| Year | Number of households (thousands) |
Percent of all house- holds |
Median income | House- holder poverty rate |
Percent with specified level of relative income |
|||
|---|---|---|---|---|---|---|---|---|
| Value | SE | Low | Middle | High | ||||
| 1969 | 1,324 | 2.1 | $34,060 | $1,002 | 14.9 | 16.2 | 61.0 | 22.8 |
| 1970 | 1,373 | 2.1 | $37,291 | $853 | 14.1 | 14.9 | 61.0 | 24.1 |
| 1971 | 1,548 | 2.3 | $32,250 | $889 | 16.4 | 16.0 | 64.0 | 20.0 |
| 1972 | 1,681 | 2.5 | $36,398 | $759 | 12.8 | 15.8 | 64.0 | 20.2 |
| 1973 | 1,792 | 2.6 | $39,115 | $882 | 11.8 | 14.0 | 64.2 | 21.8 |
| 1974 | 1,845 | 2.6 | $37,487 | $638 | 10.4 | 12.7 | 65.5 | 21.7 |
| 1975 | 2,014 | 2.8 | $37,773 | $825 | 11.8 | 12.5 | 66.0 | 21.5 |
| 1976 | 2,209 | 3.0 | $37,651 | $730 | 14.3 | 14.0 | 66.6 | 19.4 |
| 1977 | 2,396 | 3.2 | $38,458 | $642 | 13.2 | 12.8 | 67.4 | 19.9 |
| 1978 | 2,535 | 3.3 | $39,516 | $710 | 11.4 | 13.1 | 66.4 | 20.6 |
| 1979 | 2,826 | 3.5 | $39,916 | $779 | 11.6 | 12.6 | 66.5 | 20.9 |
| 1980 | 3,156 | 3.8 | $39,845 | $645 | 10.6 | 11.9 | 66.9 | 21.2 |
| 1981 | 3,139 | 3.8 | $38,542 | $934 | 13.5 | 13.9 | 66.1 | 20.0 |
| 1982 | 3,187 | 3.8 | $38,897 | $855 | 13.5 | 13.4 | 64.0 | 22.6 |
| 1983 | 3,292 | 3.9 | $38,614 | $679 | 13.5 | 14.0 | 63.3 | 22.7 |
| 1984 | 3,348 | 3.9 | $40,018 | $861 | 14.3 | 16.0 | 62.5 | 21.5 |
| 1985 | 3,630 | 4.1 | $41,351 | $1,039 | 12.3 | 14.8 | 63.0 | 22.2 |
| 1986 | 3,779 | 4.2 | $42,442 | $822 | 11.5 | 14.2 | 63.2 | 22.6 |
| 1987 | 3,997 | 4.4 | $41,509 | $678 | 11.5 | 15.5 | 63.7 | 20.8 |
| 1988 | 4,236 | 4.6 | $42,707 | $864 | 11.6 | 14.3 | 65.6 | 20.1 |
| 1989 | 4,082 | 4.4 | $43,770 | $806 | 9.3 | 12.4 | 67.3 | 20.3 |
| 1990 | 4,221 | 4.5 | $42,631 | $795 | 10.4 | 13.7 | 65.4 | 20.9 |
| 1991 | 4,327 | 4.5 | $41,057 | $727 | 11.2 | 13.3 | 66.2 | 20.5 |
| 1992 | 4,348 | 4.5 | $39,141 | $658 | 13.9 | 15.3 | 65.0 | 19.7 |
| 1993 | 4,369 | 4.5 | $40,175 | $741 | 13.4 | 14.1 | 64.3 | 21.5 |
| 1994 | 4,533 | 4.6 | $39,457 | $708 | 13.6 | 14.4 | 65.8 | 19.7 |
| 1995 | 4,641 | 4.7 | $39,329 | $797 | 13.6 | 15.7 | 64.6 | 19.7 |
| 1996 | 5,057 | 5.0 | $41,792 | $724 | 12.2 | 15.4 | 64.9 | 19.7 |
Source: U. S. Bureau of the Census, March Current Population Surveys.