Mifflin 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 | 45,268 | - | - |
- | - | - | - |
| 1971 | 45,500 | 0.5 | 232 |
- | - | - | - |
| 1972 | 45,900 | 0.9 | 400 |
- | - | - | - |
| 1973 | 46,900 | 2.2 | 1,000 |
- | - | - | - |
| 1974 | 46,100 | -1.7 | -800 |
- | - | - | - |
| 1975 | 46,000 | -0.2 | -100 |
- | - | - | - |
| 1976 | 46,200 | 0.4 | 200 |
- | - | - | - |
| 1977 | 46,600 | 0.9 | 400 |
- | - | - | - |
| 1978 | 46,500 | -0.2 | -100 |
- | - | - | - |
| 1979 | 46,600 | 0.2 | 100 |
- | - | - | - |
| 1980 | 46,908 | 0.7 | 308 |
- | - | - | - |
| 1981 | 46,900 | 0.0 | -8 |
804 | 580 | - | - |
| 1982 | 46,452 | -1.0 | -448 |
609 | 465 | - | - |
| 1983 | 46,356 | -0.2 | -96 |
634 | 449 | - | - |
| 1984 | 46,011 | -0.7 | -345 |
626 | 441 | - | - |
| 1985 | 46,016 | 0.0 | 5 |
648 | 464 | - | - |
| 1986 | 45,908 | -0.2 | -108 |
631 | 493 | - | - |
| 1987 | 45,926 | 0.0 | 18 |
631 | 493 | - | - |
| 1988 | 46,126 | 0.4 | 200 |
662 | 490 | - | - |
| 1989 | 46,074 | -0.1 | -52 |
661 | 473 | - | - |
| 1990 | 46,197 | 0.3 | 123 |
509 | 344 | - | - |
| 1991 | 46,368 | 0.4 | 171 |
828 | 618 | 3 | 48 |
| 1992 | 46,499 | 0.3 | 131 |
655 | 473 | 21 | -8 |
| 1993 | 46,620 | 0.3 | 121 |
625 | 521 | 11 | 59 |
| 1994 | 46,687 | 0.1 | 67 |
626 | 491 | 8 | -13 |
| 1995 | 46,663 | -0.1 | -24 |
617 | 498 | 10 | -98 |
| 1996 | 46,621 | -0.1 | -42 |
606 | 482 | 7 | -116 |
| 1997 | 46,622 | 0.0 | 1 |
577 | 534 | 12 | 2 |
| 1998 | 46,611 | 0.0 | -11 |
591 | 504 | 18 | -64 |
| 1999 | 46,463 | -0.3 | -148 |
575 | 523 | 18 | -234 |
| 2000 | 46,486 | 0.0 | 23 |
- | - | - | - |
| 2001 | 46,477 | 0.0 | -9 |
735 | 662 | 5 | -47 |
| 2002 | 46,428 | -0.1 | -49 |
547 | 487 | 5 | -78 |
| 2003 | 46,191 | -0.5 | -237 |
615 | 517 | 4 | -291 |
| 2004 | 46,018 | -0.4 | -173 |
570 | 541 | 3 | -177 |
| 2005 | 45,996 | 0.0 | -22 |
574 | 569 | 3 | 9 |
| 2006 | 46,891 | 1.9 | 895 |
620 | 544 | 3 | 837 |
| 2007 | 46,941 | 0.1 | 50 |
601 | 533 | 3 | -36 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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