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COUNTY · 2000 CENSUS

Jefferson County

Wisconsin · 74,021 residents · 556.492 sq mi
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The short version

Jefferson County is wealthier than most US places, with a median household income of $46,901. Population has held roughly steady since 1990. Median home value has more than doubled since 1990, reaching $123,600. Poverty is rare here, at 5.7% of residents.

At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 36.6
US median: 35.2
Less educated
17% hold a bachelor's degree
US average: 24%
Less affordable
home values up 58%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

74,021
+9%since 1990
from 67,783 in 1990
1990 – 2025
133 / sq mi
+9%since 1990
from 122 / sq mi in 1990
US average: 242
36.6
+12%since 1990
from 32.8 in 1990
US average: 35.2
Population, 19902024
66K71K77K82K88K1990201020202024Jefferson County
202486K
1990201020202024
Section 02

Income & economy

$46,901
+16%inflation adjusted, since 1990
from $30,749 in 1990
US average: $42,589
1990 – 2024
$21,236
+66%since 1990
from $12,770 in 1990
US average: $21,522
5.7%
−1.5 ptssince 1990
from 7.2% in 1990
US average: 12.4%
Section 03

Housing

$123,600
+58%inflation adjusted, since 1990
from $59,400 in 1990
US average: $120,530
1990 – 2024
$564
+14%inflation adjusted, since 1990
from $376 in 1990
US average: $602
71.7%
+1.1 ptssince 1990
from 70.6% in 1990
28.3% rent
2.6
+36%since 1990
from 1.9 in 1990
1990 – 2024
RELATED:See current rent listings in Jefferson County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic98.3%(66,645)
Black0.4%(238)
Hispanic / Latino1.6%(1,054)
Asian0.4%(293)
Diversity Score7.8%(5,281)
2000
White, non-Hispanic94.3%(69,765)
Black0.2%(184)
Hispanic / Latino4.1%(3,031)
Asian0.4%(323)
Diversity Score11.6%(8,556)
12
+48%since 1990
from 8 in 1990
1990 – 2024
Section 05

Education

17.4%
+2.2 ptssince 1990
from 15.1% in 1990
US average: 24.4%
High school or higher
84.7%
+7.7 ptssince 1990
from 77.0% in 1990
US average: 80.3%
5.1%
+0.4 ptssince 1990
from 4.7% in 1990
US average: 8.8%
Section 06

Commute & transportation

15.0 min
−29%since 1990
from 21.2 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.

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Frequently asked

How many people live in Jefferson County, Wisconsin?

Jefferson County, Wisconsin has about 74,021 residents according to the 2000 Census.

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

The typical household in Jefferson County, Wisconsin earns about $46,901 a year. Half of households make more than that, and half make less.

Is Jefferson County, Wisconsin expensive?

In Jefferson County, Wisconsin, the median home is worth about $123,600, and the typical rent is about $564 a month.

How educated are people in Jefferson County, Wisconsin?

About 17.4% of adults age 25 and over in Jefferson County, Wisconsin hold a bachelor's degree or higher.

What is the poverty rate in Jefferson County, Wisconsin?

About 5.7% of people in Jefferson County, Wisconsin live below the federal poverty line.

Has Jefferson County, Wisconsin grown since 1990?

Yes, Jefferson County, Wisconsin has grown since 1990. The population has added about 6,238 residents, a change of about 9 percent over that period.

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

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