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COUNTY · 2000 CENSUS

Jefferson County

Kentucky · 693,604 residents · 380.83 sq mi
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The short version

Jefferson County has roughly average household income, with a median household income of $39,457. Population has held roughly steady since 1990. Median home value has risen by half since 1990, reaching $100,800.

At a glance
Lower income
below the US median
US median: $42,589
Mid-age
median age 36.7
US median: 35.2
Average education
25% hold a bachelor's degree
US average: 24%
Less affordable
home values up 36%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
693,604
+4%since 1990
from 664,937 in 1990
1990 – 2025
Population density
1,821 / sq mi
+4%since 1990
from 1,746 / sq mi in 1990
US average: 242
Median age
36.7
+7%since 1990
from 34.2 in 1990
US average: 35.2
Population, 1990 – 2024
653K689K724K759K795K1990201020202024Jefferson County
2024783K
1990201020202024
Section 02

Income & economy

Median household income
$39,457
+11%inflation adjusted, since 1990
from $27,092 in 1990
US average: $42,589
1990 – 2024
Per capita income
$22,352
+59%since 1990
from $14,067 in 1990
US average: $21,522
Poverty rate
12.4%
−1.4 ptssince 1990
from 13.7% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$100,800
+36%inflation adjusted, since 1990
from $56,300 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$494
+8%inflation adjusted, since 1990
from $346 in 1990
US average: $602
Owner-occupied
64.9%
+0.4 ptssince 1990
from 64.5% in 1990
35.1% rent
Afford Score
2.6
+23%since 1990
from 2.1 in 1990
1990 – 2024
RELATED:See current rent listings in Jefferson County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic81.9%(544,401)
Black17%(113,280)
Hispanic / Latino0.6%(3,732)
Asian0.7%(4,849)
Diversity Score38.5%(256,294)
2000
White, non-Hispanic76.4%(530,056)
Black18.7%(130,003)
Hispanic / Latino1.8%(12,370)
Asian1.4%(9,562)
Diversity Score44.9%(311,314)
Diversity Score
45
+16%since 1990
from 39 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
24.8%
+5.5 ptssince 1990
from 19.3% in 1990
US average: 24.4%
High school or higher
81.8%
+7.7 ptssince 1990
from 74.1% in 1990
US average: 80.3%
Graduate degree
9.6%
+2.1 ptssince 1990
from 7.5% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
13.1 min
−32%since 1990
from 19.3 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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+104%
Home value$247,200+145%
Population86,454−89%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Floyd County
Income$79,704+102%
Home value$251,000+149%
Population82,153−90%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Oldham County
Income$122,497+210%
Home value$393,100+290%
Population70,986−91%
SEE FULL COMPARISON →
JEFFERSON COUNTY VS
Clark County
Income$74,214+88%
Home value$222,900+121%
Population130,451−84%
SEE FULL COMPARISON →
Frequently asked

How many people live in Jefferson County, Kentucky?

Jefferson County, Kentucky has about 693,604 residents according to the 2000 Census.

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

The typical household in Jefferson County, Kentucky earns about $39,457 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 $100,800, and the typical rent is about $494 a month.

How educated are people in Jefferson County, Kentucky?

About 24.8% 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 12.4% 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 28,667 residents, a change of about 4 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
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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