Butler County, PA
Population and Components of Change
| Date |
Population |
%
Change |
Components of Change |
Total
Population
Change |
Births |
Deaths |
Inter-
national
Immigra-
tion |
Net
Domestic
Migration |
| 1970 | 127,941 | - | - |
- | - | - | - |
| 1971 | 130,700 | 2.2 | 2,759 |
- | - | - | - |
| 1972 | 133,200 | 1.9 | 2,500 |
- | - | - | - |
| 1973 | 136,200 | 2.3 | 3,000 |
- | - | - | - |
| 1974 | 136,800 | 0.4 | 600 |
- | - | - | - |
| 1975 | 139,200 | 1.8 | 2,400 |
- | - | - | - |
| 1976 | 141,900 | 1.9 | 2,700 |
- | - | - | - |
| 1977 | 144,200 | 1.6 | 2,300 |
- | - | - | - |
| 1978 | 145,800 | 1.1 | 1,600 |
- | - | - | - |
| 1979 | 147,800 | 1.4 | 2,000 |
- | - | - | - |
| 1980 | 147,912 | 0.1 | 112 |
- | - | - | - |
| 1981 | 148,549 | 0.4 | 637 |
2,643 | 1,555 | - | - |
| 1982 | 148,899 | 0.2 | 350 |
2,156 | 1,268 | - | - |
| 1983 | 148,623 | -0.2 | -276 |
2,124 | 1,324 | - | - |
| 1984 | 148,588 | 0.0 | -35 |
2,026 | 1,356 | - | - |
| 1985 | 147,920 | -0.4 | -668 |
2,052 | 1,350 | - | - |
| 1986 | 148,696 | 0.5 | 776 |
2,079 | 1,382 | - | - |
| 1987 | 148,568 | -0.1 | -128 |
1,998 | 1,428 | - | - |
| 1988 | 149,090 | 0.4 | 522 |
1,965 | 1,412 | - | - |
| 1989 | 150,274 | 0.8 | 1,184 |
2,041 | 1,405 | - | - |
| 1990 | 152,013 | 1.2 | 1,739 |
1,580 | 1,082 | - | - |
| 1991 | 154,769 | 1.8 | 2,756 |
2,598 | 1,722 | 38 | 1,843 |
| 1992 | 156,620 | 1.2 | 1,851 |
2,031 | 1,457 | 61 | 1,239 |
| 1993 | 159,675 | 2.0 | 3,055 |
2,176 | 1,461 | 5 | 2,379 |
| 1994 | 161,926 | 1.4 | 2,251 |
2,095 | 1,466 | 12 | 1,637 |
| 1995 | 165,415 | 2.2 | 3,489 |
2,207 | 1,530 | 32 | 2,742 |
| 1996 | 167,704 | 1.4 | 2,289 |
2,107 | 1,554 | 32 | 1,703 |
| 1997 | 169,408 | 1.0 | 1,704 |
2,094 | 1,605 | 30 | 1,122 |
| 1998 | 171,322 | 1.1 | 1,914 |
2,080 | 1,596 | 23 | 1,372 |
| 1999 | 172,924 | 0.9 | 1,602 |
2,087 | 1,573 | 37 | 1,196 |
| 2000 | 174,083 | 0.7 | 1,159 |
- | - | - | - |
| 2001 | 175,858 | 1.0 | 1,775 |
2,634 | 2,138 | 104 | 1,333 |
| 2002 | 177,536 | 1.0 | 1,678 |
2,075 | 1,681 | 78 | 1,346 |
| 2003 | 178,701 | 0.7 | 1,165 |
2,041 | 1,751 | 63 | 1,025 |
| 2004 | 179,463 | 0.4 | 762 |
2,115 | 1,886 | 70 | 550 |
| 2005 | 180,134 | 0.4 | 671 |
1,990 | 1,845 | 66 | 594 |
| 2006 | 181,179 | 0.6 | 1,045 |
2,067 | 1,745 | 71 | 717 |
| 2007 | 181,934 | 0.4 | 755 |
2,118 | 1,776 | 68 | 326 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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