Jefferson 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 | 43,695 | - | - |
- | - | - | - |
| 1971 | 44,500 | 1.8 | 805 |
- | - | - | - |
| 1972 | 44,600 | 0.2 | 100 |
- | - | - | - |
| 1973 | 45,500 | 2.0 | 900 |
- | - | - | - |
| 1974 | 45,900 | 0.9 | 400 |
- | - | - | - |
| 1975 | 46,300 | 0.9 | 400 |
- | - | - | - |
| 1976 | 47,000 | 1.5 | 700 |
- | - | - | - |
| 1977 | 47,800 | 1.7 | 800 |
- | - | - | - |
| 1978 | 48,100 | 0.6 | 300 |
- | - | - | - |
| 1979 | 48,600 | 1.0 | 500 |
- | - | - | - |
| 1980 | 48,303 | -0.6 | -297 |
- | - | - | - |
| 1981 | 48,156 | -0.3 | -147 |
872 | 689 | - | - |
| 1982 | 48,251 | 0.2 | 95 |
701 | 515 | - | - |
| 1983 | 48,343 | 0.2 | 92 |
736 | 510 | - | - |
| 1984 | 48,186 | -0.3 | -157 |
705 | 506 | - | - |
| 1985 | 47,617 | -1.2 | -569 |
662 | 506 | - | - |
| 1986 | 47,396 | -0.5 | -221 |
637 | 529 | - | - |
| 1987 | 47,181 | -0.5 | -215 |
611 | 541 | - | - |
| 1988 | 46,883 | -0.6 | -298 |
602 | 540 | - | - |
| 1989 | 46,191 | -1.5 | -692 |
605 | 542 | - | - |
| 1990 | 46,083 | -0.2 | -108 |
458 | 396 | - | - |
| 1991 | 46,247 | 0.4 | 164 |
729 | 645 | 2 | 128 |
| 1992 | 46,267 | 0.0 | 20 |
554 | 512 | 15 | -6 |
| 1993 | 46,477 | 0.5 | 210 |
565 | 549 | 4 | 215 |
| 1994 | 46,495 | 0.0 | 18 |
521 | 538 | 8 | 59 |
| 1995 | 46,485 | 0.0 | -10 |
543 | 566 | 11 | 39 |
| 1996 | 46,538 | 0.1 | 53 |
539 | 512 | 5 | 56 |
| 1997 | 46,386 | -0.3 | -152 |
513 | 553 | 6 | -101 |
| 1998 | 46,094 | -0.6 | -292 |
506 | 514 | 9 | -282 |
| 1999 | 46,002 | -0.2 | -92 |
511 | 541 | -2 | -44 |
| 2000 | 45,932 | -0.2 | -70 |
- | - | - | - |
| 2001 | 45,658 | -0.6 | -274 |
641 | 658 | 7 | -229 |
| 2002 | 45,495 | -0.4 | -163 |
532 | 577 | 4 | -88 |
| 2003 | 45,470 | -0.1 | -25 |
495 | 563 | 1 | 105 |
| 2004 | 45,315 | -0.3 | -155 |
507 | 558 | 9 | -87 |
| 2005 | 45,187 | -0.3 | -128 |
468 | 524 | 6 | -39 |
| 2006 | 45,132 | -0.1 | -55 |
499 | 561 | 8 | 13 |
| 2007 | 45,135 | 0.0 | 3 |
510 | 540 | 6 | 14 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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