8th most populous of 120
With 99,582 residents in 2024, Madison County ranks 8th by population among Kentucky's 120 counties and is home to 2.2% of the state's residents.

Madison County has the 4th youngest population in Kentucky (median age 34.7) and the 7th lowest homeownership rate (62.0%).
Madison County is home to 99,582 people (2024 estimate) on 438 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 | 99,582 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 82,916 | 2010 · U.S. Census Bureau |
| Population, 2000 | 71,309 | July 1, 2000 · Census intercensal |
| Change since 2000 | +39.6% | 2000–2024 · Census |
| International migration | +258 | 2024 · Census Vintage 2024 |
| Domestic migration | +1,626 | 2024 · Census Vintage 2024 |
| Birth rate | 10.4 per 1,000 | 2024 · calculated |
| Death rate | 9.4 per 1,000 | 2024 · calculated |
| Population rank in Kentucky | 8th of 120 | 2024 · calculated |
| Per capita personal income | $49,437 | BEA, 2024 · official |
| Gross domestic product | $4.4 billion | BEA, current dollars, 2024 · official |
| Median household income | $63,351 | ACS 2020–2024 5-year · official |
| Poverty rate | 15.1% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 34.4% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 2.4% | ACS 2020–2024 5-year · official |
| Median home value | $232,000 | ACS 2020–2024 5-year · official |
| Median gross rent | $889/month | ACS 2020–2024 5-year · official |
| Median age | 34.7 years | ACS 2020–2024 5-year · official |
| Households | 37,051 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 62.0% | ACS 2020–2024 5-year · official |
Comparable indicators for Madison County, Kentucky and the United States.
| Indicator | County | Kentucky | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | +7.4% | +1.8% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 10.4 | 11.4 | 10.6 | 2024 |
| Death rate (per 1,000) | 9.4 | 11.6 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 18.9 | 8.4 | 8.2 | 2024 |
| Population density (/mi²) | 227.4 | 116.2 | 96.3 | 2024 |
| Per capita personal income | $49,437 | $58,256 | $73,204 | BEA, 2024 |
| Median household income | $63,351 | $63,726 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 15.1% | 16.1% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 34.4% | 27.6% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 2.4% | 4.7% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $232,000 | $205,600 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $889/month | $967/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 34.7 years | 39.1 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 62.0% | 68.3% | 65.2% | ACS 2020–2024 5-year |
With 99,582 residents in 2024, Madison County ranks 8th by population among Kentucky's 120 counties and is home to 2.2% of the state's residents.
Its population went from 71,309 in 2000 to 99,582 in 2024, a change of +39.6%, compared with +13.3% for Kentucky as a whole.
In the year to July 2024 the county recorded 1,031 births and 939 deaths, so births outnumbered deaths by 92.
Annual Census estimates since 2000 put the county's highest population in 2024, at 99,582.
Madison County has about 227.4 residents per square mile of land, ranking 14th of 120 counties; Kentucky averages 116.2.
With a median household income of $63,351 (ACS 2020–2024 5-year), the county ranks 34th of 120 Kentucky counties; the state median is $63,726.
Its economy produced $4.4 billion of GDP in 2024 (BEA), 13th largest among 120 Kentucky counties.
Real GDP grew 5.4% in 2024, adjusted for inflation (BEA, chained 2017 dollars).