METRO AREA · 1990 CENSUS
Janesville Metro
Janesville-Beloit, WI · 1 counties · 139,510 residents · 718.167 sq mi
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The short version
Janesville has roughly average household income, with a median household income of $30,632. Population has declined 8% since 2000. Median home value is $52,500.
At a glance
Average income
near the US median
US median: $30,130
Mid-age
median age 33.0
US median: 33.0
Less educated
13% hold a bachelor's degree
US average: 20%
More affordable
home values down 30%, inflation adjusted
US median home: $93,722
Section 01
Population & growth
Population, 1990 – 2024
2024164K
Age distribution, 1990
Under 57.7%(10,803)
5 to 97.4%(10,388)
10 to 147.7%(10,715)
15 to 197.1%(9,882)
20 to 246.9%(9,650)
25 to 3416.4%(22,947)
35 to 4414.4%(20,029)
45 to 5410.9%(15,191)
55 to 648.8%(12,285)
65 to 747%(9,797)
75 to 844.2%(5,926)
85 and over1.4%(1,897)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$30,632
−11%inflation adjusted, since 2000
vs $45,517 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$52,500
−30%inflation adjusted, since 2000
vs $98,300 in 2000
US average: $93,722
1990 – 2024
RELATED:See current rent listings in Janesville on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic89.2%(135,884)
Black4.6%(6,943)
Hispanic / Latino3.9%(5,953)
Asian0.8%(1,180)
Other0%
1990
White, non-Hispanic93.8%(130,827)
Black4.7%(6,537)
Hispanic / Latino1.2%(1,704)
Asian0.6%(906)
Other0.9%(1,240)
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)
South American0.3%(557)
Dominican0.3%(445)
Central American0.2%(310)
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
Uruguayan0%(30)
Panamanian0%(28)
Costa Rican0%(22)
Peruvian0%(22)
Venezuelan0%(20)
Ecuadorian0%(18)
Bolivian0%(3)
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)
Singaporean0%(10)
+ 1 more asian origin group with data
Nepalese0%(4)
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)
French Canadian0.4%(669)
Welsh0.4%(601)
Subsaharan African0.4%(586)
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)
Macedonian0%(13)
Moroccan0%(9)
Ethiopian0%(4)
Australian0%(3)
Guyanese0%(2)
Section 05
Education
High school or higher
78.2%
−5.7 ptsvs 2000
vs 83.9% in 2000
US average: 75.2%
Section 06
Commute & transportation
Section 07
Work & employment
No data for the years selected.
Section 08
People & community
No data for the years selected.
Marital status (2024)
Men 15+
Never married34.9%(23,103)
Married50.8%(33,683)
Widowed3.1%(2,022)
Divorced11.2%(7,438)
Women 15+
Never married28.6%(19,487)
Married50.2%(34,197)
Widowed8.6%(5,870)
Divorced12.6%(8,615)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
In this metro
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1 component county
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Frequently asked
How many people live in Janesville-Beloit, WI?
Janesville-Beloit, WI has about 139,510 residents according to the 1990 Census.
What is the median household income in Janesville-Beloit, WI?
The typical household in Janesville-Beloit, WI earns about $30,632 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 $52,500, and the typical rent is about $387 a month.
How educated are people in Janesville-Beloit, WI?
About 13.3% 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 9.9% of people in Janesville-Beloit, WI live below the federal poverty line.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · METRO ROLLUP OF COMPONENT COUNTIES · UPDATED 2024