4th most populous of 120
With 147,936 residents in 2024, Warren County ranks 4th by population among Kentucky's 120 counties and is home to 3.2% of the state's residents.

Warren County has the 2nd largest immigrant share in Kentucky (10.4% foreign-born) and the 3rd youngest population (median age 33.3).
Warren County is home to 147,936 people (2024 estimate) on 542 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 147,936 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 113,792 | 2010 · U.S. Census Bureau |
| Population, 2000 | 92,917 | July 1, 2000 · Census intercensal |
| Change since 2000 | +59.2% | 2000–2024 · Census |
| International migration | +2,190 | 2024 · Census Vintage 2024 |
| Domestic migration | +1,093 | 2024 · Census Vintage 2024 |
| Birth rate | 13.1 per 1,000 | 2024 · calculated |
| Death rate | 8.3 per 1,000 | 2024 · calculated |
| Population rank in Kentucky | 4th of 120 | 2024 · calculated |
| Per capita personal income | $49,863 | BEA, 2024 · official |
| Gross domestic product | $11.1 billion | BEA, current dollars, 2024 · official |
| Median household income | $65,794 | ACS 2020–2024 5-year · official |
| Poverty rate | 17.0% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 32.3% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 10.4% | ACS 2020–2024 5-year · official |
| Median home value | $258,000 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,002/month | ACS 2020–2024 5-year · official |
| Median age | 33.3 years | ACS 2020–2024 5-year · official |
| Households | 55,643 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 55.6% | ACS 2020–2024 5-year · official |
Comparable indicators for Warren County, Kentucky and the United States.
| Indicator | County | Kentucky | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | +9.9% | +1.8% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 13.1 | 11.4 | 10.6 | 2024 |
| Death rate (per 1,000) | 8.3 | 11.6 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 22.2 | 8.4 | 8.2 | 2024 |
| Population density (/mi²) | 273.1 | 116.2 | 96.3 | 2024 |
| Per capita personal income | $49,863 | $58,256 | $73,204 | BEA, 2024 |
| Median household income | $65,794 | $63,726 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 17.0% | 16.1% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 32.3% | 27.6% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 10.4% | 4.7% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $258,000 | $205,600 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,002/month | $967/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 33.3 years | 39.1 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 55.6% | 68.3% | 65.2% | ACS 2020–2024 5-year |
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With 147,936 residents in 2024, Warren County ranks 4th by population among Kentucky's 120 counties and is home to 3.2% of the state's residents.
Its population went from 92,917 in 2000 to 147,936 in 2024, a change of +59.2%, compared with +13.3% for Kentucky as a whole.
In the year to July 2024 the county recorded 1,944 births and 1,224 deaths, so births outnumbered deaths by 720.
Annual Census estimates since 2000 put the county's highest population in 2024, at 147,936.
Warren County has about 273.1 residents per square mile of land, ranking 10th of 120 counties; Kentucky averages 116.2.
With a median household income of $65,794 (ACS 2020–2024 5-year), the county ranks 25th of 120 Kentucky counties; the state median is $63,726.
Its economy produced $11.1 billion of GDP in 2024 (BEA), 5th largest among 120 Kentucky counties.
Real GDP grew 6.5% in 2024, adjusted for inflation (BEA, chained 2017 dollars).