/Jefferson County, Kentucky is $221,500, with median monthly rent at $1,069 and a homeownership rate of 60.6%.

The median age in Louisville/Jefferson County, Kentucky is 37.7 years. The population is 48.7% male and 51.3% female.

The population has grown 7.4% since 2010 (596,482 → 640,796).

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.