CensusEasy
COUNTY

Jefferson County

Kentucky · 795,222 residents (2025 est.) · 380.83 sq mi
Time machine
COMPARE TO
Part of the Louisville/Jefferson County metro government metro area
Compare
Notable rankings
#68Most densely populatedof 3,1442,088#83Largest by populationof 3,144795,222
The short version

Jefferson County has lower-than-average household income, with a median household income of $69,866. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $248,400.

At a glance
Lower income
below the US median
US median: $82,259
Mid-age
median age 38.4
US median: 38.9
Average education
37% hold a bachelor's degree
US average: 36%
Less affordable
home values up 35%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
783,022
+13%since 2000
from 693,604 in 2000
1990 – 2025
Population density
2,056 / sq mi
+10%since 2009
from 1,868 / sq mi in 2009
US average: 281
Median age
38.4
+5%since 2000
from 36.7 in 2000
US average: 38.9

PEP 2025 EST:795,222 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
653K689K724K759K795K1990201020202024Jefferson County
2024783K
1990201020202024
Age distribution, 2024
Under 56.1%(47,804)
US avg: 5.6%
5 to 95.8%(45,798)
US avg: 6%
10 to 146.5%(50,819)
US avg: 6.4%
15 to 196.1%(47,458)
US avg: 6.6%
20 to 246.1%(48,098)
US avg: 6.5%
25 to 3414.7%(114,853)
US avg: 13.7%
35 to 4413.1%(102,771)
US avg: 13.2%
45 to 5411.8%(92,327)
US avg: 12.2%
55 to 6412.6%(98,777)
US avg: 12.7%
65 to 7410.4%(81,577)
US avg: 10.2%
75 to 844.9%(38,361)
US avg: 5.1%
85 and over1.8%(14,379)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$69,866
−3%inflation adjusted, since 2000
from $39,457 in 2000
US average: $82,259
1990 – 2024
Per capita income
$42,087
+88%since 2000
from $22,352 in 2000
US average: $44,673
Households earning $100K+
46.6%
+19.3 ptssince 2009
from 27.3% in 2009
US average: 53.3%
Poverty rate
14.3%
+1.9 ptssince 2000
from 12.4% in 2000
US average: 12.5%
Income inequality (Gini)
0.481
+2%since 2010
from 0.470 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade12.3%
US avg: 9.9%
Information10.5%
US avg: 10.8%
Finance & insurance9.4%
US avg: 5.9%
Professional, scientific, technical8.6%
US avg: 5.1%
Other services8.1%
US avg: 6.7%
Public administration6.2%
US avg: 4.8%
Wholesale trade4.8%
US avg: 6.9%
Transportation & warehousing2.4%
US avg: 2.2%
Arts, entertainment, food1.7%
US avg: 1.9%
Education & health services0.8%
US avg: 0.9%
Agriculture, forestry, fishing0.2%
US avg: 1.6%
Construction0.2%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$248,400
+35%inflation adjusted, since 2000
from $100,800 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,149
+28%inflation adjusted, since 2000
from $494 in 2000
US average: $1,442
Owner-occupied
62.1%
−2.8 ptssince 2000
from 64.9% in 2000
37.9% rent
Vacancy rate
7.8%
−2.2 ptssince 2009
from 10.1% in 2009
US average: 10.0%
Owner cost-burdened
20.1%
−3.8 ptssince 2009
from 23.9% in 2009
US average: 22.9%
Renter cost-burdened
44.2%
−0.2 ptssince 2009
from 44.4% in 2009
US average: 47.4%
Afford Score
3.6
+12%since 2009
from 3.2 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
62
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Jefferson County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic76.4%(530,056)
Black18.7%(130,003)
Hispanic / Latino1.8%(12,370)
Asian1.4%(9,562)
Other0%
2024
White, non-Hispanic62%(485,189)
Black20.6%(160,926)
Hispanic / Latino8.6%(67,277)
Asian3.1%(24,557)
Other5.8%(45,073)
Diversity Score
70
+34%since 2009
from 53 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
39
−8%since 2020
from 42 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Cuban3.4%(26,323)
Mexican2.7%(21,016)
Central American0.9%(6,848)
Puerto Rican0.5%(4,183)
South American0.5%(4,151)
Guatemalan0.4%(3,275)
Honduran0.3%(2,412)
Colombian0.2%(1,268)
Spaniard0.1%(1,158)
Venezuelan0.1%(1,055)
Peruvian0.1%(950)
Dominican0.1%(705)
+ 9 more hispanic origin groups with data
Panamanian0.1%(437)
Nicaraguan0%(340)
Salvadoran0%(311)
Argentine0%(292)
Chilean0%(274)
Bolivian0%(139)
Ecuadorian0%(133)
Asian origin
Asian Indian1%(7,654)
Vietnamese0.5%(3,564)
Filipino0.3%(2,365)
Chinese0.2%(1,855)
Korean0.2%(1,788)
Nepalese0.2%(1,565)
Burmese0.2%(1,503)
Pakistani0.1%(875)
Japanese0.1%(435)
Bhutanese0.1%(394)
Cambodian0%(353)
Kazakh0%(278)
+ 8 more asian origin groups with data
Sri Lankan0%(178)
Laotian0%(146)
Taiwanese0%(134)
Thai0%(59)
Hmong0%(6)
Pacific Islander origin
Samoan0%(182)
Chamorro0%(73)
Fijian0%(10)
Ancestry
German15.6%(122,191)
English12%(94,030)
Irish12%(93,820)
American5.7%(44,385)
Subsaharan African3.1%(24,032)
Italian2.7%(20,771)
Scottish1.8%(14,477)
French1.6%(12,401)
Polish1.1%(8,726)
Scotch-Irish0.9%(7,270)
Arab0.8%(6,408)
Dutch0.7%(5,748)
+ 51 more ancestry groups with data
Welsh0.5%(4,260)
Swedish0.5%(3,965)
West Indian0.5%(3,584)
British0.4%(3,087)
Norwegian0.4%(2,919)
Russian0.3%(2,494)
Swiss0.3%(2,307)
Jamaican0.2%(1,542)
Portuguese0.2%(1,323)
Somali0.2%(1,316)
Moroccan0.2%(1,299)
Hungarian0.2%(1,290)
Haitian0.2%(1,281)
Nigerian0.2%(1,271)
Lebanese0.2%(1,187)
French Canadian0.1%(1,134)
Iraqi0.1%(1,124)
Lithuanian0.1%(1,124)
Czech0.1%(1,121)
Canadian0.1%(1,031)
Ukrainian0.1%(998)
Greek0.1%(945)
Croatian0.1%(815)
Ethiopian0.1%(776)
Austrian0.1%(756)
Iranian0.1%(752)
Danish0.1%(745)
Slovak0.1%(715)
Belgian0.1%(515)
Turkish0.1%(480)
Latvian0.1%(448)
Finnish0.1%(394)
Syrian0%(344)
Kenyan0%(338)
Serbian0%(276)
Barbadian0%(259)
Egyptian0%(251)
Romanian0%(240)
Jordanian0%(207)
Brazilian0%(205)
Slovene0%(194)
Ghanaian0%(148)
Bulgarian0%(118)
Armenian0%(102)
Israeli0%(92)
Guyanese0%(88)
RANKED:Largest German population · Largest English population · Largest Irish population · Largest American population · Largest Cuban population
Section 05

