Middlesex County, MA
Population and Components of Change
| Date |
Population |
%
Change |
Components of Change |
Total
Population
Change |
Births |
Deaths |
Inter-
national
Immigra-
tion |
Net
Domestic
Migration |
| 1970 | 1,398,397 | - | - |
- | - | - | - |
| 1971 | 1,410,100 | 0.8 | 11,703 |
- | - | - | - |
| 1972 | 1,413,700 | 0.3 | 3,600 |
- | - | - | - |
| 1973 | 1,408,900 | -0.3 | -4,800 |
- | - | - | - |
| 1974 | 1,392,200 | -1.2 | -16,700 |
- | - | - | - |
| 1975 | 1,382,200 | -0.7 | -10,000 |
- | - | - | - |
| 1976 | 1,377,700 | -0.3 | -4,500 |
- | - | - | - |
| 1977 | 1,373,200 | -0.3 | -4,500 |
- | - | - | - |
| 1978 | 1,376,300 | 0.2 | 3,100 |
- | - | - | - |
| 1979 | 1,370,900 | -0.4 | -5,400 |
- | - | - | - |
| 1980 | 1,367,034 | -0.3 | -3,866 |
- | - | - | - |
| 1981 | 1,372,649 | 0.4 | 5,615 |
20,467 | 14,771 | - | - |
| 1982 | 1,374,292 | 0.1 | 1,643 |
16,781 | 11,495 | - | - |
| 1983 | 1,382,040 | 0.6 | 7,748 |
17,101 | 11,679 | - | - |
| 1984 | 1,389,517 | 0.5 | 7,477 |
17,495 | 11,896 | - | - |
| 1985 | 1,397,037 | 0.5 | 7,520 |
18,155 | 12,113 | - | - |
| 1986 | 1,392,689 | -0.3 | -4,348 |
18,499 | 12,138 | - | - |
| 1987 | 1,392,809 | 0.0 | 120 |
18,560 | 12,017 | - | - |
| 1988 | 1,397,265 | 0.3 | 4,456 |
19,189 | 11,953 | - | - |
| 1989 | 1,400,078 | 0.2 | 2,813 |
19,851 | 11,650 | - | - |
| 1990 | 1,398,468 | -0.1 | -1,610 |
15,024 | 8,555 | - | - |
| 1991 | 1,398,475 | 0.0 | 7 |
25,527 | 13,843 | 4,315 | -20,664 |
| 1992 | 1,402,989 | 0.3 | 4,514 |
19,946 | 11,483 | 4,016 | -11,166 |
| 1993 | 1,407,438 | 0.3 | 4,449 |
19,659 | 11,288 | 4,062 | -10,773 |
| 1994 | 1,412,979 | 0.4 | 5,541 |
19,490 | 11,634 | 3,842 | -8,882 |
| 1995 | 1,421,302 | 0.6 | 8,323 |
19,357 | 11,660 | 4,759 | -6,866 |
| 1996 | 1,431,633 | 0.7 | 10,331 |
19,241 | 11,416 | 4,685 | -5,043 |
| 1997 | 1,442,633 | 0.8 | 11,000 |
19,147 | 11,658 | 4,713 | -4,770 |
| 1998 | 1,451,865 | 0.6 | 9,232 |
19,444 | 11,387 | 4,440 | -6,910 |
| 1999 | 1,459,797 | 0.5 | 7,932 |
19,719 | 11,716 | 4,584 | -8,156 |
| 2000 | 1,465,396 | 0.4 | 5,599 |
- | - | - | - |
| 2001 | 1,476,610 | 0.8 | 11,214 |
24,249 | 14,582 | 13,417 | -13,506 |
| 2002 | 1,473,811 | -0.2 | -2,799 |
18,791 | 11,712 | 10,407 | -20,877 |
| 2003 | 1,471,174 | -0.2 | -2,637 |
18,534 | 11,424 | 8,966 | -19,363 |
| 2004 | 1,468,444 | -0.2 | -2,730 |
18,216 | 11,325 | 8,439 | -18,378 |
| 2005 | 1,465,097 | -0.2 | -3,347 |
17,701 | 11,067 | 8,491 | -18,895 |
| 2006 | 1,466,744 | 0.1 | 1,647 |
17,423 | 11,063 | 8,824 | -13,556 |
| 2007 | 1,473,416 | 0.5 | 6,672 |
17,191 | 11,161 | 8,745 | -8,071 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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