2025 Compare Cities People:
Sterling, IL vs Rock Falls, IL

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Highlights
- Rock Falls is 0% more densely populated than Sterling.
- People are 1.2% less likely to be married in Rock Falls.
- The Median Age is 3.3 years younger in Rock Falls.
 Sterling, ILRock Falls, ILUnited States
 Population  Unlock8,807329,725,481
 Female Population48.5%  Unlock50.5%
 Male Population51.5%  Unlock49.5%
 Median Age  Unlock39.438.4
 space3
 Population - 201015,412  Unlock309,327,143
 Population - 2000  Unlock9,580285,036,114
 Population - 199015,132  Unlock251,960,433
 Pop. 2000 to Now  Unlock-9.7%15.6%
 Pop. 1990 to Now-5.4%  Unlock30.8%
 space4
 Population Density  Unlock2,212.893.4
 Land Area5.8  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Sterling, ILRock Falls, ILUnited States
 Age 0 to 44.2%  Unlock5.9%
 Age 5 to 9  Unlock4.3%6.1%
 Age 10 to 146.0%  Unlock6.6%
 Age 15 to 17  Unlock4.7%3.9%
 Age 18 to 204.4%  Unlock4.0%
 Age 21 to 24  Unlock4.5%5.2%
 Age 25 to 3412.2%  Unlock13.8%
 Age 35 to 44  Unlock12.0%12.9%
 Age 45 to 5413.1%  Unlock12.6%
 Age 55 to 59  Unlock5.2%6.7%
 Age 60 to 645.2%  Unlock6.3%
 Age 65 to 74  Unlock10.2%9.6%
 Age 75 to 845.8%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
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 Race
 Sterling, ILRock Falls, ILUnited States
 White67.1%  Unlock59.4%
 Black  Unlock0.4%12.2%
 Asian1.3%  Unlock5.6%
 Native American  Unlock0.4%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock21.6%18.4%
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 Marriage & Family
 Sterling, ILRock Falls, ILUnited States
 Married Population40.8%  Unlock49.8%
     Currently Married  Unlock38.9%48.0%
 Married but Separated1.9%  Unlock1.8%
 Single Population  Unlock59.7%50.2%
 Never Married38.4%  Unlock33.8%
 Divorced  Unlock16.8%10.8%
 Widowed8.0%  Unlock5.6%
 space5
 Household Size  Unlock2.252.60
 Households6,467  Unlock124,010,992
 Family Households  Unlock2,11480,755,759
     Married couple, w/children20.6%  Unlock30.5%
     Married couple, no children  Unlock31.6%42.9%
 Non Family Households2,769  Unlock43,255,233
     Single householder, w/children  Unlock29.6%15.8%
     Single householder, no children8.9%  Unlock10.8%
Reviews for Sterling    1 Reviews

Over 4 years ago

my child was not veery safe in his manger. many storms, too dangerous, lost kid in storm. a twelve year old tried to sell me nicotine!!!!! <3  More

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Reviews for Rock Falls    2 Reviews

Over 4 years ago

Not a good place for my womans protest. got arrested from one of the 8 cops. writing from prison. love yall stay safe out there. <3 #speakingfromtheheart #susanbanthony  More

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Over 18 years ago

The initial cost of housing is very reasonable but the property taxes will kill you. The way that the state handles school funding and health care funding leaves a lot  More

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