Jeffersontown, Kentucky Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Jeffersontown, KY Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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B
Income Around average
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A
Education Above average
Source: Map AI Methodology
Population
| Metric | Jeffersontown | Kentucky Avg | U.S. Average |
|---|---|---|---|
| Population | 27,252 | 4,533,530 | 337,468,954 |
| Population density (per sq mi) | 2546.7 | 112.2 | 86.4 |
| Population growth (%/yr) | 0.30% | 0.33% | 0.59% |
| Median age | 41.3 | 37.5 | 37.3 |
| Households | 11,920 | 1,813,524 | 130,235,071 |
Population in Jeffersontown grew by 5.8% from 2009 to 2024, reaching 27,252 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Jeffersontown is Millennials, aged 29–44, at 22.9% of residents. That is 2.0 points above Kentucky as a whole.
- Gen Z 13–28 5,185 19.0% -2.3 pts
- Millennials 29–44 6,249 22.9% +2.0 pts
- Gen X 45–60 5,114 18.8% -1.3 pts
- Boomers 61–79 4,986 18.3% +0.5 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Kentucky, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 51.4% of the people living in Jeffersontown and men 48.6%.
- Women 51.4% Kentucky 50.5%
- Men 48.6% Kentucky 49.5%
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Economy
Jeffersontown has a the economy index of B, which means it is quite prosperous.
| Metric | Jeffersontown | Kentucky Avg | U.S. Average |
|---|---|---|---|
| Median household income | $83,325 | $64,312 | $80,455 |
| Income growth (%/yr) | 3.10% | 4.62% | 4.80% |
| Unemployment rate | 3.1% | 4.8% | 5.2% |
The median household income in Jeffersontown is about 30% higher than in Kentucky.
Housing
| Metric | Jeffersontown | Kentucky Avg | U.S. Average |
|---|---|---|---|
| Median home price | $42,577 | $118,017 | $248,835 |
| Median rent | $1,352 | $967 | $1,407 |
| Homeownership rate | 68.4% | 68.3% | 65.2% |
The median home price in Jeffersontown is about 2.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,352 per month for that long.
Commute Time & Mobility
Commuters in Jeffersontown spend about 43 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 177 hours, about 7.4 full days, spent commuting.
| Metric | Jeffersontown | Kentucky Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 21.3 | 20.8 | 22.4 |
| Round-trip commute (min) | 42.6 | 41.6 | 44.8 |
| Yearly time spent (hours) | 177 | 173 | 187 |
| Estimated yearly cost | $5,501 | $5,369 | $5,790 |
| Work from home | 16.7% | 10.2% | 15.0% |
| Highway traffic (vehicles/day) | 27,438 | 6,995 | 8,813 |
| Local road traffic (vehicles/day) | 3,992 | 832 | 1,355 |
The average commute time in Jeffersontown is about the same as in Kentucky.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Jeffersontown has a education index of A, which means it is very educated.
| Metric | Jeffersontown | Kentucky Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 37.4% | 24.5% | 31.6% |
| Average household size | 2.27 | 2.43 | 2.53 |
Health
Jeffersontown has a health index of B, which means it is quite healthy.
| Metric | Jeffersontown | Kentucky Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 78.5 | 75.0 | 78.3 |
| Self-rated poor health | 13.7% | 23.2% | 16.3% |
| Smokers | 15.5% | 26.0% | 19.0% |
Frequently Asked Questions
Common questions about Jeffersontown, Kentucky.
What is the population of Jeffersontown, Kentucky?
About 27,252 people live in Jeffersontown, Kentucky, in 11,920 households of 2.3 people on average. The median age is 41.3, so residents are older than the U.S. median of 37.3 by about 4 years.
Is Jeffersontown, Kentucky urban or rural?
Averaged over its land area, Jeffersontown, Kentucky has 2,547 people per square mile, a density typical of urban and suburban areas. That is about 29 times the U.S. average of 86.
Is Jeffersontown, Kentucky an affordable place to live?
The median home costs 0.5 times the median household income ($42,577 against $83,325), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,352 a month takes about 19% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is it hard to find a job in Jeffersontown, Kentucky?
Unemployment in Jeffersontown, Kentucky is only 3.1%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
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