Twin Falls County, ID Population and Components of Change
| Date |
Population |
% Change |
Components of Change |
Total Population Change |
Births |
Deaths |
Inter- national Immigra- tion |
Net Domestic Migration |
| 1970 | 41,807 | - | - |
- | - | - | - |
| 1971 | 43,900 | 5.0 | 2,093 |
- | - | - | - |
| 1972 | 45,300 | 3.2 | 1,400 |
- | - | - | - |
| 1973 | 46,100 | 1.8 | 800 |
- | - | - | - |
| 1974 | 47,000 | 2.0 | 900 |
- | - | - | - |
| 1975 | 48,500 | 3.2 | 1,500 |
- | - | - | - |
| 1976 | 48,900 | 0.8 | 400 |
- | - | - | - |
| 1977 | 50,200 | 2.7 | 1,300 |
- | - | - | - |
| 1978 | 50,400 | 0.4 | 200 |
- | - | - | - |
| 1979 | 51,300 | 1.8 | 900 |
- | - | - | - |
| 1980 | 52,927 | 3.2 | 1,627 |
- | - | - | - |
| 1981 | 53,543 | 1.2 | 616 |
1,330 | 575 | - | - |
| 1982 | 53,958 | 0.8 | 415 |
1,037 | 463 | - | - |
| 1983 | 54,728 | 1.4 | 770 |
1,034 | 467 | - | - |
| 1984 | 54,748 | 0.0 | 20 |
954 | 475 | - | - |
| 1985 | 54,185 | -1.0 | -563 |
912 | 471 | - | - |
| 1986 | 53,642 | -1.0 | -543 |
876 | 491 | - | - |
| 1987 | 53,205 | -0.8 | -437 |
822 | 496 | - | - |
| 1988 | 53,382 | 0.3 | 177 |
791 | 485 | - | - |
| 1989 | 53,403 | 0.0 | 21 |
793 | 493 | - | - |
| 1990 | 53,580 | 0.3 | 177 |
605 | 372 | - | - |
| 1991 | 55,073 | 2.8 | 1,493 |
1,098 | 579 | 92 | 803 |
| 1992 | 56,195 | 2.0 | 1,122 |
838 | 532 | 102 | 642 |
| 1993 | 57,189 | 1.8 | 994 |
889 | 537 | 129 | 428 |
| 1994 | 58,846 | 2.9 | 1,657 |
872 | 562 | 115 | 1,162 |
| 1995 | 59,679 | 1.4 | 833 |
815 | 588 | 131 | 404 |
| 1996 | 60,998 | 2.2 | 1,319 |
945 | 580 | 231 | 657 |
| 1997 | 62,201 | 2.0 | 1,203 |
912 | 598 | 302 | 500 |
| 1998 | 63,020 | 1.3 | 819 |
934 | 580 | 374 | 5 |
| 1999 | 63,844 | 1.3 | 824 |
947 | 611 | 470 | -41 |
| 2000 | 64,284 | 0.7 | 440 |
- | - | - | - |
| 2001 | 64,451 | 0.3 | 167 |
1,248 | 750 | 267 | -546 |
| 2002 | 65,289 | 1.3 | 838 |
984 | 629 | 205 | 335 |
| 2003 | 66,772 | 2.3 | 1,483 |
998 | 618 | 171 | 964 |
| 2004 | 67,884 | 1.7 | 1,112 |
1,088 | 665 | 173 | 560 |
| 2005 | 69,266 | 2.0 | 1,382 |
1,100 | 656 | 170 | 807 |
| 2006 | 71,247 | 2.9 | 1,981 |
1,205 | 657 | 175 | 1,294 |
| 2007 | 73,058 | 2.5 | 1,811 |
1,225 | 663 | 171 | 1,118 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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