Rock Island County, IL
Population and Components of Change
| Date |
Population |
%
Change |
Components of Change |
Total
Population
Change |
Births |
Deaths |
Inter-
national
Immigra-
tion |
Net
Domestic
Migration |
| 1970 | 166,734 | - | - |
- | - | - | - |
| 1971 | 166,600 | -0.1 | -134 |
- | - | - | - |
| 1972 | 167,300 | 0.4 | 700 |
- | - | - | - |
| 1973 | 166,800 | -0.3 | -500 |
- | - | - | - |
| 1974 | 168,400 | 1.0 | 1,600 |
- | - | - | - |
| 1975 | 169,100 | 0.4 | 700 |
- | - | - | - |
| 1976 | 169,000 | -0.1 | -100 |
- | - | - | - |
| 1977 | 167,800 | -0.7 | -1,200 |
- | - | - | - |
| 1978 | 167,200 | -0.4 | -600 |
- | - | - | - |
| 1979 | 166,300 | -0.5 | -900 |
- | - | - | - |
| 1980 | 166,759 | 0.3 | 459 |
- | - | - | - |
| 1981 | 167,781 | 0.6 | 1,022 |
3,503 | 1,908 | - | - |
| 1982 | 166,165 | -1.0 | -1,616 |
2,739 | 1,538 | - | - |
| 1983 | 164,006 | -1.3 | -2,159 |
2,586 | 1,518 | - | - |
| 1984 | 162,115 | -1.2 | -1,891 |
2,412 | 1,477 | - | - |
| 1985 | 158,931 | -2.0 | -3,184 |
2,290 | 1,484 | - | - |
| 1986 | 155,640 | -2.1 | -3,291 |
2,215 | 1,534 | - | - |
| 1987 | 152,819 | -1.8 | -2,821 |
2,186 | 1,540 | - | - |
| 1988 | 150,372 | -1.6 | -2,447 |
2,121 | 1,549 | - | - |
| 1989 | 149,691 | -0.5 | -681 |
2,141 | 1,556 | - | - |
| 1990 | 148,723 | -0.6 | -968 |
1,665 | 1,159 | - | - |
| 1991 | 149,563 | 0.6 | 840 |
2,640 | 1,863 | 88 | -281 |
| 1992 | 150,439 | 0.6 | 876 |
2,155 | 1,508 | 93 | -83 |
| 1993 | 150,912 | 0.3 | 473 |
2,063 | 1,532 | 68 | -355 |
| 1994 | 150,646 | -0.2 | -266 |
1,988 | 1,598 | 98 | -974 |
| 1995 | 150,475 | -0.1 | -171 |
1,920 | 1,550 | 134 | -894 |
| 1996 | 149,856 | -0.4 | -619 |
1,886 | 1,590 | 156 | -1,275 |
| 1997 | 149,937 | 0.1 | 81 |
1,964 | 1,571 | 162 | -701 |
| 1998 | 150,027 | 0.1 | 90 |
2,004 | 1,519 | 135 | -747 |
| 1999 | 149,961 | 0.0 | -66 |
1,961 | 1,584 | 163 | -907 |
| 2000 | 149,374 | -0.4 | -587 |
- | - | - | - |
| 2001 | 148,620 | -0.5 | -754 |
2,429 | 1,875 | 357 | -1,552 |
| 2002 | 148,133 | -0.3 | -487 |
1,904 | 1,476 | 277 | -1,085 |
| 2003 | 147,056 | -0.7 | -1,077 |
1,951 | 1,511 | 232 | -1,652 |
| 2004 | 146,857 | -0.1 | -199 |
1,922 | 1,381 | 236 | -852 |
| 2005 | 146,532 | -0.2 | -325 |
1,971 | 1,455 | 237 | -942 |
| 2006 | 146,379 | -0.1 | -153 |
1,995 | 1,400 | 239 | -923 |
| 2007 | 147,136 | 0.5 | 757 |
1,888 | 1,444 | 224 | 75 |
| 2008 | 146,886 | -0.2 | -250 |
2,057 | 1,444 | 227 | -1,160 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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