USA.com / Maryland / Montgomery County / Silver Spring, MD / 20905 / Population and Races / Historical Household and Family Data
20905 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 17,867
| 20905 Zip Code | Maryland | U.S. | |
| Total Households | 5,662, 100% | 2,155,983 | 116,211,092 |
| Average Household Size | 3.15, see rank | 2.67 | 2.63 |
| 1 Person Households | 783, 13.83%, see rank | 26.95% | 27.57% |
| 2 or More Person Households | 4,879, 86.17%, see rank | 73.05% | 72.43% |
| Family Households (Families) | 4,660, 82.30%, see rank | 67.07% | 66.22% |
| Average Family Size | 3.56, see rank | 3.35 | 3.32 |
| Married-Couple Family | 4,020, 71.00%, see rank | 47.68% | 48.42% |
| Nonfamily Households | 1,002, 17.70%, see rank | 32.93% | 33.78% |
US Census 2010 data
Total population: 18,044
| 20905 Zip Code | Maryland | U.S. | |
| Total Households | 5,810, 100% | 2,156,411 | 116,716,292 |
| Average Household Size | 3.10, see rank | 2.61 | 2.58 |
| 1 Person Households | 747, 12.86%, see rank | 26.11% | 26.74% |
| 2 or More Person Households | 5,063, 87.14%, see rank | 73.89% | 73.26% |
| Family Households (Families) | 4,900, 84.34%, see rank | 67.10% | 66.43% |
| Average Family Size | 3.36, see rank | 3.15 | 3.14 |
| Married-Couple Family | 4,117, 70.86%, see rank | 47.61% | 48.42% |
| Nonfamily Households | 910, 15.66%, see rank | 32.90% | 33.57% |
ACS 2008-2012 data
Total population: 17,489
| 20905 Zip Code | Maryland | U.S. | |
| Total Households | 5,712, 100% | 2,138,806 | 115,226,802 |
| Average Household Size | 3.06, see rank | 2.64 | 2.61 |
| 1 Person Households | 745, 13.04%, see rank | 27.12% | 27.45% |
| 2 or More Person Households | 4,967, 86.96%, see rank | 72.88% | 72.55% |
| Family Households (Families) | 4,769, 83.49%, see rank | 66.97% | 66.47% |
| Average Family Size | 3.42, see rank | 3.32 | 3.29 |
| Married-Couple Family | 4,142, 72.51%, see rank | 48.03% | 48.97% |
| Nonfamily Households | 943, 16.51%, see rank | 33.03% | 33.53% |
US Census 2000 data
Total population: 18,098
| 20905 Zip Code | Maryland | U.S. | |
| Total Households | 5,755, 100% | 1,980,859 | 105,480,101 |
| Average Household Size | 3.13, see rank | 2.61 | 2.59 |
| 1 Person Households | 610, 10.60%, see rank | 25.01% | 25.82% |
| 2 or More Person Households | 5,145, 89.40%, see rank | 74.99% | 74.18% |
| Family Households (Families) | 4,964, 86.26%, see rank | 68.62% | 68.06% |
| Average Family Size | 3.37, see rank | 3.13 | 3.14 |
| Married-Couple Family | 4,302, 74.75%, see rank | 50.21% | 51.66% |
| Nonfamily Households | 791, 13.74%, 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.