USA.com / Maryland / Anne Arundel County / Riva, MD / 21140 / Population and Races / Historical Household and Family Data
21140 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 3,386
21140 Zip Code | Maryland | U.S. | |
Total Households | 1,297, 100% | 2,155,983 | 116,211,092 |
Average Household Size | 2.61, see rank | 2.67 | 2.63 |
1 Person Households | 272, 20.97%, see rank | 26.95% | 27.57% |
2 or More Person Households | 1,025, 79.03%, see rank | 73.05% | 72.43% |
Family Households (Families) | 932, 71.86%, see rank | 67.07% | 66.22% |
Average Family Size | 3.11, see rank | 3.35 | 3.32 |
Married-Couple Family | 837, 64.53%, see rank | 47.68% | 48.42% |
Nonfamily Households | 365, 28.14%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 3,457
21140 Zip Code | Maryland | U.S. | |
Total Households | 1,313, 100% | 2,156,411 | 116,716,292 |
Average Household Size | 2.63, see rank | 2.61 | 2.58 |
1 Person Households | 236, 17.97%, see rank | 26.11% | 26.74% |
2 or More Person Households | 1,077, 82.03%, see rank | 73.89% | 73.26% |
Family Households (Families) | 1,012, 77.08%, see rank | 67.10% | 66.43% |
Average Family Size | 2.98, see rank | 3.15 | 3.14 |
Married-Couple Family | 865, 65.88%, see rank | 47.61% | 48.42% |
Nonfamily Households | 301, 22.92%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 3,479
21140 Zip Code | Maryland | U.S. | |
Total Households | 1,294, 100% | 2,138,806 | 115,226,802 |
Average Household Size | 2.69, see rank | 2.64 | 2.61 |
1 Person Households | 283, 21.87%, see rank | 27.12% | 27.45% |
2 or More Person Households | 1,011, 78.13%, see rank | 72.88% | 72.55% |
Family Households (Families) | 969, 74.88%, see rank | 66.97% | 66.47% |
Average Family Size | 3.21, see rank | 3.32 | 3.29 |
Married-Couple Family | 843, 65.15%, see rank | 48.03% | 48.97% |
Nonfamily Households | 325, 25.12%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 3,417
21140 Zip Code | Maryland | U.S. | |
Total Households | 1,233, 100% | 1,980,859 | 105,480,101 |
Average Household Size | 2.77, see rank | 2.61 | 2.59 |
1 Person Households | 172, 13.95%, see rank | 25.01% | 25.82% |
2 or More Person Households | 1,061, 86.05%, see rank | 74.99% | 74.18% |
Family Households (Families) | 1,008, 81.75%, see rank | 68.62% | 68.06% |
Average Family Size | 3.06, see rank | 3.13 | 3.14 |
Married-Couple Family | 879, 71.29%, see rank | 50.21% | 51.66% |
Nonfamily Households | 225, 18.25%, see rank | 31.38% | 31.94% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.