Arlington County (1990 and 2000)
| 1990 | 2000 | 1990 - 2000 | ||||
| Number | Percent | Number | Percent | Change | % Change | |
| Person 15 Years and Over | 148,571 | 100.0% | 162,652 | 100.0% | 14,081 | 9.5% |
| Never Married | 58,678 | 39.5% | 67,857 | 41.7% | 9,179 | 15.6% |
| Currently Married (except Separated) | 64,802 | 43.6% | 70,949 | 43.6% | 6,147 | 9.5% |
| Separated | 3,959 | 2.7% | 3,750 | 2.3% | -209 | -5.3% |
| Widowed | 8,279 | 5.6% | 7,110 | 4.4% | -1,169 | -14.1% |
| Divorced | 12,853 | 8.7% | 12,986 | 8.0% | 133 | 1.0% |
Source: U.S. Census Bureau