Education

Bachelor's degree or higher
37.0%
+12.2 ptssince 2000
from 24.8% in 2000
US average: 35.6%
High school or higher
91.3%
+9.4 ptssince 2000
from 81.8% in 2000
US average: 89.6%
Graduate degree
15.5%
+5.9 ptssince 2000
from 9.6% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
22.2 min
+70%since 2000
from 13.1 min in 2000
US average: 26.5
Drive alone to work
72.4%
−9.4 ptssince 2009
from 81.8% in 2009
US average: 68.9%
Carpooled to work
8.4%
−0.9 ptssince 2009
from 9.3% in 2009
US average: 8.5%
Public transit
1.5%
−1.8 ptssince 2009
from 3.3% in 2009
US average: 3.2%
Worked from home
14.2%
+11.6 ptssince 2009
from 2.6% in 2009
US average: 15.0%
Walked to work
1.7%
−0.2 ptssince 2009
from 1.9% in 2009
US average: 2.4%
Biked to work
0.3%
−0.1 ptssince 2009
from 0.3% in 2009
US average: 0.4%
No vehicle available
8.7%
−1.0 ptssince 2009
from 9.8% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
5.2%
−4.3 ptssince 2011
from 9.5% in 2011
US average: 5.2%
Labor force participation
65.5%
−0.7 ptssince 2011
from 66.2% in 2011
US average: 63.5%
Self-employed
10.8%
−0.2 ptssince 2009
from 11.1% in 2009
US average: 13.1%
Management & professional
41.3%
−23.7 ptssince 2009
from 65.0% in 2009
US average: 42.5%
Section 08

