City · Kentucky
Jeffersontown, Kentucky
Jeffersontown, city, in Jefferson County, Kentucky. Jeffersontown had 29,193 residents on July 1, 2025 by the Census Bureau's estimate, down 0.3% since 2020; the 2020 Census counted 28,474 and the ACS 2020-2024 5-year estimates put it at 29,199 (±97). GEOID 2140222.
Residents, July 2025 estimate
29,193
Census Bureau estimate (no margin published)
2020 Census count: 28,474 · ACS 2020-2024: 29,199 ±97
Median household income
$81,506
±$7,407 (90% margin)
Kentucky: $63,726
Median home value
$250,700
±$9,953 (90% margin)
Kentucky: $205,600
Median gross rent
$1,320
±$61 (90% margin)
Kentucky: $967
Where is Jeffersontown and what county is it in?
Jeffersontown is a city in Jefferson County, Kentucky. It covers 10.7 square miles of land, 2,670 residents per square mile in 2020.
Jeffersontown is in the Louisville/Jefferson County, KY-IN metropolitan statistical area, which takes in 12 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Jeffersontown, and is it growing?
The Census Bureau estimates that 29,193 people lived in Jeffersontown on July 1, 2025, down 0.3% since 2020, while Kentucky grew 2.2%. The 2020 Census counted 28,474 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 29,199 (±97).
| Measure | Jeffersontown | Jefferson County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 29,199 ±97 | 783,022 | +1,164 |
| Households | 12,479 ±525 | 331,554 | +1,422 |
| Average household size | 2.32 ±0.10 | 2.32 | −0.20 |
| Housing units | 13,040 ±458 | 359,710 | +1,450 |
Jeffersontown's population since 2000
From 26,633 in 2000 to 29,193 in 2025: up 9.6%. The 2000, 2010 and 2020 figures are census counts, each for Jeffersontown as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Jeffersontown?
The median resident of Jeffersontown is 40.5 years old; 23.1% are under 18 and 21.9% are 65 or older. The largest group is non-Hispanic white residents at 72.6%, then non-Hispanic Black residents at 13.9%. 8.7% of residents were born outside the United States.
| Measure | Jeffersontown | Jefferson County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 40.5 ±2.3 | 38.4 | no clear change |
| Under 18 years | 23.1% ±2.6 pts | 22.3% | – |
| 65 years and over | 21.9% ±2.5 pts | 17.2% | – |
| Male | 46.9% ±2.1 pts | 48.7% | – |
| Hispanic or Latino (any race) | 6.1% ±2.0 pts | 8.6% | no clear change |
| White alone, not Hispanic | 72.6% ±3.3 pts | 62.0% | no clear change |
| Black or African American alone, not Hispanic | 13.9% ±3.2 pts | 20.6% | no clear change |
| Asian alone, not Hispanic | 3.3% ±1.2 pts | 3.1% | −2.7 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.9% ±1.1 pts | 5.2% | – |
| Some other race alone, not Hispanic | 0.1% ±0.1 pts | 0.4% | – |
| Born outside the United States | 8.7% ±2.0 pts | 10.0% | no clear change |
| Speak a language other than English at home (age 5+) | 10.0% ±2.3 pts | 12.9% | – |
| Civilian veterans (age 18+) | 8.3% ±1.7 pts | 6.2% | – |
| With a disability | 12.7% ±2.2 pts | 14.4% | – |
| No health insurance coverage | 4.5% ±1.5 pts | 5.7% | no clear change |
| High school graduate or higher (age 25+) | 95.1% ±1.3 pts | 91.3% | – |
| Bachelor's degree or higher (age 25+) | 39.8% ±3.4 pts | 37.0% | no clear change |
| Graduate or professional degree (age 25+) | 16.2% ±2.0 pts | 15.5% | – |
| Lived in the same house a year earlier | 89.7% ±2.6 pts | 86.4% | – |
| Moved from another state in the past year | 3.6% ±2.2 pts | 2.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Jeffersontown earn?
Half of Jeffersontown's 12,479 households earn less than $81,506 a year (±$7,407), against $69,866 in Jefferson County and $63,726 in Kentucky. In 2015-2019 it was $84,675 in 2024 dollars; the margins of error cannot tell the two periods apart. 6.5% of residents live below the poverty line.
| Measure | Jeffersontown | Jefferson County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $81,506 ±$7,407 | $69,866 | no clear change |
| Mean household income | $97,432 ±$4,686 | $97,866 | – |
| Per capita income | $41,471 ±$2,351 | $42,087 | no clear change |
| People below the poverty line | 6.5% ±1.8 pts | 14.3% | no clear change |
| Children under 18 below the poverty line | 7.6% ±5.0 pts | 19.8% | no clear change |
| Households receiving SNAP | 4.1% ±1.3 pts | 11.0% | – |
| Households with a computer | 96.2% ±1.6 pts | 94.9% | – |
| Households with a broadband subscription | 93.7% ±1.8 pts | 90.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Jeffersontown?
Owners occupy 70.1% of Jeffersontown's occupied homes and renters 29.9%. The median owner-occupied home is valued at $250,700 by its owner (±$9,953). The median renter pays $1,320 a month including utilities, and 31.4% of renters pay 35% or more of their income on rent.
| Measure | Jeffersontown | Jefferson County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $250,700 ±$9,953 | $248,400 | +$27,329 |
| Median gross rent | $1,320 ±$61 | $1,149 | +$113 |
| Renters paying 35% or more of income on rent | 31.4% ±6.8 pts | 38.5% | no clear change |
| Median monthly owner costs, with a mortgage | $1,601 ±$64 | $1,593 | – |
| Owner-occupied homes | 70.1% ±4.0 pts | 62.1% | no clear change |
| Renter-occupied homes | 29.9% ±4.0 pts | 37.9% | – |
| Housing units | 13,040 ±458 | 359,710 | +1,450 |
| Homeowner vacancy rate | 1.2% ±1.1 pts | 0.9% | – |
| Rental vacancy rate | 1.7% ±2.1 pts | 6.3% | – |
| Single-family detached homes | 68.2% ±3.2 pts | 64.0% | – |
| Mobile homes | 0.1% ±0.2 pts | 1.2% | – |
| Built 2020 or later | 1.9% ±1.0 pts | 1.5% | – |
| Built 2010 to 2019 | 4.6% ±1.4 pts | 7.7% | – |
| Built 1939 or earlier | 2.5% ±1.6 pts | 13.5% | – |
| Households with no vehicle | 4.7% ±2.6 pts | 8.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Jeffersontown building?
Builders took permits for 14 new housing units in Jeffersontown in 2025 (14 in single-family houses), 0.5 per 1,000 residents against 3.2 across Kentucky.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Jeffersontown work and get to work?
72.4% of Jeffersontown's workers drive alone and 15.0% work from home. The average trip to work takes 21.5 minutes. The unemployment rate in 2020-2024 averaged 2.8%.
| Measure | Jeffersontown | Jefferson County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 63.4% ±2.7 pts | 65.5% | – |
| Unemployment rate | 2.8% ±1.0 pts | 5.2% | no clear change |
| Drove alone to work | 72.4% ±4.1 pts | 72.4% | – |
| Carpooled | 10.3% ±3.0 pts | 8.4% | – |
| Public transportation | 0.6% ±0.5 pts | 1.5% | – |
| Walked | 0.6% ±0.4 pts | 1.7% | – |
| Worked from home | 15.0% ±2.5 pts | 14.2% | +8.4 pts |
| Mean travel time to work | 21.5 min ±1.2 | 22.2 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Jeffersontown?
8 census tracts lie mostly in Jeffersontown, and 8 more reach into it (2020 census blocks). Their median household incomes run from $61,714 (Tract 111.17) to $97,890 (Tract 107.07).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 111.10Jefferson County | 6,247 | $85,757 |
| Tract 111.17Jefferson County | 3,252 | $61,714 |
| Tract 111.18Jefferson County | 3,774 | $90,754 |
| Tract 107.07Jefferson County | 3,596 | $97,890 |
| Tract 115.17Jefferson County | 5,103 | $97,149 |
| Tract 111.15Jefferson County | 3,595 | $90,156 |
| Tract 111.12Jefferson County | 3,322 | $91,583 |
| Tract 111.16Jefferson County | 3,897 | $72,508 |
| Tract 107.08Jefferson County | 2,687 | $82,184 |
| Tract 111.09Jefferson County | 2,648 | $68,438 |
| Tract 111.13Jefferson County | 2,927 | $76,682 |
| Tract 111.11Jefferson County | 5,039 | $93,833 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Jeffersontown) · Census block assignment files
How does Jeffersontown compare with other places in Kentucky?
By the Census Bureau's July 2025 estimates, Jeffersontown is the 1,384th-most populous of the 19,476 U.S. incorporated places that have one and the 13th-most populous of 418 in Kentucky.
Jeffersontown ranks 50th of 230 places in Kentucky with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 13th | 418 |
| Growth 2020-2025 (PEP) | 132nd | 204 |
| Residents per square mile | 28th | 232 |
| Median household income | 50th | 230 |
| Per capita income | 49th | 232 |
| Median home value | 54th | 225 |
| Median gross rent | 29th | 217 |
| Poverty rate | 191st | 203 |
| Bachelor's degree or higher | 47th | 223 |
| Median age | 82nd | 232 |
| Owner-occupied share | 73rd | 229 |
| Work from home | 40th | 130 |
| Travel time to work | 127th | 232 |
Jeffersontown's figures with every place in Kentucky (CSV)
Every place in Kentucky, sortable · Compare Jeffersontown with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Jeffersontown?
8 of the 57 figures for Jeffersontown on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Jeffersontown are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Jeffersontown.