Jefferson 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 | 11,740 | - | - |
- | - | - | - |
| 1971 | 11,700 | -0.3 | -40 |
- | - | - | - |
| 1972 | 12,000 | 2.6 | 300 |
- | - | - | - |
| 1973 | 12,200 | 1.7 | 200 |
- | - | - | - |
| 1974 | 12,500 | 2.5 | 300 |
- | - | - | - |
| 1975 | 13,200 | 5.6 | 700 |
- | - | - | - |
| 1976 | 13,600 | 3.0 | 400 |
- | - | - | - |
| 1977 | 14,100 | 3.7 | 500 |
- | - | - | - |
| 1978 | 14,800 | 5.0 | 700 |
- | - | - | - |
| 1979 | 15,200 | 2.7 | 400 |
- | - | - | - |
| 1980 | 15,304 | 0.7 | 104 |
- | - | - | - |
| 1981 | 15,695 | 2.6 | 391 |
564 | 116 | - | - |
| 1982 | 15,596 | -0.6 | -99 |
406 | 97 | - | - |
| 1983 | 16,138 | 3.5 | 542 |
397 | 109 | - | - |
| 1984 | 16,192 | 0.3 | 54 |
380 | 107 | - | - |
| 1985 | 16,230 | 0.2 | 38 |
380 | 105 | - | - |
| 1986 | 16,204 | -0.2 | -26 |
372 | 106 | - | - |
| 1987 | 16,333 | 0.8 | 129 |
340 | 95 | - | - |
| 1988 | 16,536 | 1.2 | 203 |
346 | 95 | - | - |
| 1989 | 16,410 | -0.8 | -126 |
340 | 98 | - | - |
| 1990 | 16,543 | 0.8 | 133 |
237 | 67 | - | - |
| 1991 | 16,884 | 2.1 | 341 |
448 | 121 | 52 | 48 |
| 1992 | 17,320 | 2.6 | 436 |
325 | 73 | 47 | 198 |
| 1993 | 17,677 | 2.1 | 357 |
367 | 100 | 56 | 98 |
| 1994 | 18,097 | 2.4 | 420 |
336 | 130 | 74 | 211 |
| 1995 | 18,245 | 0.8 | 148 |
338 | 123 | 60 | -60 |
| 1996 | 18,327 | 0.4 | 82 |
317 | 113 | 74 | -121 |
| 1997 | 18,380 | 0.3 | 53 |
354 | 117 | 86 | -203 |
| 1998 | 18,692 | 1.7 | 312 |
357 | 106 | 78 | 41 |
| 1999 | 18,982 | 1.6 | 290 |
368 | 119 | 79 | 90 |
| 2000 | 19,155 | 0.9 | 173 |
- | - | - | - |
| 2001 | 19,265 | 0.6 | 110 |
460 | 151 | 55 | -242 |
| 2002 | 19,663 | 2.1 | 398 |
341 | 130 | 51 | 152 |
| 2003 | 20,006 | 1.7 | 343 |
369 | 126 | 31 | 92 |
| 2004 | 20,501 | 2.5 | 495 |
397 | 132 | 34 | 215 |
| 2005 | 21,222 | 3.5 | 721 |
445 | 126 | 32 | 389 |
| 2006 | 21,844 | 2.9 | 622 |
451 | 121 | 33 | 271 |
| 2007 | 22,777 | 4.3 | 933 |
497 | 109 | 21 | 514 |
| 2008 | 23,860 | 4.8 | 1,083 |
514 | 136 | 22 | 674 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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