Morgan 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 | 36,174 | - | - |
- | - | - | - |
| 1971 | 37,200 | 2.8 | 1,026 |
- | - | - | - |
| 1972 | 37,300 | 0.3 | 100 |
- | - | - | - |
| 1973 | 37,400 | 0.3 | 100 |
- | - | - | - |
| 1974 | 37,600 | 0.5 | 200 |
- | - | - | - |
| 1975 | 37,300 | -0.8 | -300 |
- | - | - | - |
| 1976 | 37,500 | 0.5 | 200 |
- | - | - | - |
| 1977 | 37,700 | 0.5 | 200 |
- | - | - | - |
| 1978 | 37,800 | 0.3 | 100 |
- | - | - | - |
| 1979 | 37,300 | -1.3 | -500 |
- | - | - | - |
| 1980 | 37,502 | 0.5 | 202 |
- | - | - | - |
| 1981 | 37,625 | 0.3 | 123 |
710 | 513 | - | - |
| 1982 | 37,158 | -1.2 | -467 |
568 | 392 | - | - |
| 1983 | 37,307 | 0.4 | 149 |
543 | 377 | - | - |
| 1984 | 36,976 | -0.9 | -331 |
500 | 406 | - | - |
| 1985 | 37,338 | 1.0 | 362 |
513 | 410 | - | - |
| 1986 | 37,121 | -0.6 | -217 |
502 | 416 | - | - |
| 1987 | 36,796 | -0.9 | -325 |
449 | 406 | - | - |
| 1988 | 36,505 | -0.8 | -291 |
445 | 399 | - | - |
| 1989 | 36,518 | 0.0 | 13 |
468 | 396 | - | - |
| 1990 | 36,397 | -0.3 | -121 |
352 | 283 | - | - |
| 1991 | 36,582 | 0.5 | 185 |
591 | 507 | 4 | -60 |
| 1992 | 36,626 | 0.1 | 44 |
404 | 415 | 15 | -88 |
| 1993 | 36,994 | 1.0 | 368 |
436 | 406 | 7 | 193 |
| 1994 | 37,085 | 0.2 | 91 |
464 | 378 | 2 | -127 |
| 1995 | 37,079 | 0.0 | -6 |
432 | 383 | 12 | -138 |
| 1996 | 37,104 | 0.1 | 25 |
404 | 406 | 12 | -109 |
| 1997 | 36,793 | -0.8 | -311 |
409 | 407 | 9 | -465 |
| 1998 | 36,617 | -0.5 | -176 |
398 | 406 | 13 | -402 |
| 1999 | 36,546 | -0.2 | -71 |
408 | 408 | 4 | -254 |
| 2000 | 36,616 | 0.2 | 70 |
- | - | - | - |
| 2001 | 36,300 | -0.9 | -316 |
541 | 493 | 15 | -356 |
| 2002 | 36,071 | -0.6 | -229 |
434 | 435 | 12 | -211 |
| 2003 | 35,970 | -0.3 | -101 |
381 | 406 | 6 | -31 |
| 2004 | 35,995 | 0.1 | 25 |
430 | 398 | 13 | 4 |
| 2005 | 35,684 | -0.9 | -311 |
402 | 391 | 12 | -301 |
| 2006 | 35,447 | -0.7 | -237 |
372 | 407 | 12 | -200 |
| 2007 | 35,365 | -0.2 | -82 |
406 | 404 | 8 | -103 |
| 2008 | 35,251 | -0.3 | -114 |
420 | 400 | 10 | -161 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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