| Santa Maria, CA | Riverdale, UT | United States |
Population | 109,309 | 9,279 | 329,725,481 |
Female Population | 50.3% | 50.2% | 50.5% |
Male Population | 49.7% | 49.8% | 49.5% |
Median Age | 29.2 | 29.3 | 38.4 |
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Population - 2010 | 99,633 | 8,505 | 309,327,143 |
Population - 2000 | 77,423 | 7,656 | 285,036,114 |
Population - 1990 | 61,284 | 6,419 | 251,960,433 |
Pop. 2000 to Now | 36.7% | 17.4% | 15.6% |
Pop. 1990 to Now | 72.7% | 40.0% | 30.8% |
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Population Density | 4,797.6 | 1,982.3 | 93.4 |
Land Area | 22.8 | 4.7 | 3,531,905.4 |
Water Area | 0.6 | 0.0 | 264,836.8 |
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Est. Total Population By Age | | | |
| Santa Maria, CA | Riverdale, UT | United States |
Age 0 to 4 | 9.6% | 9.6% | 5.9% |
Age 5 to 9 | 8.4% | 7.8% | 6.1% |
Age 10 to 14 | 8.6% | 7.0% | 6.6% |
Age 15 to 17 | 4.7% | 4.0% | 3.9% |
Age 18 to 20 | 5.4% | 5.0% | 4.0% |
Age 21 to 24 | 7.4% | 7.3% | 5.2% |
Age 25 to 34 | 13.6% | 16.6% | 13.8% |
Age 35 to 44 | 12.9% | 12.7% | 12.9% |
Age 45 to 54 | 11.0% | 9.0% | 12.6% |
Age 55 to 59 | 4.6% | 3.1% | 6.7% |
Age 60 to 64 | 3.8% | 6.1% | 6.3% |
Age 65 to 74 | 5.5% | 6.8% | 9.6% |
Age 75 to 84 | 2.7% | 4.4% | 4.5% |
Age 85 and over | 1.9% | 0.8% | 1.9% |
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Race | | | |
| Santa Maria, CA | Riverdale, UT | United States |
White | 15.1% | 74.7% | 59.4% |
Black | 1.1% | 0.3% | 12.2% |
Asian | 4.5% | 1.8% | 5.6% |
Native American | 0.2% | 0.1% | 0.6% |
Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
Other | 0.1% | 0.0% | 0.4% |
Two or More Races | 1.6% | 1.3% | 3.2% |
Hispanic | 77.4% | 21.8% | 18.4% |
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Marriage & Family | | | |
| Santa Maria, CA | Riverdale, UT | United States |
Married Population | 46.0% | 58.5% | 49.8% |
Currently Married | 43.9% | 57.7% | 48.0% |
Married but Separated | 2.1% | 0.9% | 1.8% |
Single Population | 54.0% | 41.5% | 50.2% |
Never Married | 41.5% | 26.8% | 33.8% |
Divorced | 8.2% | 9.7% | 10.8% |
Widowed | 4.3% | 5.0% | 5.6% |
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Household Size | 3.76 | 2.81 | 2.60 |
Households | 28,803 | 3,302 | 124,010,992 |
Family Households | 22,840 | 2,405 | 80,755,759 |
Married couple, w/children | 35.9% | 40.2% | 30.5% |
Married couple, no children | 28.6% | 40.9% | 42.9% |
Non Family Households | 5,963 | 897 | 43,255,233 |
Single householder, w/children | 25.3% | 12.4% | 15.8% |
Single householder, no children | 10.2% | 6.4% | 10.8% |