2026 Compare Cities People:
Twin Falls, ID vs Douglas, AZ

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Highlights
- Douglas is 0% more densely populated than Twin Falls.
- People are 30.3% less likely to be married in Douglas.
- The Median Age is 1.1 years younger in Douglas.
 Twin Falls, IDDouglas, AZUnited States
 Population  Unlock16,470329,725,481
 Female Population50.6%  Unlock50.5%
 Male Population49.5%  Unlock49.5%
 Median Age  Unlock32.938.4
 space3
 Population - 201044,511  Unlock309,327,143
 Population - 2000  Unlock14,312285,036,114
 Population - 199027,591  Unlock251,960,433
 Pop. 2000 to Now  Unlock15.0%15.6%
 Pop. 1990 to Now86.3%  Unlock30.8%
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 Population Density  Unlock1,648.593.4
 Land Area19.3  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Twin Falls, IDDouglas, AZUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock5.7%6.1%
 Age 10 to 147.0%  Unlock6.6%
 Age 15 to 17  Unlock4.0%3.9%
 Age 18 to 203.6%  Unlock4.0%
 Age 21 to 24  Unlock5.9%5.2%
 Age 25 to 3415.7%  Unlock13.8%
 Age 35 to 44  Unlock13.7%12.9%
 Age 45 to 5410.2%  Unlock12.6%
 Age 55 to 59  Unlock5.4%6.7%
 Age 60 to 644.9%  Unlock6.3%
 Age 65 to 74  Unlock7.4%9.6%
 Age 75 to 845.0%  Unlock4.5%
 Age 85 and over  Unlock1.0%1.9%
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 Race
 Twin Falls, IDDouglas, AZUnited States
 White77.3%  Unlock59.4%
 Black  Unlock3.5%12.2%
 Asian2.5%  Unlock5.6%
 Native American  Unlock0.9%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races4.3%  Unlock3.2%
 Hispanic  Unlock82.7%18.4%
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 Marriage & Family
 Twin Falls, IDDouglas, AZUnited States
 Married Population53.4%  Unlock49.8%
     Currently Married  Unlock34.4%48.0%
 Married but Separated1.7%  Unlock1.8%
 Single Population  Unlock62.8%50.2%
 Never Married26.8%  Unlock33.8%
 Divorced  Unlock11.8%10.8%
 Widowed6.1%  Unlock5.6%
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 Household Size  Unlock2.932.60
 Households19,538  Unlock124,010,992
 Family Households  Unlock3,08080,755,759
     Married couple, w/children35.3%  Unlock30.5%
     Married couple, no children  Unlock31.7%42.9%
 Non Family Households6,983  Unlock43,255,233
     Single householder, w/children  Unlock27.2%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

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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

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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

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Reviews for Douglas    4 Reviews

Been here 5 years. Absolutely nothing good here. Very poor medical care . Nurses are called Dr. By the staff. I prefer Doctors trained in the USA to USA Standards. Not  More

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I have been here 5 years. Came here because of a popular real estate scam. Out in the desert Is a subdivision on Paper. As the lots are sold at tax auction they are  More

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Over 12 years ago

I have lived here since 1975.I met my wife here, married, raised our family, bought and paid for our home. As I prepare to retire I am saddened that we will probably  More

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