2026 Compare Cities People:
Dupo, IL vs Waterloo, IL

Change Cities
Highlights
- Waterloo is 0% more densely populated than Dupo.
- People are 50.8% more likely to be married in Waterloo.
- The Median Age is 0.5 years younger in Waterloo.
 Dupo, ILWaterloo, ILUnited States
 Population  Unlock10,906329,725,481
 Female Population54.5%  Unlock50.5%
 Male Population45.5%  Unlock49.5%
 Median Age  Unlock40.438.4
 space3
 Population - 20104,177  Unlock309,327,143
 Population - 2000  Unlock7,614285,036,114
 Population - 19903,164  Unlock251,960,433
 Pop. 2000 to Now  Unlock38.4%15.6%
 Pop. 1990 to Now21.5%  Unlock30.8%
 space4
 Population Density  Unlock1,340.393.4
 Land Area6.3  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Dupo, ILWaterloo, ILUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock6.1%6.1%
 Age 10 to 143.0%  Unlock6.6%
 Age 15 to 17  Unlock1.8%3.9%
 Age 18 to 202.9%  Unlock4.0%
 Age 21 to 24  Unlock4.9%5.2%
 Age 25 to 3412.4%  Unlock13.8%
 Age 35 to 44  Unlock15.1%12.9%
 Age 45 to 5414.2%  Unlock12.6%
 Age 55 to 59  Unlock6.2%6.7%
 Age 60 to 647.4%  Unlock6.3%
 Age 65 to 74  Unlock11.4%9.6%
 Age 75 to 844.6%  Unlock4.5%
 Age 85 and over  Unlock3.7%1.9%
 space1
 Race
 Dupo, ILWaterloo, ILUnited States
 White93.7%  Unlock59.4%
 Black  Unlock0.5%12.2%
 Asian0.0%  Unlock5.6%
 Native American  Unlock0.5%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races1.4%  Unlock3.2%
 Hispanic  Unlock1.5%18.4%
 space2
 Marriage & Family
 Dupo, ILWaterloo, ILUnited States
 Married Population37.4%  Unlock49.8%
     Currently Married  Unlock55.7%48.0%
 Married but Separated4.1%  Unlock1.8%
 Single Population  Unlock43.6%50.2%
 Never Married33.6%  Unlock33.8%
 Divorced  Unlock13.4%10.8%
 Widowed9.3%  Unlock5.6%
 space5
 Household Size  Unlock2.472.60
 Households1,720  Unlock124,010,992
 Family Households  Unlock3,06880,755,759
     Married couple, w/children21.7%  Unlock30.5%
     Married couple, no children  Unlock48.0%42.9%
 Non Family Households797  Unlock43,255,233
     Single householder, w/children  Unlock13.4%15.8%
     Single householder, no children11.4%  Unlock10.8%
Reviews for Dupo    1 Reviews

Over 17 years ago

This quiet bedroom community in Southwestern Illinois is blessed with many types of friendly people. We enjoy good local government and superb protection from the  More

   |    Reply

Start Your Review of Dupo

Reviews for Waterloo    0 Reviews

Start Your Review of Waterloo


Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

© Best Places. All rights reserved.