Waukesha County, WI Population and Components of Change
| Date |
Population |
% Change |
Components of Change |
Total Population Change |
Births |
Deaths |
Inter- national Immigra- tion |
Net Domestic Migration |
| 1970 | 231,335 | - | - |
- | - | - | - |
| 1971 | 232,400 | 0.5 | 1,065 |
- | - | - | - |
| 1972 | 233,400 | 0.4 | 1,000 |
- | - | - | - |
| 1973 | 238,100 | 2.0 | 4,700 |
- | - | - | - |
| 1974 | 240,300 | 0.9 | 2,200 |
- | - | - | - |
| 1975 | 246,800 | 2.7 | 6,500 |
- | - | - | - |
| 1976 | 250,800 | 1.6 | 4,000 |
- | - | - | - |
| 1977 | 257,000 | 2.5 | 6,200 |
- | - | - | - |
| 1978 | 267,700 | 4.2 | 10,700 |
- | - | - | - |
| 1979 | 273,900 | 2.3 | 6,200 |
- | - | - | - |
| 1980 | 280,203 | 2.3 | 6,303 |
- | - | - | - |
| 1981 | 278,956 | -0.4 | -1,247 |
4,793 | 2,077 | - | - |
| 1982 | 279,177 | 0.1 | 221 |
3,816 | 1,719 | - | - |
| 1983 | 278,184 | -0.4 | -993 |
3,709 | 1,751 | - | - |
| 1984 | 280,015 | 0.7 | 1,831 |
3,636 | 1,765 | - | - |
| 1985 | 281,809 | 0.6 | 1,794 |
3,694 | 1,792 | - | - |
| 1986 | 284,280 | 0.9 | 2,471 |
3,763 | 1,825 | - | - |
| 1987 | 289,119 | 1.7 | 4,839 |
3,789 | 1,843 | - | - |
| 1988 | 295,215 | 2.1 | 6,096 |
3,860 | 1,891 | - | - |
| 1989 | 299,612 | 1.5 | 4,397 |
3,989 | 1,922 | - | - |
| 1990 | 304,715 | 1.7 | 5,103 |
3,029 | 1,424 | - | - |
| 1991 | 312,689 | 2.6 | 7,974 |
5,075 | 2,371 | 88 | 5,260 |
| 1992 | 318,777 | 1.9 | 6,088 |
4,137 | 2,000 | 164 | 3,928 |
| 1993 | 324,834 | 1.9 | 6,057 |
3,912 | 2,065 | 80 | 4,330 |
| 1994 | 331,702 | 2.1 | 6,868 |
4,158 | 2,115 | 97 | 4,929 |
| 1995 | 337,579 | 1.8 | 5,877 |
4,135 | 2,275 | 161 | 3,995 |
| 1996 | 343,358 | 1.7 | 5,779 |
4,135 | 2,266 | 121 | 3,978 |
| 1997 | 348,399 | 1.5 | 5,041 |
4,172 | 2,395 | 168 | 3,161 |
| 1998 | 353,031 | 1.3 | 4,632 |
4,132 | 2,476 | 145 | 2,891 |
| 1999 | 357,829 | 1.4 | 4,798 |
4,195 | 2,451 | 167 | 3,490 |
| 2000 | 360,767 | 0.8 | 2,938 |
- | - | - | - |
| 2001 | 364,887 | 1.1 | 4,120 |
5,573 | 3,418 | 497 | 1,824 |
| 2002 | 368,720 | 1.1 | 3,833 |
4,279 | 2,756 | 368 | 2,220 |
| 2003 | 371,514 | 0.8 | 2,794 |
4,354 | 2,771 | 306 | 1,374 |
| 2004 | 373,477 | 0.5 | 1,963 |
4,350 | 2,843 | 286 | 345 |
| 2005 | 375,257 | 0.5 | 1,780 |
4,170 | 2,768 | 286 | 394 |
| 2006 | 376,344 | 0.3 | 1,087 |
4,199 | 2,869 | 291 | -407 |
| 2007 | 379,333 | 0.8 | 2,989 |
4,269 | 2,842 | 288 | 1,168 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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