2026 Compare Cities People:
Dormont, PA vs Collier, PA

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Highlights
- Collier is 0% more densely populated than Dormont.
- People are 47.5% more likely to be married in Collier.
- The Median Age is 12.6 years older in Collier.
 Dormont, PACollier, PAUnited States
 Population  Unlock8,733329,725,481
 Female Population47.3%  Unlock50.5%
 Male Population52.7%  Unlock49.5%
 Median Age  Unlock49.738.4
 space3
 Population - 20108,601  Unlock309,327,143
 Population - 2000  Unlock5,265285,036,114
 Population - 19909,772  Unlock251,960,433
 Pop. 2000 to Now  Unlock56.6%15.6%
 Pop. 1990 to Now-15.8%  Unlock30.8%
 space4
 Population Density  Unlock643.593.4
 Land Area0.8  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Dormont, PACollier, PAUnited States
 Age 0 to 44.9%  Unlock5.9%
 Age 5 to 9  Unlock4.8%6.1%
 Age 10 to 143.2%  Unlock6.6%
 Age 15 to 17  Unlock3.4%3.9%
 Age 18 to 201.7%  Unlock4.0%
 Age 21 to 24  Unlock2.8%5.2%
 Age 25 to 3423.4%  Unlock13.8%
 Age 35 to 44  Unlock12.7%12.9%
 Age 45 to 5412.1%  Unlock12.6%
 Age 55 to 59  Unlock6.1%6.7%
 Age 60 to 646.3%  Unlock6.3%
 Age 65 to 74  Unlock18.5%9.6%
 Age 75 to 843.6%  Unlock4.5%
 Age 85 and over  Unlock3.0%1.9%
 space1
 Race
 Dormont, PACollier, PAUnited States
 White90.7%  Unlock59.4%
 Black  Unlock2.4%12.2%
 Asian1.1%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races2.3%  Unlock3.2%
 Hispanic  Unlock0.8%18.4%
 space2
 Marriage & Family
 Dormont, PACollier, PAUnited States
 Married Population40.7%  Unlock49.8%
     Currently Married  Unlock58.5%48.0%
 Married but Separated1.3%  Unlock1.8%
 Single Population  Unlock39.9%50.2%
 Never Married44.1%  Unlock33.8%
 Divorced  Unlock9.6%10.8%
 Widowed4.7%  Unlock5.6%
 space5
 Household Size  Unlock2.132.60
 Households4,189  Unlock124,010,992
 Family Households  Unlock2,44980,755,759
     Married couple, w/children25.9%  Unlock30.5%
     Married couple, no children  Unlock60.6%42.9%
 Non Family Households2,333  Unlock43,255,233
     Single householder, w/children  Unlock10.5%15.8%
     Single householder, no children11.8%  Unlock10.8%
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