McHenry 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 | 111,555 | - | - |
- | - | - | - |
| 1971 | 112,100 | 0.5 | 545 |
- | - | - | - |
| 1972 | 114,500 | 2.1 | 2,400 |
- | - | - | - |
| 1973 | 120,100 | 4.9 | 5,600 |
- | - | - | - |
| 1974 | 122,100 | 1.7 | 2,000 |
- | - | - | - |
| 1975 | 124,900 | 2.3 | 2,800 |
- | - | - | - |
| 1976 | 128,300 | 2.7 | 3,400 |
- | - | - | - |
| 1977 | 133,700 | 4.2 | 5,400 |
- | - | - | - |
| 1978 | 138,200 | 3.4 | 4,500 |
- | - | - | - |
| 1979 | 143,600 | 3.9 | 5,400 |
- | - | - | - |
| 1980 | 147,897 | 3.0 | 4,297 |
- | - | - | - |
| 1981 | 148,814 | 0.6 | 917 |
3,005 | 1,300 | - | - |
| 1982 | 149,834 | 0.7 | 1,020 |
2,382 | 1,096 | - | - |
| 1983 | 151,784 | 1.3 | 1,950 |
2,372 | 1,107 | - | - |
| 1984 | 154,773 | 2.0 | 2,989 |
2,373 | 1,126 | - | - |
| 1985 | 157,672 | 1.9 | 2,899 |
2,459 | 1,142 | - | - |
| 1986 | 161,268 | 2.3 | 3,596 |
2,532 | 1,195 | - | - |
| 1987 | 165,577 | 2.7 | 4,309 |
2,634 | 1,216 | - | - |
| 1988 | 170,847 | 3.2 | 5,270 |
2,779 | 1,182 | - | - |
| 1989 | 176,311 | 3.2 | 5,464 |
2,941 | 1,181 | - | - |
| 1990 | 183,241 | 3.9 | 6,930 |
2,281 | 880 | - | - |
| 1991 | 193,390 | 5.5 | 10,149 |
4,178 | 1,475 | 149 | 6,389 |
| 1992 | 201,137 | 4.0 | 7,747 |
3,312 | 1,286 | 230 | 4,811 |
| 1993 | 210,283 | 4.5 | 9,146 |
3,432 | 1,343 | 213 | 6,098 |
| 1994 | 219,478 | 4.4 | 9,195 |
3,550 | 1,301 | 323 | 5,865 |
| 1995 | 228,762 | 4.2 | 9,284 |
3,845 | 1,418 | 225 | 5,623 |
| 1996 | 235,954 | 3.1 | 7,192 |
3,809 | 1,411 | 299 | 3,535 |
| 1997 | 242,449 | 2.8 | 6,495 |
3,868 | 1,450 | 358 | 2,741 |
| 1998 | 248,529 | 2.5 | 6,080 |
3,880 | 1,447 | 394 | 2,202 |
| 1999 | 255,448 | 2.8 | 6,919 |
3,857 | 1,457 | 343 | 2,982 |
| 2000 | 260,077 | 1.8 | 4,629 |
- | - | - | - |
| 2001 | 269,982 | 3.8 | 9,905 |
5,100 | 1,820 | 1,015 | 5,050 |
| 2002 | 278,282 | 3.1 | 8,300 |
4,217 | 1,583 | 760 | 4,414 |
| 2003 | 287,058 | 3.2 | 8,776 |
4,116 | 1,627 | 660 | 5,009 |
| 2004 | 294,596 | 2.6 | 7,538 |
4,295 | 1,669 | 605 | 4,309 |
| 2005 | 302,105 | 2.5 | 7,509 |
4,276 | 1,655 | 638 | 4,196 |
| 2006 | 309,025 | 2.3 | 6,920 |
4,293 | 1,718 | 636 | 3,717 |
| 2007 | 314,669 | 1.8 | 5,644 |
4,315 | 1,831 | 574 | 2,756 |
| 2008 | 318,641 | 1.3 | 3,972 |
4,594 | 1,915 | 577 | 878 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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