2025 Compare Cities People:
Janesville, WI vs Arlington Heights, IL

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Highlights
- Arlington Heights is 0% more densely populated than Janesville.
- People are 24.4% more likely to be married in Arlington Heights.
- The Median Age is 3.3 years older in Arlington Heights.
 Janesville, WIArlington Heights, ILUnited States
 Population  Unlock77,283329,725,481
 Female Population51.1%  Unlock50.5%
 Male Population48.9%  Unlock49.5%
 Median Age  Unlock4338.4
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 Population - 201063,632  Unlock309,327,143
 Population - 2000  Unlock76,031285,036,114
 Population - 199052,133  Unlock251,960,433
 Pop. 2000 to Now  Unlock-2.7%15.6%
 Pop. 1990 to Now24.0%  Unlock30.8%
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 Population Density  Unlock4,655.393.4
 Land Area34.0  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Janesville, WIArlington Heights, ILUnited States
 Age 0 to 45.1%  Unlock5.9%
 Age 5 to 9  Unlock6.2%6.1%
 Age 10 to 146.9%  Unlock6.6%
 Age 15 to 17  Unlock4.1%3.9%
 Age 18 to 202.9%  Unlock4.0%
 Age 21 to 24  Unlock2.5%5.2%
 Age 25 to 3412.7%  Unlock13.8%
 Age 35 to 44  Unlock14.2%12.9%
 Age 45 to 5412.6%  Unlock12.6%
 Age 55 to 59  Unlock7.5%6.7%
 Age 60 to 646.9%  Unlock6.3%
 Age 65 to 74  Unlock10.6%9.6%
 Age 75 to 845.0%  Unlock4.5%
 Age 85 and over  Unlock3.1%1.9%
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 Race
 Janesville, WIArlington Heights, ILUnited States
 White86.8%  Unlock59.4%
 Black  Unlock2.6%12.2%
 Asian1.7%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races2.5%  Unlock3.2%
 Hispanic  Unlock9.1%18.4%
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 Marriage & Family
 Janesville, WIArlington Heights, ILUnited States
 Married Population48.7%  Unlock49.8%
     Currently Married  Unlock59.4%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock39.4%50.2%
 Never Married30.6%  Unlock33.8%
 Divorced  Unlock7.9%10.8%
 Widowed6.3%  Unlock5.6%
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 Household Size  Unlock2.442.60
 Households27,743  Unlock124,010,992
 Family Households  Unlock20,80680,755,759
     Married couple, w/children26.5%  Unlock30.5%
     Married couple, no children  Unlock49.9%42.9%
 Non Family Households10,937  Unlock43,255,233
     Single householder, w/children  Unlock6.4%15.8%
     Single householder, no children10.2%  Unlock10.8%
Reviews for Janesville    12 Reviews

Beautiful City - on an Ice Age Trail. I moved here during the Covid thing so it is hard to tell how friendly people are. The government seems closed - encouraged by  More

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My Wife and I have lived here for the last 2 years. Janesville is the pit of Hell. Nothing to do here, especially during the winter time. Closest places are 45 min to  More

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Janesville has pros and cons to living here depending on what is important to you. Janesville has a cheap cost of living and liberal-below average schools. Since you can  More

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Reviews for Arlington Heights    9 Reviews

Over 7 years ago

I’ve lived in this city my whole life and it is the absolute best. The people are so kind and always greet you with a smile. The education systems are very good and it  More

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Over 12 years ago

Downtown Arlington Heights has a lot going on, especially in the summer. There are good restaurants and other businesses, and the festivals/music are very good, too. A  More

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Over 14 years ago

After growing up in Deerfield, IL, there is no doubt in my mind that places like Deerfield and Arlington Heights have exceptional education for children. Education  More

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