2025 Compare Cities People:
Lafayette, LA vs Rock Island, IL

Change Cities
Highlights
- Rock Island is 0% more densely populated than Lafayette.
- People are 9.4% less likely to be married in Rock Island.
- The Median Age is 0.9 years younger in Rock Island.
 Lafayette, LARock Island, ILUnited States
 Population  Unlock37,519329,725,481
 Female Population51.7%  Unlock50.5%
 Male Population48.3%  Unlock49.5%
 Median Age  Unlock35.438.4
 space3
 Population - 2010121,896  Unlock309,327,143
 Population - 2000  Unlock39,684285,036,114
 Population - 199094,440  Unlock251,960,433
 Pop. 2000 to Now  Unlock-7.1%15.6%
 Pop. 1990 to Now34.0%  Unlock30.8%
 space4
 Population Density  Unlock2,226.093.4
 Land Area55.5  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
 space
 Est. Total Population By Age
 Lafayette, LARock Island, ILUnited States
 Age 0 to 46.0%  Unlock5.9%
 Age 5 to 9  Unlock5.3%6.1%
 Age 10 to 146.1%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 205.2%  Unlock4.0%
 Age 21 to 24  Unlock5.9%5.2%
 Age 25 to 3415.4%  Unlock13.8%
 Age 35 to 44  Unlock11.4%12.9%
 Age 45 to 5410.7%  Unlock12.6%
 Age 55 to 59  Unlock5.7%6.7%
 Age 60 to 646.2%  Unlock6.3%
 Age 65 to 74  Unlock10.0%9.6%
 Age 75 to 844.1%  Unlock4.5%
 Age 85 and over  Unlock2.5%1.9%
 space1
 Race
 Lafayette, LARock Island, ILUnited States
 White59.5%  Unlock59.4%
 Black  Unlock17.1%12.2%
 Asian2.3%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races3.3%  Unlock3.2%
 Hispanic  Unlock13.7%18.4%
 space2
 Marriage & Family
 Lafayette, LARock Island, ILUnited States
 Married Population43.5%  Unlock49.8%
     Currently Married  Unlock37.6%48.0%
 Married but Separated2.1%  Unlock1.8%
 Single Population  Unlock60.6%50.2%
 Never Married40.6%  Unlock33.8%
 Divorced  Unlock12.6%10.8%
 Widowed6.0%  Unlock5.6%
 space5
 Household Size  Unlock2.262.60
 Households51,328  Unlock124,010,992
 Family Households  Unlock7,91880,755,759
     Married couple, w/children24.3%  Unlock30.5%
     Married couple, no children  Unlock39.9%42.9%
 Non Family Households21,790  Unlock43,255,233
     Single householder, w/children  Unlock21.8%15.8%
     Single householder, no children12.4%  Unlock10.8%
Reviews for Lafayette    37 Reviews

Over 3 years ago

I should add this to my previous review. Lafayette was ranked "Happiest City in the US" by USA Today magazine and "Tastiest Town" by Southern  More

   |    Reply

I’m from Florida but I’ve lived in the Lafayette area for thirty-five years. I’ve never known nicer people. It’s true that non-Cajuns can never integrate entirely with  More

   |    Reply

What are the hottest neighborhoods to buy/live in right now? I'm from out of  More

   |    Reply

Start Your Review of Lafayette

Reviews for Rock Island    3 Reviews

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

   |    Reply

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

   |    Reply

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

   |    Reply

Start Your Review of Rock Island


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.