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2025 Compare Cities People:
Brentwood, TN vs Rock Island, IL

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Highlights
- Rock Island is 0% more densely populated than Brentwood.
- People are 40.8% less likely to be married in Rock Island.
- The Median Age is 7.7 years younger in Rock Island.
 Brentwood, TNRock Island, ILUnited States
 Population  Unlock37,519329,725,481
 Female Population49.1%  Unlock50.5%
 Male Population50.9%  Unlock49.5%
 Median Age  Unlock35.438.4
 space3
 Population - 201037,211  Unlock309,327,143
 Population - 2000  Unlock39,684285,036,114
 Population - 199016,392  Unlock251,960,433
 Pop. 2000 to Now  Unlock-7.1%15.6%
 Pop. 1990 to Now161.6%  Unlock30.8%
 space4
 Population Density  Unlock2,226.093.4
 Land Area41.1  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
 space
 Est. Total Population By Age
 Brentwood, TNRock Island, ILUnited States
 Age 0 to 43.7%  Unlock5.9%
 Age 5 to 9  Unlock5.3%6.1%
 Age 10 to 149.4%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 203.5%  Unlock4.0%
 Age 21 to 24  Unlock5.9%5.2%
 Age 25 to 345.1%  Unlock13.8%
 Age 35 to 44  Unlock11.4%12.9%
 Age 45 to 5418.3%  Unlock12.6%
 Age 55 to 59  Unlock5.7%6.7%
 Age 60 to 647.1%  Unlock6.3%
 Age 65 to 74  Unlock10.0%9.6%
 Age 75 to 844.2%  Unlock4.5%
 Age 85 and over  Unlock2.5%1.9%
 space1
 Race
 Brentwood, TNRock Island, ILUnited States
 White83.6%  Unlock59.4%
 Black  Unlock17.1%12.2%
 Asian7.7%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races2.0%  Unlock3.2%
 Hispanic  Unlock13.7%18.4%
 space2
 Marriage & Family
 Brentwood, TNRock Island, ILUnited States
 Married Population66.6%  Unlock49.8%
     Currently Married  Unlock37.6%48.0%
 Married but Separated0.4%  Unlock1.8%
 Single Population  Unlock60.6%50.2%
 Never Married23.8%  Unlock33.8%
 Divorced  Unlock12.6%10.8%
 Widowed3.5%  Unlock5.6%
 space5
 Household Size  Unlock2.262.60
 Households14,550  Unlock124,010,992
 Family Households  Unlock7,91880,755,759
     Married couple, w/children44.6%  Unlock30.5%
     Married couple, no children  Unlock39.9%42.9%
 Non Family Households2,235  Unlock43,255,233
     Single householder, w/children  Unlock21.8%15.8%
     Single householder, no children3.7%  Unlock10.8%
Voting
Reviews for Brentwood    12 Reviews
D · Brentwood, TN
Brentwood, TN- Nice Place, But Lost It's Charm
Over 6 years ago

Brentwood 10 years ago was amazing! But over development, traffic, and road widening projects have killed some of the joy and this town has lost it's small town, quiet,  More

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Colby · Brentwood, TN
This Side Up Moving
Over 8 years ago

If you are moving into or out of the Brentwood, TN area feel free to contact us today! We are This Side Up Moving located in Brentwood, TN! For all of your commercial  More

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BRANT · Nashville, TN
Looking to Relocate to Nashville? LOOK in Brentwoo
Over 11 years ago

I am one of a very small group that grew up here in Brentwood. I have travelled all over and there is really not another place quite like here. I know I could be a bit  More

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Reviews for Rock Island    3 Reviews
Clint · Barry, IL
Rock Island - Pros/Cons
Over 17 years ago

Pros: 1. Extremely low cost of living 2. Affordable place to live Cons: 1. High crime rate 2. Poor school system 3. Not much to  More

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Gene · Taylor Ridge, IL
QCA Education and Business
Over 18 years ago

Rock Island has a varied background and contains many cultural and historic areas. It has been improving its school system and is in a metropolitan area which contains  More

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Martha · Rock Island, IL
Affordable Small City
Over 19 years ago

I just moved here for work one year ago. Moving from San Francisco here was a shock but ultimatelly good. The community is a typical midwestern small town. It is part  More

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Learn More About Brentwood, Tennessee
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Learn More About Rock Island, Illinois
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