Mercer 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 | 127,225 | - | - |
- | - | - | - |
| 1971 | 129,100 | 1.5 | 1,875 |
- | - | - | - |
| 1972 | 130,400 | 1.0 | 1,300 |
- | - | - | - |
| 1973 | 128,900 | -1.2 | -1,500 |
- | - | - | - |
| 1974 | 128,400 | -0.4 | -500 |
- | - | - | - |
| 1975 | 128,900 | 0.4 | 500 |
- | - | - | - |
| 1976 | 129,200 | 0.2 | 300 |
- | - | - | - |
| 1977 | 128,500 | -0.5 | -700 |
- | - | - | - |
| 1978 | 127,200 | -1.0 | -1,300 |
- | - | - | - |
| 1979 | 127,900 | 0.6 | 700 |
- | - | - | - |
| 1980 | 128,299 | 0.3 | 399 |
- | - | - | - |
| 1981 | 127,570 | -0.6 | -729 |
2,089 | 1,549 | - | - |
| 1982 | 127,173 | -0.3 | -397 |
1,672 | 1,238 | - | - |
| 1983 | 126,731 | -0.3 | -442 |
1,638 | 1,253 | - | - |
| 1984 | 125,358 | -1.1 | -1,373 |
1,498 | 1,279 | - | - |
| 1985 | 123,346 | -1.6 | -2,012 |
1,453 | 1,267 | - | - |
| 1986 | 122,943 | -0.3 | -403 |
1,461 | 1,282 | - | - |
| 1987 | 121,816 | -0.9 | -1,127 |
1,406 | 1,308 | - | - |
| 1988 | 120,744 | -0.9 | -1,072 |
1,435 | 1,309 | - | - |
| 1989 | 120,866 | 0.1 | 122 |
1,470 | 1,306 | - | - |
| 1990 | 121,003 | 0.1 | 137 |
1,084 | 978 | - | - |
| 1991 | 121,389 | 0.3 | 386 |
1,843 | 1,646 | 15 | 336 |
| 1992 | 121,740 | 0.3 | 351 |
1,477 | 1,366 | 15 | 354 |
| 1993 | 121,874 | 0.1 | 134 |
1,342 | 1,328 | -8 | 227 |
| 1994 | 121,525 | -0.3 | -349 |
1,420 | 1,361 | 8 | -309 |
| 1995 | 121,633 | 0.1 | 108 |
1,413 | 1,320 | 5 | 145 |
| 1996 | 121,771 | 0.1 | 138 |
1,408 | 1,328 | 0 | 202 |
| 1997 | 121,576 | -0.2 | -195 |
1,304 | 1,369 | 51 | -72 |
| 1998 | 121,227 | -0.3 | -349 |
1,335 | 1,375 | 2 | -254 |
| 1999 | 120,749 | -0.4 | -478 |
1,302 | 1,334 | -15 | -202 |
| 2000 | 120,293 | -0.4 | -456 |
- | - | - | - |
| 2001 | 119,762 | -0.4 | -531 |
1,638 | 1,821 | 42 | -300 |
| 2002 | 119,338 | -0.4 | -424 |
1,300 | 1,424 | 30 | -246 |
| 2003 | 119,167 | -0.1 | -171 |
1,239 | 1,332 | 24 | 62 |
| 2004 | 118,786 | -0.3 | -381 |
1,262 | 1,380 | 29 | -225 |
| 2005 | 118,183 | -0.5 | -603 |
1,171 | 1,429 | 27 | -275 |
| 2006 | 117,558 | -0.5 | -625 |
1,247 | 1,427 | 32 | -438 |
| 2007 | 116,809 | -0.6 | -749 |
1,274 | 1,421 | 29 | -660 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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