2025 Compare Cities People:
Green Bay, WI vs Decatur, IL

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Highlights
- Decatur is 0% more densely populated than Green Bay.
- People are 2.1% less likely to be married in Decatur.
- The Median Age is 4.4 years older in Decatur.
 Green Bay, WIDecatur, ILUnited States
 Population  Unlock71,309329,725,481
 Female Population50.8%  Unlock50.5%
 Male Population49.3%  Unlock49.5%
 Median Age  Unlock39.938.4
 space3
 Population - 2010103,939  Unlock309,327,143
 Population - 2000  Unlock81,860285,036,114
 Population - 199096,466  Unlock251,960,433
 Pop. 2000 to Now  Unlock-14.5%15.6%
 Pop. 1990 to Now7.6%  Unlock30.8%
 space4
 Population Density  Unlock1,685.093.4
 Land Area45.5  Unlock3,531,905.4
 Water Area  Unlock4.7264,836.8
 space
 Est. Total Population By Age
 Green Bay, WIDecatur, ILUnited States
 Age 0 to 47.1%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 146.2%  Unlock6.6%
 Age 15 to 17  Unlock3.7%3.9%
 Age 18 to 204.8%  Unlock4.0%
 Age 21 to 24  Unlock5.2%5.2%
 Age 25 to 3414.7%  Unlock13.8%
 Age 35 to 44  Unlock11.3%12.9%
 Age 45 to 5412.3%  Unlock12.6%
 Age 55 to 59  Unlock7.0%6.7%
 Age 60 to 645.7%  Unlock6.3%
 Age 65 to 74  Unlock11.1%9.6%
 Age 75 to 843.7%  Unlock4.5%
 Age 85 and over  Unlock3.3%1.9%
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 Race
 Green Bay, WIDecatur, ILUnited States
 White67.8%  Unlock59.4%
 Black  Unlock23.0%12.2%
 Asian3.8%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races4.7%  Unlock3.2%
 Hispanic  Unlock2.8%18.4%
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 Marriage & Family
 Green Bay, WIDecatur, ILUnited States
 Married Population43.4%  Unlock49.8%
     Currently Married  Unlock41.1%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock57.5%50.2%
 Never Married37.4%  Unlock33.8%
 Divorced  Unlock14.0%10.8%
 Widowed5.2%  Unlock5.6%
 space5
 Household Size  Unlock2.212.60
 Households43,887  Unlock124,010,992
 Family Households  Unlock16,33580,755,759
     Married couple, w/children28.9%  Unlock30.5%
     Married couple, no children  Unlock48.1%42.9%
 Non Family Households19,193  Unlock43,255,233
     Single householder, w/children  Unlock20.0%15.8%
     Single householder, no children8.0%  Unlock10.8%
Reviews for Green Bay    30 Reviews

We moved here when I was a child some 40+ years ago. I left to go to school, returned for a job, left for another job out of state, returned to help family, left state  More

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Over 6 years ago

Grew up here. There's not as much to do as in a large city, but it's safe fun place full of nice people.  More

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I've been living here since 2014 since moving from California and I've noticed that while there are some cool people here, most are rude and out of that group some are  More

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Reviews for Decatur    14 Reviews

I was sent here by the company I worked for in the '90's and was not initially impressed with midwest living. However, over the years I got used to living in the "Pride  More

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I grew up in Decatur and I still have family there, but it depresses me to see what it has become. It has a high unemployment rate, many business have closed or are run  More

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Over 14 years ago

If you enjoy drinking & driving, Decatur's fifteen drive-thru liquor windows, three times the # of drive-thru's than the ten largest cities in Illinois, COMBINED, will  More

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