Lee County, IA Population and Components of Change
| Date |
Population |
% Change |
Components of Change |
Total Population Change |
Births |
Deaths |
Inter- national Immigra- tion |
Net Domestic Migration |
| 1970 | 42,996 | - | - |
- | - | - | - |
| 1971 | 44,200 | 2.8 | 1,204 |
- | - | - | - |
| 1972 | 43,400 | -1.8 | -800 |
- | - | - | - |
| 1973 | 42,800 | -1.4 | -600 |
- | - | - | - |
| 1974 | 42,900 | 0.2 | 100 |
- | - | - | - |
| 1975 | 42,600 | -0.7 | -300 |
- | - | - | - |
| 1976 | 43,400 | 1.9 | 800 |
- | - | - | - |
| 1977 | 43,800 | 0.9 | 400 |
- | - | - | - |
| 1978 | 43,800 | 0.0 | 0 |
- | - | - | - |
| 1979 | 43,400 | -0.9 | -400 |
- | - | - | - |
| 1980 | 43,106 | -0.7 | -294 |
- | - | - | - |
| 1981 | 42,572 | -1.2 | -534 |
851 | 571 | - | - |
| 1982 | 42,265 | -0.7 | -307 |
643 | 432 | - | - |
| 1983 | 41,895 | -0.9 | -370 |
610 | 434 | - | - |
| 1984 | 41,567 | -0.8 | -328 |
589 | 425 | - | - |
| 1985 | 40,797 | -1.9 | -770 |
583 | 420 | - | - |
| 1986 | 40,317 | -1.2 | -480 |
555 | 450 | - | - |
| 1987 | 39,665 | -1.6 | -652 |
535 | 441 | - | - |
| 1988 | 39,174 | -1.2 | -491 |
527 | 447 | - | - |
| 1989 | 38,882 | -0.7 | -292 |
501 | 441 | - | - |
| 1990 | 38,687 | -0.5 | -195 |
369 | 317 | - | - |
| 1991 | 38,913 | 0.6 | 226 |
615 | 522 | 8 | 141 |
| 1992 | 39,070 | 0.4 | 157 |
548 | 462 | 8 | 80 |
| 1993 | 38,901 | -0.4 | -169 |
537 | 445 | -1 | -253 |
| 1994 | 38,965 | 0.2 | 64 |
453 | 507 | 1 | 119 |
| 1995 | 39,107 | 0.4 | 142 |
484 | 411 | 9 | 67 |
| 1996 | 38,781 | -0.8 | -326 |
467 | 484 | 21 | -319 |
| 1997 | 38,720 | -0.2 | -61 |
475 | 415 | 3 | -127 |
| 1998 | 38,544 | -0.5 | -176 |
455 | 436 | 16 | -207 |
| 1999 | 38,281 | -0.7 | -263 |
477 | 425 | 14 | -238 |
| 2000 | 38,052 | -0.6 | -229 |
- | - | - | - |
| 2001 | 37,387 | -1.7 | -665 |
500 | 561 | 19 | -601 |
| 2002 | 36,868 | -1.4 | -519 |
398 | 417 | 17 | -500 |
| 2003 | 36,487 | -1.0 | -381 |
427 | 414 | 13 | -381 |
| 2004 | 36,416 | -0.2 | -71 |
382 | 447 | 18 | -7 |
| 2005 | 36,151 | -0.7 | -265 |
408 | 452 | 16 | -208 |
| 2006 | 35,911 | -0.7 | -240 |
418 | 414 | 18 | -249 |
| 2007 | 35,619 | -0.8 | -292 |
422 | 400 | 16 | -332 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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