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2026 Compare Cities People:
Arco, ID vs Unicoi, TN

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Highlights
- Unicoi is 0% more densely populated than Arco.
- People are 4.5% less likely to be married in Unicoi.
- The Median Age is 13.0 years older in Unicoi.
 Arco, IDUnicoi, TNUnited States
 Population  Unlock3,793329,725,481
 Female Population60.7%  Unlock50.5%
 Male Population39.4%  Unlock49.5%
 Median Age  Unlock50.338.4
 space3
 Population - 2010990  Unlock309,327,143
 Population - 2000  Unlock3,519285,036,114
 Population - 19901,016  Unlock251,960,433
 Pop. 2000 to Now  Unlock1.7%15.6%
 Pop. 1990 to Now-12.1%  Unlock30.8%
 space4
 Population Density  Unlock234.393.4
 Land Area1.1  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Arco, IDUnicoi, TNUnited States
 Age 0 to 46.2%  Unlock5.9%
 Age 5 to 9  Unlock3.3%6.1%
 Age 10 to 145.7%  Unlock6.6%
 Age 15 to 17  Unlock1.2%3.9%
 Age 18 to 203.4%  Unlock4.0%
 Age 21 to 24  Unlock5.8%5.2%
 Age 25 to 349.4%  Unlock13.8%
 Age 35 to 44  Unlock7.7%12.9%
 Age 45 to 545.8%  Unlock12.6%
 Age 55 to 59  Unlock9.8%6.7%
 Age 60 to 6410.9%  Unlock6.3%
 Age 65 to 74  Unlock11.8%9.6%
 Age 75 to 846.5%  Unlock4.5%
 Age 85 and over  Unlock1.9%1.9%
 space1
 Race
 Arco, IDUnicoi, TNUnited States
 White90.4%  Unlock59.4%
 Black  Unlock0.2%12.2%
 Asian0.0%  Unlock5.6%
 Native American  Unlock0.8%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races7.1%  Unlock3.2%
 Hispanic  Unlock3.9%18.4%
 space2
 Marriage & Family
 Arco, IDUnicoi, TNUnited States
 Married Population52.8%  Unlock49.8%
     Currently Married  Unlock47.9%48.0%
 Married but Separated0.0%  Unlock1.8%
 Single Population  Unlock49.5%50.2%
 Never Married14.9%  Unlock33.8%
 Divorced  Unlock18.0%10.8%
 Widowed7.5%  Unlock5.6%
 space5
 Household Size  Unlock2.282.60
 Households263  Unlock124,010,992
 Family Households  Unlock93380,755,759
     Married couple, w/children24.7%  Unlock30.5%
     Married couple, no children  Unlock45.7%42.9%
 Non Family Households93  Unlock43,255,233
     Single householder, w/children  Unlock7.5%15.8%
     Single householder, no children8.2%  Unlock10.8%
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Reviews for Arco    0 Reviews

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Reviews for Unicoi    1 Reviews
Kathy Banks · Collierville, TN
Unicoi a great retreat with a rural flare!
Over 4 years ago

My daughter's home is in Unicoi - and the area is peaceful and breath takingly beautiful. She has been there for 2 years and I visit often. Unicoi is a short drive - 15  More

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Learn More About Arco, Idaho
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Learn More About Unicoi, Tennessee
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