USA.com / Pennsylvania / Northampton County / Bethlehem, PA / 18020 / Population and Races / Historical Household and Family Data
18020 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 20,586
| 18020 Zip Code | Pennsylvania | U.S. | |
| Total Households | 7,566, 100% | 4,957,736 | 116,211,092 |
| Average Household Size | 2.67, see rank | 2.49 | 2.63 |
| 1 Person Households | 1,573, 20.79%, see rank | 29.56% | 27.57% |
| 2 or More Person Households | 5,993, 79.21%, see rank | 70.44% | 72.43% |
| Family Households (Families) | 5,670, 74.94%, see rank | 64.63% | 66.22% |
| Average Family Size | 3.16, see rank | 3.17 | 3.32 |
| Married-Couple Family | 4,941, 65.31%, see rank | 48.29% | 48.42% |
| Nonfamily Households | 1,896, 25.06%, see rank | 35.37% | 33.78% |
US Census 2010 data
Total population: 20,447
| 18020 Zip Code | Pennsylvania | U.S. | |
| Total Households | 7,549, 100% | 5,018,904 | 116,716,292 |
| Average Household Size | 2.66, see rank | 2.45 | 2.58 |
| 1 Person Households | 1,482, 19.63%, see rank | 28.56% | 26.74% |
| 2 or More Person Households | 6,067, 80.37%, see rank | 71.44% | 73.26% |
| Family Households (Families) | 5,739, 76.02%, see rank | 64.98% | 66.43% |
| Average Family Size | 3.07, see rank | 3.02 | 3.14 |
| Married-Couple Family | 4,858, 64.35%, see rank | 48.17% | 48.42% |
| Nonfamily Households | 1,810, 23.98%, see rank | 35.02% | 33.57% |
ACS 2008-2012 data
Total population: 20,648
| 18020 Zip Code | Pennsylvania | U.S. | |
| Total Households | 7,630, 100% | 4,959,633 | 115,226,802 |
| Average Household Size | 2.65, see rank | 2.47 | 2.61 |
| 1 Person Households | 1,596, 20.92%, see rank | 29.31% | 27.45% |
| 2 or More Person Households | 6,034, 79.08%, see rank | 70.69% | 72.55% |
| Family Households (Families) | 5,766, 75.57%, see rank | 65.07% | 66.47% |
| Average Family Size | 3.13, see rank | 3.14 | 3.29 |
| Married-Couple Family | 4,986, 65.35%, see rank | 48.85% | 48.97% |
| Nonfamily Households | 1,864, 24.43%, see rank | 34.93% | 33.53% |
US Census 2000 data
Total population: 18,680
| 18020 Zip Code | Pennsylvania | U.S. | |
| Total Households | 6,641, 100% | 4,777,003 | 105,480,101 |
| Average Household Size | 2.71, see rank | 2.48 | 2.59 |
| 1 Person Households | 1,252, 18.85%, see rank | 27.65% | 25.82% |
| 2 or More Person Households | 5,389, 81.15%, see rank | 72.35% | 74.18% |
| Family Households (Families) | 5,151, 77.56%, see rank | 67.16% | 68.06% |
| Average Family Size | 3.11, see rank | 3.04 | 3.14 |
| Married-Couple Family | 4,498, 67.73%, see rank | 51.66% | 51.66% |
| Nonfamily Households | 1,490, 22.44%, see rank | 32.84% | 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.