Arlington County (1959 - 1999)
| 1989 | 1999 | 1989-1999 | ||||
| Number | Percent | Number | Percent | Change | % Change | |
| Persons for whom poverty status is determined | 166,642 | 100.0% | 184,244 | 100.0% | 17,602 | 10.6% |
| Below poverty level | 11,895 | 7.1% | 14,371 | 7.8% | 2,476 | 20.8% |
| Related children under 18 | 25,111 | 100.0% | 30,341 | 100.0% | 5,230 | 20.8% |
| Below poverty level | 2,071 | 8.2% | 2,761 | 9.1% | 690 | 33.3% |
Source: U.S. Census Bureau