Demographics · KY
Louisville, KY demographics: 783,022 residents, with a median age of 38.4 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
783,022people are estimated in Louisville, at a median age of 38.4 years (American Community Survey 2020–2024 period estimate)
Median age 38.4 years — younger than the U.S. median of 38.9.
ACS 2020–2024 5-year · ACS 5-Year Estimates 2020-2024 (released 2026-01-29)
In Louisville, the largest race group is White (63.1%); 8.6% of residents are Hispanic or Latino (of any race); 10.0% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
The estimated median age in Louisville is 38.4 years (±0.2), compared with the U.S. estimate of 38.9 ± 0.1 years. These are descriptive comparisons, not significance tests. The population is 48.7% ± 0.0 percentage points male and 51.3% ± 0.0 percentage points female. The largest age band is 5 to 17 at 16.2%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 47,804 | 6.1% ± 0.0 percentage points | ±17 |
| 5 to 17 | 126,472 | 16.2% ± 0.2 percentage points | ±1,917 |
| 18 to 24 | 65,701 | 8.4% ± 0.2 percentage points | ±1,428 |
| 25 to 34 | 114,853 | 14.7% ± 0.0 percentage points | ±57 |
| 35 to 44 | 102,771 | 13.1% ± 0.3 percentage points | ±2,080 |
| 45 to 54 | 92,327 | 11.8% ± 0.0 percentage points | ±40 |
| 55 to 64 | 98,777 | 12.6% ± 0.3 percentage points | ±2,111 |
| 65 to 74 | 81,577 | 10.4% ± 0.2 percentage points | ±1,840 |
| 75 and over | 52,740 | 6.7% ± 0.2 percentage points | ±1,443 |
Median age by sex: 37.2 (male) · 39.7 (female).
Shares may not sum to 100% due to rounding. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B01001 sex by age, B01002 median age) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B02001 / B03003
The largest race group in Louisville is White at 63.1% of the population. Separately, 8.6% of residents are Hispanic or Latino of any race.Race and Hispanic origin are two different questions on the census form, so their shares are reported separately and are not additive.
| Race (alone, or two or more) | People | Share | ± margin |
|---|---|---|---|
| White alone | 494,460 | 63.1% ± 0.2 percentage points | ±1,865 |
| Black or African American alone | 162,586 | 20.8% ± 0.3 percentage points | ±2,240 |
| American Indian & Alaska Native alone | 1,196 | 0.2% ± 0.0 percentage points | ±288 |
| Asian alone | 24,685 | 3.2% ± 0.1 percentage points | ±889 |
| Native Hawaiian & Pacific Islander alone | 309 | 0.0% ± 0.0 percentage points | ±105 |
| Some other race alone | 19,785 | 2.5% ± 0.2 percentage points | ±1,928 |
| Two or more races | 80,001 | 10.2% ± 0.4 percentage points | ±3,066 |
| Hispanic or Latino (of any race) | 67,277 | 8.6% ± 0.0 percentage points | n/a |
Race shares may not sum to 100% due to rounding; race and Hispanic origin are separate questions and are not additive. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B02001 race, B03003 Hispanic or Latino origin) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B11001 / B25010
Louisville has 331,554 households. 58.1% are family households and 34.6% are people living alone. The average household holds 2.32 people.
Total households
331,554
ACS 2020–2024 5-yr · B11001
Avg household size
2.32
ACS 2020–2024 5-yr · B25010 · ±0.01
Family households
58.1% ± 0.6 percentage points
Share of all households · B11001
Living alone
34.6% ± 0.7 percentage points
Share of all households · B11001
| Household type | Households | ± margin |
|---|---|---|
| Total households | 331,554 | ±1,638 |
| Family households | 192,587 | ±2,189 |
| Nonfamily households | 138,967 | ±2,320 |
| Householder living alone | 114,580 | ±2,354 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B11001 household type, B25010 average household size) · place-grain · methodology →
ACS 2020–2024 · B05002 / C16001
10.0% of Louisville residents were born outside the United States. 87.1% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (6.7%).
| Measure | Value | Source / grain |
|---|---|---|
| Foreign-born share | 10.0% ± 0.4 percentage points | 78,086 people · B05002 |
| Speak only English at home (age 5+) | 87.1% ± 0.4 percentage points | C16001 |
| Top non-English language at home | 6.7% ± 0.2 percentage points | Spanish · 49,606 speakers · C16001 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B05002 place of birth, C16001 language spoken at home) · place-grain · methodology →
ACS 2020–2024 · B15003
37.0% ± 0.6 percentage points of adults age 25 and over in Louisville hold a bachelor's degree or higher. The U.S. estimate is 35.7%.
| Measure | Value | Source / grain |
|---|---|---|
| Bachelor's degree or higher (age 25+) | 37.0% | B15003 lines 22–25 over line 1 · place-grain |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B15003 educational attainment, population 25+) · place-grain · methodology →
Sources · provenance
The GEOID for Louisville is 2148003. Every figure on this page is a place-grain American Community Survey 5-Year 2020–2024 estimate (ACS 5-Year Estimates 2020-2024 (released 2026-01-29)) shown with its margin of error. Full per-dataset detail: /sources/.