Jefferson County, IA
Population and Components of Change
| Date |
Population |
%
Change |
Components of Change |
Total
Population
Change |
Births |
Deaths |
Inter-
national
Immigra-
tion |
Net
Domestic
Migration |
| 1970 | 15,774 | - | - |
- | - | - | - |
| 1971 | 16,300 | 3.3 | 526 |
- | - | - | - |
| 1972 | 16,200 | -0.6 | -100 |
- | - | - | - |
| 1973 | 15,900 | -1.9 | -300 |
- | - | - | - |
| 1974 | 14,600 | -8.2 | -1,300 |
- | - | - | - |
| 1975 | 15,300 | 4.8 | 700 |
- | - | - | - |
| 1976 | 15,700 | 2.6 | 400 |
- | - | - | - |
| 1977 | 15,900 | 1.3 | 200 |
- | - | - | - |
| 1978 | 16,200 | 1.9 | 300 |
- | - | - | - |
| 1979 | 16,300 | 0.6 | 100 |
- | - | - | - |
| 1980 | 16,316 | 0.1 | 16 |
- | - | - | - |
| 1981 | 16,093 | -1.4 | -223 |
268 | 200 | - | - |
| 1982 | 16,315 | 1.4 | 222 |
210 | 168 | - | - |
| 1983 | 16,140 | -1.1 | -175 |
221 | 173 | - | - |
| 1984 | 16,380 | 1.5 | 240 |
229 | 174 | - | - |
| 1985 | 16,331 | -0.3 | -49 |
222 | 168 | - | - |
| 1986 | 16,270 | -0.4 | -61 |
219 | 167 | - | - |
| 1987 | 16,301 | 0.2 | 31 |
198 | 166 | - | - |
| 1988 | 16,341 | 0.2 | 40 |
193 | 161 | - | - |
| 1989 | 16,378 | 0.2 | 37 |
205 | 153 | - | - |
| 1990 | 16,310 | -0.4 | -68 |
152 | 109 | - | - |
| 1991 | 16,316 | 0.0 | 6 |
238 | 209 | 75 | -26 |
| 1992 | 16,364 | 0.3 | 48 |
183 | 172 | 27 | 68 |
| 1993 | 16,559 | 1.2 | 195 |
185 | 167 | 33 | 222 |
| 1994 | 16,563 | 0.0 | 4 |
170 | 143 | 42 | 3 |
| 1995 | 16,468 | -0.6 | -95 |
156 | 131 | 44 | -94 |
| 1996 | 16,517 | 0.3 | 49 |
176 | 167 | 38 | 67 |
| 1997 | 16,628 | 0.7 | 111 |
163 | 165 | 44 | 138 |
| 1998 | 16,553 | -0.5 | -75 |
163 | 150 | 24 | -51 |
| 1999 | 16,282 | -1.6 | -271 |
164 | 167 | 42 | -328 |
| 2000 | 16,181 | -0.6 | -101 |
- | - | - | - |
| 2001 | 16,034 | -0.9 | -147 |
180 | 185 | 22 | -152 |
| 2002 | 15,804 | -1.4 | -230 |
156 | 129 | 18 | -267 |
| 2003 | 15,723 | -0.5 | -81 |
147 | 172 | 15 | -53 |
| 2004 | 15,688 | -0.2 | -35 |
138 | 142 | 12 | -33 |
| 2005 | 15,560 | -0.8 | -128 |
164 | 151 | 14 | -141 |
| 2006 | 15,501 | -0.4 | -59 |
175 | 154 | 13 | -87 |
| 2007 | 15,551 | 0.3 | 50 |
136 | 136 | 13 | 37 |
| 2008 | 15,463 | -0.6 | -88 |
165 | 149 | 12 | -118 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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