People & community

Male
48.7%
+0.6 ptssince 2009
from 48.0% in 2009
Female
51.3%
−0.6 ptssince 2009
from 52.0% in 2009
Foreign born
10.0%
+4.8 ptssince 2009
from 5.1% in 2009
US average: 14.1%
Veterans
6.2%
−40.8 ptssince 2009
from 47.0% in 2009
US average: 6.2%
With a disability
14.4%
−0.1 ptssince 2012
from 14.5% in 2012
US average: 13.3%
Uninsured
5.7%
−81.1 ptssince 2013
from 86.8% in 2013
US average: 8.4%
Broadband at home
90.9%
+13.2 ptssince 2017
from 77.7% in 2017
US average: 91.0%
English only at home
87.1%
−4.2 ptssince 2016
from 91.3% in 2016
US average: 77.7%
Spanish at home
6.7%
+2.9 ptssince 2016
from 3.9% in 2016
US average: 13.6%
Marital status
Men 15+
Never married39%(119,679)
Married46.8%(143,788)
Widowed3.1%(9,423)
Divorced11.1%(34,216)
Women 15+
Never married33.7%(111,831)
Married43.1%(142,745)
Widowed9%(29,823)
Divorced14.2%(47,096)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to Jefferson County

Jackson County
Pop 732,994
Oklahoma County
Pop 822,125
Hamilton County
Pop 838,418
Tulsa County
Pop 698,782
Places similar to Jefferson County
Head to head

Compare Jefferson County to nearby counties

JEFFERSON COUNTY VS
Bullitt County
Income$80,558+15%
Home value$247,200same
Population86,454−89%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Floyd County
Income$79,704+14%
Home value$251,000+1%
Population82,153−90%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Oldham County
Income$122,497+75%
Home value$393,100+58%
Population70,986−91%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Clark County
Income$74,214+6%
Home value$222,900−10%
Population130,451−84%
SEE FULL COMPARISON →
Frequently asked

How many people live in Jefferson County, Kentucky?

Jefferson County, Kentucky has about 783,022 residents according to the 2024 American Community Survey.

What is the median household income in Jefferson County, Kentucky?

The typical household in Jefferson County, Kentucky earns about $69,866 a year. Half of households make more than that, and half make less.

Is Jefferson County, Kentucky expensive?

In Jefferson County, Kentucky, the median home is worth about $248,400, and the typical rent is about $1,149 a month.

How educated are people in Jefferson County, Kentucky?

About 37.0% of adults age 25 and over in Jefferson County, Kentucky hold a bachelor's degree or higher.

What is the poverty rate in Jefferson County, Kentucky?

About 14.3% of people in Jefferson County, Kentucky live below the federal poverty line.

Has Jefferson County, Kentucky grown since 1990?

Yes, Jefferson County, Kentucky has grown since 1990. The population has added about 118,085 residents, a change of about 18 percent over that period.

Keep going

Explore from here

216 census tracts (top 20 by population)
Census Tract 113.02Census Tract 117.09Census Tract 116.05Census Tract 110.03Census Tract 117.11Census Tract 103.14Census Tract 103.21Census Tract 103.16Census Tract 126.04Census Tract 115.08Census Tract 103.13Census Tract 75.01Census Tract 124.06Census Tract 111.10Census Tract 117.08Census Tract 122.03Census Tract 114.06Census Tract 115.19Census Tract 104.06Census Tract 117.07
38 ZIP codes (top 30 by population)
ZIP 40214ZIP 40216ZIP 40299ZIP 40229ZIP 40291ZIP 40219ZIP 40245ZIP 40272ZIP 40220ZIP 40218ZIP 40241ZIP 40207ZIP 40258ZIP 40205ZIP 40223ZIP 40222ZIP 40215ZIP 40211ZIP 40206ZIP 40228ZIP 40203ZIP 40213ZIP 40208ZIP 40212ZIP 40204ZIP 40210ZIP 40243ZIP 40217ZIP 40242ZIP 40118
Up the hierarchy
All counties in Kentucky
Rankings
Highest income countiesLowest poverty counties

DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →