2026 Compare Cities People:
Twin Falls, ID vs Marion, IL

Change Cities
Highlights
- Marion is 0% more densely populated than Twin Falls.
- People are 20.0% less likely to be married in Marion.
- The Median Age is 6.5 years older in Marion.
 Twin Falls, IDMarion, ILUnited States
 Population  Unlock16,960329,725,481
 Female Population50.6%  Unlock50.5%
 Male Population49.5%  Unlock49.5%
 Median Age  Unlock40.538.4
 space3
 Population - 201044,511  Unlock309,327,143
 Population - 2000  Unlock16,035285,036,114
 Population - 199027,591  Unlock251,960,433
 Pop. 2000 to Now  Unlock8.6%15.6%
 Pop. 1990 to Now86.3%  Unlock30.8%
 space4
 Population Density  Unlock1,029.493.4
 Land Area19.3  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
 space
 Est. Total Population By Age
 Twin Falls, IDMarion, ILUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock6.4%6.1%
 Age 10 to 147.0%  Unlock6.6%
 Age 15 to 17  Unlock3.3%3.9%
 Age 18 to 203.6%  Unlock4.0%
 Age 21 to 24  Unlock3.5%5.2%
 Age 25 to 3415.7%  Unlock13.8%
 Age 35 to 44  Unlock15.1%12.9%
 Age 45 to 5410.2%  Unlock12.6%
 Age 55 to 59  Unlock4.1%6.7%
 Age 60 to 644.9%  Unlock6.3%
 Age 65 to 74  Unlock13.9%9.6%
 Age 75 to 845.0%  Unlock4.5%
 Age 85 and over  Unlock2.5%1.9%
 space1
 Race
 Twin Falls, IDMarion, ILUnited States
 White77.3%  Unlock59.4%
 Black  Unlock8.0%12.2%
 Asian2.5%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races4.3%  Unlock3.2%
 Hispanic  Unlock1.7%18.4%
 space2
 Marriage & Family
 Twin Falls, IDMarion, ILUnited States
 Married Population53.4%  Unlock49.8%
     Currently Married  Unlock41.5%48.0%
 Married but Separated1.7%  Unlock1.8%
 Single Population  Unlock57.3%50.2%
 Never Married26.8%  Unlock33.8%
 Divorced  Unlock16.1%10.8%
 Widowed6.1%  Unlock5.6%
 space5
 Household Size  Unlock2.072.60
 Households19,538  Unlock124,010,992
 Family Households  Unlock4,08380,755,759
     Married couple, w/children35.3%  Unlock30.5%
     Married couple, no children  Unlock46.4%42.9%
 Non Family Households6,983  Unlock43,255,233
     Single householder, w/children  Unlock23.0%15.8%
     Single householder, no children6.8%  Unlock10.8%
Reviews for Twin Falls    8 Reviews

Over 12 years ago

It is a hub community that is a gateway to the north of Sun Valley and to the south for Jackpot. New High School of 3 years to add to the established one. The hospital  More

   |    Reply

Over 13 years ago

Been living in Twin Falls for 2 plus years, like the people, very friendly. The Canyon is truly beautiful. Nice not to have to battle traffic, have places to walk to,  More

   |    Reply

In my 18 years here, Twin Falls has grown steadily, but all the schools, box stores, grocery stores are still within a 10-15 minute drive of each other. Traffic is a  More

   |    Reply

Start Your Review of Twin Falls

Reviews for Marion    2 Reviews

Over 11 years ago

I moved from Marion, IL a short time ago and would like to explain what happened to me there. My house was shot by a BB gun several times and ruined some of the siding.  More

   |    Reply

Over 19 years ago

marion is a great place for young people to get going in thier lives. marion is also a great place to retire at. marion needs more young people spots and i think marion  More

   |    Reply

Start Your Review of Marion


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.