Montgomery 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 | 624,080 | - | - |
- | - | - | - |
| 1971 | 628,700 | 0.7 | 4,620 |
- | - | - | - |
| 1972 | 628,800 | 0.0 | 100 |
- | - | - | - |
| 1973 | 635,700 | 1.1 | 6,900 |
- | - | - | - |
| 1974 | 635,400 | 0.0 | -300 |
- | - | - | - |
| 1975 | 637,100 | 0.3 | 1,700 |
- | - | - | - |
| 1976 | 638,500 | 0.2 | 1,400 |
- | - | - | - |
| 1977 | 637,300 | -0.2 | -1,200 |
- | - | - | - |
| 1978 | 637,400 | 0.0 | 100 |
- | - | - | - |
| 1979 | 639,400 | 0.3 | 2,000 |
- | - | - | - |
| 1980 | 643,377 | 0.6 | 3,977 |
- | - | - | - |
| 1981 | 647,462 | 0.6 | 4,085 |
9,994 | 7,440 | - | - |
| 1982 | 647,181 | 0.0 | -281 |
8,277 | 5,856 | - | - |
| 1983 | 649,045 | 0.3 | 1,864 |
8,346 | 5,887 | - | - |
| 1984 | 652,840 | 0.6 | 3,795 |
8,488 | 6,010 | - | - |
| 1985 | 654,618 | 0.3 | 1,778 |
8,728 | 6,145 | - | - |
| 1986 | 660,942 | 1.0 | 6,324 |
8,937 | 6,209 | - | - |
| 1987 | 667,473 | 1.0 | 6,531 |
9,165 | 6,180 | - | - |
| 1988 | 673,289 | 0.9 | 5,816 |
9,463 | 6,208 | - | - |
| 1989 | 676,136 | 0.4 | 2,847 |
9,629 | 6,168 | - | - |
| 1990 | 678,193 | 0.3 | 2,057 |
7,208 | 4,574 | - | - |
| 1991 | 687,827 | 1.4 | 9,634 |
12,397 | 7,443 | 759 | 1,109 |
| 1992 | 694,808 | 1.0 | 6,981 |
9,465 | 6,125 | 714 | 454 |
| 1993 | 701,715 | 1.0 | 6,907 |
9,294 | 6,262 | 608 | 795 |
| 1994 | 709,642 | 1.1 | 7,927 |
9,167 | 6,660 | 797 | 2,284 |
| 1995 | 716,829 | 1.0 | 7,187 |
9,417 | 6,500 | 850 | 986 |
| 1996 | 724,604 | 1.1 | 7,775 |
9,362 | 6,641 | 902 | 1,870 |
| 1997 | 729,993 | 0.7 | 5,389 |
9,088 | 6,904 | 1,129 | -113 |
| 1998 | 738,578 | 1.2 | 8,585 |
8,997 | 6,623 | 1,182 | 2,431 |
| 1999 | 744,683 | 0.8 | 6,105 |
9,092 | 6,733 | 1,215 | 1,242 |
| 2000 | 750,097 | 0.7 | 5,414 |
- | - | - | - |
| 2001 | 757,890 | 1.0 | 7,793 |
11,887 | 8,799 | 2,064 | 4,438 |
| 2002 | 763,205 | 0.7 | 5,315 |
9,407 | 6,986 | 1,471 | 2,136 |
| 2003 | 768,226 | 0.7 | 5,021 |
9,688 | 7,050 | 1,198 | 2,179 |
| 2004 | 770,670 | 0.3 | 2,444 |
9,689 | 7,152 | 1,272 | -844 |
| 2005 | 772,038 | 0.2 | 1,368 |
9,497 | 7,227 | 1,255 | -1,405 |
| 2006 | 772,753 | 0.1 | 715 |
9,522 | 7,155 | 1,343 | -2,648 |
| 2007 | 775,110 | 0.3 | 2,357 |
9,341 | 6,962 | 1,176 | -1,268 |
| 2008 | 778,048 | 0.4 | 2,938 |
9,220 | 7,026 | 1,187 | -715 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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