| Lancaster, PA | Petaluma, CA | United States |
Population | 58,034 | 60,050 | 329,725,481 |
Female Population | 52.3% | 50.1% | 50.5% |
Male Population | 47.7% | 49.9% | 49.5% |
Median Age | 32.3 | 42.8 | 38.4 |
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Population - 2010 | 59,277 | 58,048 | 309,327,143 |
Population - 2000 | 56,348 | 54,548 | 285,036,114 |
Population - 1990 | 55,551 | 43,184 | 251,960,433 |
Pop. 2000 to Now | 4.7% | 11.2% | 15.6% |
Pop. 1990 to Now | 6.2% | 40.4% | 30.8% |
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Population Density | 8,030.2 | 4,175.4 | 93.4 |
Land Area | 7.2 | 14.4 | 3,531,905.4 |
Water Area | 0.1 | 0.1 | 264,836.8 |
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Est. Total Population By Age | | | |
| Lancaster, PA | Petaluma, CA | United States |
Age 0 to 4 | 6.4% | 5.0% | 5.9% |
Age 5 to 9 | 5.8% | 5.5% | 6.1% |
Age 10 to 14 | 6.7% | 6.1% | 6.6% |
Age 15 to 17 | 3.9% | 4.0% | 3.9% |
Age 18 to 20 | 7.2% | 3.1% | 4.0% |
Age 21 to 24 | 6.5% | 3.0% | 5.2% |
Age 25 to 34 | 18.4% | 12.7% | 13.8% |
Age 35 to 44 | 14.2% | 13.7% | 12.9% |
Age 45 to 54 | 11.1% | 13.5% | 12.6% |
Age 55 to 59 | 5.7% | 7.4% | 6.7% |
Age 60 to 64 | 5.1% | 7.3% | 6.3% |
Age 65 to 74 | 5.9% | 11.1% | 9.6% |
Age 75 to 84 | 2.3% | 5.0% | 4.5% |
Age 85 and over | 0.8% | 2.6% | 1.9% |
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Race | | | |
| Lancaster, PA | Petaluma, CA | United States |
White | 38.8% | 68.1% | 59.4% |
Black | 13.0% | 1.3% | 12.2% |
Asian | 3.2% | 4.1% | 5.6% |
Native American | 0.0% | 0.2% | 0.6% |
Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
Other | 0.1% | 0.2% | 0.4% |
Two or More Races | 4.4% | 4.4% | 3.2% |
Hispanic | 40.4% | 21.6% | 18.4% |
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Marriage & Family | | | |
| Lancaster, PA | Petaluma, CA | United States |
Married Population | 36.5% | 53.4% | 49.8% |
Currently Married | 34.3% | 51.8% | 48.0% |
Married but Separated | 2.1% | 1.5% | 1.8% |
Single Population | 63.5% | 46.6% | 50.2% |
Never Married | 50.2% | 30.0% | 33.8% |
Divorced | 10.4% | 11.6% | 10.8% |
Widowed | 2.9% | 5.0% | 5.6% |
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Household Size | 2.56 | 2.61 | 2.60 |
Households | 21,266 | 22,756 | 124,010,992 |
Family Households | 12,371 | 15,059 | 80,755,759 |
Married couple, w/children | 23.4% | 34.8% | 30.5% |
Married couple, no children | 33.0% | 45.5% | 42.9% |
Non Family Households | 8,895 | 7,697 | 43,255,233 |
Single householder, w/children | 27.7% | 11.6% | 15.8% |
Single householder, no children | 15.9% | 8.1% | 10.8% |