| King of Prussia, PA | Fairmount, PA | United States |
Population | 23,841 | 1,255 | 329,725,481 |
Female Population | 50.0% | 53.1% | 50.5% |
Male Population | 50.0% | 46.9% | 49.5% |
Median Age | 36.9 | 49.5 | 38.4 |
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Population - 2010 | 19,735 | 1,273 | 309,327,143 |
Population - 2000 | 18,511 | 1,226 | 285,036,114 |
Population - 1990 | 18,406 | 1,211 | 251,960,433 |
Pop. 2000 to Now | 10.5% | 2.1% | 15.6% |
Pop. 1990 to Now | 11.1% | 3.4% | 30.8% |
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Population Density | 2,809.5 | 27.5 | 93.4 |
Land Area | 8.5 | 45.7 | 3,531,905.4 |
Water Area | 0.2 | 0.5 | 264,836.8 |
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Est. Total Population By Age | | | |
| King of Prussia, PA | Fairmount, PA | United States |
Age 0 to 4 | 6.9% | 3.2% | 5.9% |
Age 5 to 9 | 5.2% | 2.2% | 6.1% |
Age 10 to 14 | 4.1% | 3.3% | 6.6% |
Age 15 to 17 | 2.0% | 5.8% | 3.9% |
Age 18 to 20 | 1.3% | 6.1% | 4.0% |
Age 21 to 24 | 4.8% | 3.7% | 5.2% |
Age 25 to 34 | 22.4% | 9.6% | 13.8% |
Age 35 to 44 | 12.5% | 7.7% | 12.9% |
Age 45 to 54 | 11.6% | 19.7% | 12.6% |
Age 55 to 59 | 7.4% | 6.9% | 6.7% |
Age 60 to 64 | 4.7% | 7.1% | 6.3% |
Age 65 to 74 | 8.8% | 17.7% | 9.6% |
Age 75 to 84 | 6.0% | 4.3% | 4.5% |
Age 85 and over | 2.3% | 2.6% | 1.9% |
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Race | | | |
| King of Prussia, PA | Fairmount, PA | United States |
White | 61.5% | 94.9% | 59.4% |
Black | 6.7% | 0.1% | 12.2% |
Asian | 25.0% | 0.0% | 5.6% |
Native American | 0.0% | 0.0% | 0.6% |
Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
Other | 0.7% | 1.4% | 0.4% |
Two or More Races | 2.7% | 3.3% | 3.2% |
Hispanic | 3.4% | 0.3% | 18.4% |
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Marriage & Family | | | |
| King of Prussia, PA | Fairmount, PA | United States |
Married Population | 54.4% | 57.0% | 49.8% |
Currently Married | 53.3% | 55.7% | 48.0% |
Married but Separated | 1.1% | 1.3% | 1.8% |
Single Population | 45.6% | 43.0% | 50.2% |
Never Married | 33.5% | 27.1% | 33.8% |
Divorced | 7.0% | 8.5% | 10.8% |
Widowed | 5.1% | 7.4% | 5.6% |
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Household Size | 2.25 | 2.29 | 2.60 |
Households | 10,555 | 547 | 124,010,992 |
Family Households | 5,907 | 362 | 80,755,759 |
Married couple, w/children | 36.1% | 19.9% | 30.5% |
Married couple, no children | 49.0% | 62.7% | 42.9% |
Non Family Households | 4,648 | 185 | 43,255,233 |
Single householder, w/children | 6.7% | 13.5% | 15.8% |
Single householder, no children | 8.2% | 3.9% | 10.8% |