| 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 | 1,173 | 1.9 | $8,936 | $209 | 39.1 | 53.7 | 42.2 | 4.0 |
| 1970 | 1,181 | 1.8 | $8,707 | $184 | 38.9 | 56.2 | 40.7 | 3.1 |
| 1971 | 1,213 | 1.8 | $9,421 | $194 | 31.9 | 50.4 | 44.5 | 5.0 |
| 1972 | 1,247 | 1.8 | $10,559 | $308 | 22.7 | 47.1 | 48.7 | 4.3 |
| 1973 | 1,279 | 1.8 | $10,059 | $320 | 25.4 | 52.3 | 41.5 | 6.2 |
| 1974 | 1,297 | 1.8 | $10,569 | $366 | 23.9 | 48.4 | 45.6 | 6.0 |
| 1975 | 1,332 | 1.8 | $10,397 | $313 | 26.5 | 47.7 | 47.0 | 5.2 |
| 1976 | 1,343 | 1.8 | $10,685 | $321 | 24.4 | 47.5 | 48.1 | 4.3 |
| 1977 | 1,439 | 1.9 | $10,558 | $292 | 21.7 | 49.9 | 45.6 | 4.6 |
| 1978 | 1,471 | 1.9 | $11,206 | $420 | 20.3 | 48.2 | 46.2 | 5.5 |
| 1979 | 1,486 | 1.8 | $11,227 | $372 | 23.8 | 48.6 | 45.3 | 6.1 |
| 1980 | 1,450 | 1.8 | $11,326 | $375 | 24.3 | 47.1 | 46.3 | 6.6 |
| 1981 | 1,492 | 1.8 | $11,901 | $381 | 22.5 | 42.7 | 49.5 | 7.9 |
| 1982 | 1,624 | 1.9 | $12,688 | $397 | 20.5 | 40.9 | 49.1 | 10.0 |
| 1983 | 1,590 | 1.9 | $13,615 | $421 | 20.7 | 39.3 | 52.4 | 8.3 |
| 1984 | 1,614 | 1.9 | $12,700 | $416 | 19.5 | 42.9 | 50.9 | 6.2 |
| 1985 | 1,681 | 1.9 | $13,526 | $425 | 19.2 | 41.5 | 51.0 | 7.5 |
| 1986 | 1,801 | 2.0 | $13,706 | $431 | 19.0 | 42.7 | 49.8 | 7.4 |
| 1987 | 1,904 | 2.1 | $13,812 | $371 | 19.4 | 42.5 | 51.6 | 5.9 |
| 1988 | 1,916 | 2.1 | $13,573 | $423 | 18.0 | 43.1 | 49.5 | 7.5 |
| 1989 | 1,942 | 2.1 | $14,288 | $394 | 17.4 | 42.5 | 50.3 | 7.2 |
| 1990 | 2,010 | 2.1 | $15,389 | $533 | 16.3 | 36.8 | 55.1 | 8.1 |
| 1991 | 2,086 | 2.2 | $14,113 | $364 | 17.5 | 38.5 | 53.6 | 7.8 |
| 1992 | 1,969 | 2.0 | $13,701 | $331 | 17.6 | 37.0 | 55.4 | 7.6 |
| 1993 | 2,046 | 2.1 | $14,821 | $379 | 13.9 | 32.7 | 57.8 | 9.5 |
| 1994 | 2,254 | 2.3 | $14,624 | $327 | 14.8 | 32.6 | 58.2 | 9.2 |
| 1995 | 2,307 | 2.3 | $15,048 | $417 | 13.3 | 36.7 | 54.8 | 8.5 |
| 1996 | 2,314 | 2.3 | $14,586 | $339 | 13.4 | 34.9 | 57.1 | 8.1 |
Source: U. S. Bureau of the Census, March Current Population Surveys.