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METRO AREA · 2000 CENSUS

Janesville Metro

Janesville-Beloit, WI · 1 counties · 152,307 residents · 718.167 sq mi
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The short version

Janesville has roughly average household income, with a median household income of $45,517. Population has held roughly steady since 1990. Median home value has more than doubled since 1990, reaching $98,300.

At a glance
Wealthier
above the US median
US median: $42,589
Mid-age
median age 35.9
US median: 35.2
Less educated
17% hold a bachelor's degree
US average: 24%
Less affordable
home values up 42%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
152,307
+9%since 1990
from 139,510 in 1990
1990 – 2025
Population density
212 / sq mi
+9%since 1990
from 194 / sq mi in 1990
Median age
35.9
+9%since 1990
from 33.0 in 1990
US average: 35.2
Population, 1990 – 2024
137K144K152K159K167K1990201020202024Janesville
2024164K
1990201020202024
Age distribution, 2000
Under 56.7%(10,263)
US avg: 6.8%
5 to 97.5%(11,460)
US avg: 7.3%
10 to 147.8%(11,828)
US avg: 7.3%
15 to 197.2%(10,930)
US avg: 7.2%
20 to 245.9%(8,995)
US avg: 6.7%
25 to 3413.5%(20,606)
US avg: 14.2%
35 to 4416.3%(24,810)
US avg: 16%
45 to 5413.6%(20,645)
US avg: 13.4%
55 to 648.8%(13,375)
US avg: 8.6%
65 to 746.7%(10,198)
US avg: 6.5%
75 to 844.4%(6,645)
US avg: 4.4%
85 and over1.7%(2,552)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$45,517
+13%inflation adjusted, since 1990
from $30,632 in 1990
US average: $42,589
1990 – 2024
Per capita income
$20,895
+56%since 1990
from $13,428 in 1990
US average: $21,522
Poverty rate
7.3%
−2.6 ptssince 1990
from 9.9% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$98,300
+42%inflation adjusted, since 1990
from $52,500 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$543
+6%inflation adjusted, since 1990
from $387 in 1990
US average: $602
Owner-occupied
71.1%
+3.0 ptssince 1990
from 68.2% in 1990
28.9% rent
RELATED:See current rent listings in Janesville on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic93.8%(130,827)
Black4.7%(6,537)
Hispanic / Latino1.2%(1,704)
Asian0.6%(906)
2000
White, non-Hispanic89.2%(135,884)
Black4.6%(6,943)
Hispanic / Latino3.9%(5,953)
Asian0.8%(1,180)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican8.3%(13,597)
Puerto Rican0.5%(820)
Dominican0.3%(445)
Colombian0.2%(261)
Argentine0.1%(203)
Salvadoran0.1%(116)
Spaniard0.1%(104)
Guatemalan0.1%(95)
Cuban0%(55)
Honduran0%(49)
+ 7 more hispanic origin groups with data
Asian origin
Cambodian0.2%(292)
Chinese0.2%(259)
Hmong0.1%(243)
Filipino0.1%(237)
Vietnamese0.1%(219)
Korean0.1%(177)
Asian Indian0.1%(130)
Laotian0%(77)
Thai0%(27)
Japanese0%(20)
Pakistani0%(18)
+ 1 more asian origin group with data
Pacific Islander origin
Samoan0%(24)
Ancestry
German31.6%(51,874)
Irish13%(21,418)
English9.9%(16,341)
Norwegian9.9%(16,241)
American5.5%(9,045)
Polish3.3%(5,432)
Italian2.9%(4,798)
Swiss1.9%(3,070)
French1.8%(2,985)
Swedish1.8%(2,925)
Dutch1.2%(2,020)
Scottish1.2%(2,017)
+ 39 more ancestry groups with data
Czech0.7%(1,209)
Danish0.6%(1,061)
Scotch-Irish0.4%(739)
Russian0.4%(715)
Welsh0.4%(601)
Austrian0.3%(478)
Finnish0.2%(402)
British0.2%(342)
Lithuanian0.2%(315)
Slovak0.2%(303)
Greek0.2%(268)
Belgian0.2%(260)
Armenian0.1%(220)
Croatian0.1%(197)
Ukrainian0.1%(191)
Portuguese0.1%(162)
Hungarian0.1%(154)
West Indian0.1%(117)
Arab0.1%(104)
Canadian0.1%(92)
Jamaican0.1%(88)
Romanian0%(60)
Lebanese0%(55)
Ghanaian0%(45)
Slovene0%(37)
Haitian0%(29)
Egyptian0%(23)
Serbian0%(22)
Latvian0%(20)
Turkish0%(19)
Nigerian0%(18)
Iranian0%(14)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest Norwegian population · Largest Mexican population
Section 05

Education

Bachelor's degree or higher
16.7%
+3.4 ptssince 1990
from 13.3% in 1990
US average: 24.4%
High school or higher
83.9%
+5.7 ptssince 1990
from 78.2% in 1990
US average: 80.3%
Graduate degree
5.4%
+1.0 ptssince 1990
from 4.4% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
13.6 min
−26%since 1990
from 18.3 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.

Marital status
Men 15+
Never married27%(15,531)
Married60.9%(35,040)
Widowed2.2%(1,264)
Divorced9.9%(5,707)
Women 15+
Never married21.6%(13,249)
Married56.4%(34,518)
Widowed10.1%(6,205)
Divorced11.8%(7,232)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
In this metro

Largest cities

JanesvilleCENTRAL66,929BeloitCENTRAL36,649Milton6,024Evansville5,837Clinton2,336Orfordville1,618Footville898Hanover130Shopiere123Fulton31
What's inside

1 component county

Rock CountyCENTRAL166,472
Drill deeper

Metros similar to Janesville

Chambersburg
Pop 160,652
Grand Junction
Pop 162,845
La Crosse
Pop 171,182
Eau Claire
Pop 176,647
Places similar to Janesville
Head to head

Compare Janesville side by side

JANESVILLE VS
Chambersburg
Income$77,003+69%
Home value$249,800+154%
Population160,652−3%
SEE FULL COMPARISON →
JANESVILLE VS
Grand Junction
Income$73,658+62%
Home value$378,600+285%
Population162,845−2%
SEE FULL COMPARISON →
JANESVILLE VS
La Crosse
Income$73,555+62%
Home value$248,970+153%
Population171,182+3%
SEE FULL COMPARISON →
JANESVILLE VS
Eau Claire
Income$74,597+64%
Home value$259,809+164%
Population176,647+6%
SEE FULL COMPARISON →
Frequently asked

How many people live in Janesville-Beloit, WI?

Janesville-Beloit, WI has about 152,307 residents according to the 2000 Census.

What is the median household income in Janesville-Beloit, WI?

The typical household in Janesville-Beloit, WI earns about $45,517 a year. Half of households make more than that, and half make less.

Is Janesville-Beloit, WI expensive?

In Janesville-Beloit, WI, the median home is worth about $98,300, and the typical rent is about $543 a month.

How educated are people in Janesville-Beloit, WI?

About 16.7% of adults age 25 and over in Janesville-Beloit, WI hold a bachelor's degree or higher.

What is the poverty rate in Janesville-Beloit, WI?

About 7.3% of people in Janesville-Beloit, WI live below the federal poverty line.

Has Janesville-Beloit, WI grown since 1990?

Yes, Janesville-Beloit, WI has grown since 1990. The population has added about 12,797 residents, a change of about 9 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · METRO ROLLUP OF COMPONENT COUNTIES · UPDATED 2024

How we source and harmonize this data →