Lee 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 | 37,947 | - | - |
- | - | - | - |
| 1971 | 37,900 | -0.1 | -47 |
- | - | - | - |
| 1972 | 37,000 | -2.4 | -900 |
- | - | - | - |
| 1973 | 37,100 | 0.3 | 100 |
- | - | - | - |
| 1974 | 36,700 | -1.1 | -400 |
- | - | - | - |
| 1975 | 36,900 | 0.5 | 200 |
- | - | - | - |
| 1976 | 36,900 | 0.0 | 0 |
- | - | - | - |
| 1977 | 36,800 | -0.3 | -100 |
- | - | - | - |
| 1978 | 37,000 | 0.5 | 200 |
- | - | - | - |
| 1979 | 36,500 | -1.4 | -500 |
- | - | - | - |
| 1980 | 36,328 | -0.5 | -172 |
- | - | - | - |
| 1981 | 36,633 | 0.8 | 305 |
710 | 470 | - | - |
| 1982 | 35,724 | -2.5 | -909 |
549 | 349 | - | - |
| 1983 | 34,656 | -3.0 | -1,068 |
538 | 347 | - | - |
| 1984 | 34,476 | -0.5 | -180 |
523 | 356 | - | - |
| 1985 | 34,330 | -0.4 | -146 |
501 | 327 | - | - |
| 1986 | 34,238 | -0.3 | -92 |
482 | 320 | - | - |
| 1987 | 34,184 | -0.2 | -54 |
471 | 339 | - | - |
| 1988 | 34,249 | 0.2 | 65 |
483 | 354 | - | - |
| 1989 | 34,210 | -0.1 | -39 |
485 | 345 | - | - |
| 1990 | 34,392 | 0.5 | 182 |
360 | 246 | - | - |
| 1991 | 34,711 | 0.9 | 319 |
556 | 446 | 10 | 186 |
| 1992 | 34,929 | 0.6 | 218 |
510 | 322 | 6 | 8 |
| 1993 | 35,345 | 1.2 | 416 |
409 | 345 | 18 | 310 |
| 1994 | 35,614 | 0.8 | 269 |
409 | 386 | 9 | 211 |
| 1995 | 36,040 | 1.2 | 426 |
405 | 346 | 25 | 323 |
| 1996 | 36,029 | 0.0 | -11 |
422 | 365 | 1 | -83 |
| 1997 | 36,222 | 0.5 | 193 |
405 | 373 | 5 | 123 |
| 1998 | 36,214 | 0.0 | -8 |
409 | 355 | 14 | -72 |
| 1999 | 36,080 | -0.4 | -134 |
403 | 375 | 13 | -277 |
| 2000 | 36,062 | 0.0 | -18 |
- | - | - | - |
| 2001 | 35,923 | -0.4 | -139 |
495 | 495 | 21 | -133 |
| 2002 | 35,497 | -1.2 | -426 |
353 | 381 | 16 | -397 |
| 2003 | 35,424 | -0.2 | -73 |
365 | 377 | 15 | -31 |
| 2004 | 35,414 | 0.0 | -10 |
381 | 356 | 15 | -32 |
| 2005 | 35,312 | -0.3 | -102 |
369 | 362 | 17 | -97 |
| 2006 | 35,284 | -0.1 | -28 |
402 | 359 | 16 | -76 |
| 2007 | 35,450 | 0.5 | 166 |
410 | 348 | 16 | 83 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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