| 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 | 3,897 | 6.1 | $7,025 | $97 | 49.4 | 68.2 | 29.1 | 2.7 |
| 1970 | 4,044 | 6.3 | $7,138 | $92 | 51.1 | 66.8 | 30.6 | 2.6 |
| 1971 | 4,342 | 6.5 | $7,539 | $89 | 44.9 | 64.1 | 32.9 | 3.0 |
| 1972 | 4,391 | 6.4 | $8,114 | $84 | 39.4 | 65.5 | 31.5 | 3.0 |
| 1973 | 4,509 | 6.5 | $8,603 | $84 | 34.4 | 63.3 | 34.7 | 2.0 |
| 1974 | 4,715 | 6.6 | $8,785 | $72 | 31.3 | 62.2 | 35.2 | 2.5 |
| 1975 | 5,136 | 7.0 | $8,990 | $73 | 31.6 | 58.5 | 39.1 | 2.4 |
| 1976 | 5,139 | 6.9 | $9,020 | $74 | 30.7 | 58.4 | 39.2 | 2.4 |
| 1977 | 5,362 | 7.1 | $9,320 | $73 | 28.3 | 58.8 | 39.1 | 2.1 |
| 1978 | 5,595 | 7.2 | $9,574 | $96 | 28.3 | 57.0 | 40.1 | 2.8 |
| 1979 | 5,841 | 7.2 | $9,382 | $92 | 30.3 | 59.8 | 37.7 | 2.6 |
| 1980 | 6,034 | 7.3 | $9,437 | $88 | 32.1 | 57.8 | 39.7 | 2.5 |
| 1981 | 6,180 | 7.4 | $9,602 | $91 | 31.2 | 55.3 | 41.4 | 3.3 |
| 1982 | 6,232 | 7.4 | $10,039 | $174 | 27.9 | 52.8 | 44.2 | 3.1 |
| 1983 | 6,327 | 7.4 | $10,926 | $206 | 26.0 | 48.7 | 46.6 | 4.7 |
| 1984 | 6,497 | 7.5 | $10,865 | $194 | 24.6 | 50.7 | 45.2 | 4.1 |
| 1985 | 6,637 | 7.5 | $10,508 | $197 | 26.8 | 53.4 | 42.9 | 3.7 |
| 1986 | 6,709 | 7.5 | $10,648 | $195 | 26.2 | 54.4 | 42.3 | 3.3 |
| 1987 | 6,764 | 7.4 | $10,922 | $203 | 25.3 | 53.9 | 43.0 | 3.1 |
| 1988 | 6,935 | 7.5 | $10,858 | $219 | 25.0 | 54.5 | 42.3 | 3.1 |
| 1989 | 7,233 | 7.7 | $11,388 | $195 | 23.3 | 52.9 | 43.5 | 3.6 |
| 1990 | 7,370 | 7.8 | $11,257 | $187 | 26.5 | 51.9 | 44.6 | 3.5 |
| 1991 | 7,437 | 7.8 | $11,068 | $188 | 26.6 | 51.4 | 45.9 | 2.7 |
| 1992 | 7,306 | 7.6 | $10,924 | $180 | 26.5 | 51.5 | 45.2 | 3.3 |
| 1993 | 7,273 | 7.5 | $10,823 | $180 | 26.2 | 51.9 | 44.9 | 3.2 |
| 1994 | 7.607 | 7.7 | $11,145 | $166 | 24.9 | 50.3 | 46.4 | 3.2 |
| 1995 | 7,540 | 7.6 | $11,304 | $175 | 23.6 | 51.0 | 45.9 | 3.1 |
| 1996 | 7,619 | 7.5 | $11,454 | $170 | 23.1 | 51.1 | 45.6 | 3.2 |
Source: U. S. Bureau of the Census, March Current Population Surveys.