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2025 Compare Cities People:
Rock Island, IL vs Jacksonville, FL

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Highlights
- Jacksonville is 0% more densely populated than Rock Island.
- People are 12.9% more likely to be married in Jacksonville.
- The Median Age is 0.8 years older in Jacksonville.
 Rock Island, ILJacksonville, FLUnited States
 Population  Unlock937,690329,725,481
 Female Population50.0%  Unlock50.5%
 Male Population50.0%  Unlock49.5%
 Median Age  Unlock36.238.4
 space3
 Population - 201038,973  Unlock309,327,143
 Population - 2000  Unlock735,617285,036,114
 Population - 199040,552  Unlock251,960,433
 Pop. 2000 to Now  Unlock25.1%15.6%
 Pop. 1990 to Now-9.1%  Unlock30.8%
 space4
 Population Density  Unlock1,254.093.4
 Land Area16.9  Unlock3,531,905.4
 Water Area  Unlock126.9264,836.8
 space
 Est. Total Population By Age
 Rock Island, ILJacksonville, FLUnited States
 Age 0 to 46.2%  Unlock5.9%
 Age 5 to 9  Unlock6.3%6.1%
 Age 10 to 146.9%  Unlock6.6%
 Age 15 to 17  Unlock3.5%3.9%
 Age 18 to 208.5%  Unlock4.0%
 Age 21 to 24  Unlock5.2%5.2%
 Age 25 to 3412.8%  Unlock13.8%
 Age 35 to 44  Unlock13.0%12.9%
 Age 45 to 549.9%  Unlock12.6%
 Age 55 to 59  Unlock6.8%6.7%
 Age 60 to 646.3%  Unlock6.3%
 Age 65 to 74  Unlock8.7%9.6%
 Age 75 to 844.5%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
 space1
 Race
 Rock Island, ILJacksonville, FLUnited States
 White61.1%  Unlock59.4%
 Black  Unlock30.3%12.2%
 Asian4.5%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races3.2%  Unlock3.2%
 Hispanic  Unlock10.9%18.4%
 space2
 Marriage & Family
 Rock Island, ILJacksonville, FLUnited States
 Married Population39.4%  Unlock49.8%
     Currently Married  Unlock42.4%48.0%
 Married but Separated1.8%  Unlock1.8%
 Single Population  Unlock55.5%50.2%
 Never Married41.2%  Unlock33.8%
 Divorced  Unlock14.0%10.8%
 Widowed6.7%  Unlock5.6%
 space5
 Household Size  Unlock2.502.60
 Households15,285  Unlock124,010,992
 Family Households  Unlock222,30880,755,759
     Married couple, w/children27.4%  Unlock30.5%
     Married couple, no children  Unlock39.2%42.9%
 Non Family Households7,367  Unlock43,255,233
     Single householder, w/children  Unlock20.5%15.8%
     Single householder, no children10.8%  Unlock10.8%
Voting
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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Reviews for Jacksonville    174 Reviews
CAnderson · Newton Falls, OH
It’s Okay. Just Not For Me.
Over 2 years ago

I moved from a small town in Ohio around four years ago, I was 24 years old. Now, at 28, my outlook about living here has changed. I have came to the conclusion, that,  More

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Penelope · Jacksonville, FL
Love/hate relationship with Jax
Over 3 years ago

I’ve lived in Jacksonville for 12+ years(but visited on and off much longer). There’s things I love and things I hate and just like any place there are pros and cons.  More

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Anony · Federal Way, WA
Any thoughts on the Southside area
Over 3 years ago

We have been investigating Jax for a while. It looks like the Southside, Baymeadows and the further East you get is great. Any thoughts on moving to those areas, pretty  More

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Learn More About Rock Island, Illinois
Overview
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Learn More About Jacksonville, Florida
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