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2025 Compare Cities People:
Ennis, MT vs Island Park, ID

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Highlights
- Island Park is 0% more densely populated than Ennis.
- People are 2.1% more likely to be married in Island Park.
- The Median Age is 4.5 years older in Island Park.
 Ennis, MTIsland Park, IDUnited States
 Population  Unlock184329,725,481
 Female Population45.6%  Unlock50.5%
 Male Population54.4%  Unlock49.5%
 Median Age  Unlock62.738.4
 space3
 Population - 2010839  Unlock309,327,143
 Population - 2000  Unlock215285,036,114
 Population - 1990773  Unlock251,960,433
 Pop. 2000 to Now  Unlock20.9%15.6%
 Pop. 1990 to Now34.8%  Unlock30.8%
 space4
 Population Density  Unlock30.393.4
 Land Area0.7  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Ennis, MTIsland Park, IDUnited States
 Age 0 to 40.0%  Unlock5.9%
 Age 5 to 9  Unlock2.7%6.1%
 Age 10 to 140.0%  Unlock6.6%
 Age 15 to 17  Unlock1.6%3.9%
 Age 18 to 200.0%  Unlock4.0%
 Age 21 to 24  Unlock0.0%5.2%
 Age 25 to 3411.6%  Unlock13.8%
 Age 35 to 44  Unlock4.3%12.9%
 Age 45 to 5415.9%  Unlock12.6%
 Age 55 to 59  Unlock9.8%6.7%
 Age 60 to 6411.3%  Unlock6.3%
 Age 65 to 74  Unlock38.6%9.6%
 Age 75 to 846.8%  Unlock4.5%
 Age 85 and over  Unlock1.1%1.9%
 space1
 Race
 Ennis, MTIsland Park, IDUnited States
 White94.1%  Unlock59.4%
 Black  Unlock0.0%12.2%
 Asian0.0%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races0.0%  Unlock3.2%
 Hispanic  Unlock0.0%18.4%
 space2
 Marriage & Family
 Ennis, MTIsland Park, IDUnited States
 Married Population50.6%  Unlock49.8%
     Currently Married  Unlock51.7%48.0%
 Married but Separated3.8%  Unlock1.8%
 Single Population  Unlock48.3%50.2%
 Never Married25.6%  Unlock33.8%
 Divorced  Unlock30.7%10.8%
 Widowed8.4%  Unlock5.6%
 space5
 Household Size  Unlock2.072.60
 Households366  Unlock124,010,992
 Family Households  Unlock4680,755,759
     Married couple, w/children18.9%  Unlock30.5%
     Married couple, no children  Unlock65.2%42.9%
 Non Family Households234  Unlock43,255,233
     Single householder, w/children  Unlock6.5%15.8%
     Single householder, no children0.0%  Unlock10.8%
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Reviews for Island Park    1 Reviews
Bob · Rexburg, ID
Island Park is an outdoor heaven!
Over 8 years ago

Love going to Island park in the summer to ride quads and float the river, and in the winter to ride snowmobiles and spend time at the cabin with  More

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Learn More About Ennis, Montana
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Learn More About Island Park, Idaho
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