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
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Louisville/Jefferson County covers 263.0 sq mi of land at 2384 people per square mile.
About Louisville/Jefferson County, KY
The poverty rate is what most separates Louisville/Jefferson County from the typical city: 11.9% of residents live below the federal poverty line, against 12.4% nationally. Louisville/Jefferson County is a city in Kentucky with a population of 627,210. It is the #1-largest of all cities in Kentucky nationally.
Median household income is $64,731, below the US median of $78,538. The poverty rate is 11.9%, close to the national 12.4%. Property is affordable here, the median home worth $221,500, with typical rent around $1,069.
Roughly 33.4% of adults have a bachelor’s, near the national 35.0%. Remote work is below the national 14.0% at 11.6%, and the average commute runs about 23 minutes each way.
The elevated poverty rate is the context for the rest of the profile in Louisville/Jefferson County: it pulls on median income, housing tenure, and the share of residents with a college degree.
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%.
640,796
Population (2024)
596,482
Population (2010)
640,796
Peak (2024)
0.52%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 596,482 |
| 2011 | 599,920 |
| 2012 | 604,246 |
| 2013 | 610,471 |
| 2014 | 612,634 |
| 2015 | 615,372 |
| 2016 | 617,583 |
| 2017 | 619,728 |
| 2018 | 618,495 |
| 2019 | 617,638 |
| 2020 | 631,847 |
| 2021 | 627,376 |
| 2022 | 627,172 |
| 2023 | 632,162 |
| 2024 | 640,796 |
Race & Ethnicity
| White | 63.1% |
| Black or African American | 23.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
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 & Management | 23.0% |
| Manufacturing | 12.9% |
| Finance, Insurance & Real Estate | 10.1% |
| Retail Trade | 9.9% |
| Education, Health Care & Social Services | 8.5% |
| Information | 7.5% |
| Construction | 5.1% |
| Arts, Entertainment & Food Services | 4.9% |
| Public Administration | 2.9% |
| Transportation & Warehousing | 1.6% |
| Agriculture & Mining | 0.2% |
Largest cities in Kentucky
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Part of Kentucky
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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).
Where to stay in Louisville/Jefferson County
Visiting or relocating to Louisville/Jefferson County, KY? Compare hotels and short-term rentals across the metro — live availability and prices.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.