Montgomery 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 | 12,781 | - | - |
- | - | - | - |
| 1971 | 13,100 | 2.5 | 319 |
- | - | - | - |
| 1972 | 13,500 | 3.1 | 400 |
- | - | - | - |
| 1973 | 13,100 | -3.0 | -400 |
- | - | - | - |
| 1974 | 13,100 | 0.0 | 0 |
- | - | - | - |
| 1975 | 13,200 | 0.8 | 100 |
- | - | - | - |
| 1976 | 13,300 | 0.8 | 100 |
- | - | - | - |
| 1977 | 13,600 | 2.3 | 300 |
- | - | - | - |
| 1978 | 13,500 | -0.7 | -100 |
- | - | - | - |
| 1979 | 13,400 | -0.7 | -100 |
- | - | - | - |
| 1980 | 13,413 | 0.1 | 13 |
- | - | - | - |
| 1981 | 13,362 | -0.4 | -51 |
247 | 190 | - | - |
| 1982 | 13,146 | -1.6 | -216 |
185 | 162 | - | - |
| 1983 | 13,129 | -0.1 | -17 |
186 | 160 | - | - |
| 1984 | 13,166 | 0.3 | 37 |
184 | 171 | - | - |
| 1985 | 12,838 | -2.5 | -328 |
166 | 180 | - | - |
| 1986 | 12,345 | -3.8 | -493 |
144 | 171 | - | - |
| 1987 | 12,092 | -2.0 | -253 |
145 | 176 | - | - |
| 1988 | 12,059 | -0.3 | -33 |
151 | 177 | - | - |
| 1989 | 12,110 | 0.4 | 51 |
149 | 182 | - | - |
| 1990 | 12,076 | -0.3 | -34 |
113 | 140 | - | - |
| 1991 | 11,980 | -0.8 | -96 |
194 | 222 | 1 | -67 |
| 1992 | 11,916 | -0.5 | -64 |
148 | 166 | 1 | -45 |
| 1993 | 12,053 | 1.1 | 137 |
149 | 168 | 1 | 160 |
| 1994 | 11,992 | -0.5 | -61 |
147 | 167 | 4 | -45 |
| 1995 | 11,947 | -0.4 | -45 |
177 | 184 | 4 | -36 |
| 1996 | 11,917 | -0.3 | -30 |
147 | 172 | 0 | -4 |
| 1997 | 11,889 | -0.2 | -28 |
140 | 203 | 1 | 32 |
| 1998 | 11,890 | 0.0 | 1 |
129 | 184 | 0 | 59 |
| 1999 | 11,767 | -1.0 | -123 |
140 | 208 | -2 | -75 |
| 2000 | 11,771 | 0.0 | 4 |
- | - | - | - |
| 2001 | 11,508 | -2.2 | -263 |
178 | 202 | 9 | -243 |
| 2002 | 11,304 | -1.8 | -204 |
135 | 158 | 6 | -184 |
| 2003 | 11,195 | -1.0 | -109 |
127 | 168 | 4 | -63 |
| 2004 | 11,173 | -0.2 | -22 |
121 | 155 | 7 | 10 |
| 2005 | 11,191 | 0.2 | 18 |
142 | 141 | 5 | 19 |
| 2006 | 11,152 | -0.3 | -39 |
132 | 149 | 7 | -25 |
| 2007 | 11,002 | -1.3 | -150 |
133 | 144 | 5 | -142 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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