Henry 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 | 18,114 | - | - |
- | - | - | - |
| 1971 | 18,300 | 1.0 | 186 |
- | - | - | - |
| 1972 | 18,200 | -0.5 | -100 |
- | - | - | - |
| 1973 | 18,200 | 0.0 | 0 |
- | - | - | - |
| 1974 | 18,300 | 0.5 | 100 |
- | - | - | - |
| 1975 | 18,300 | 0.0 | 0 |
- | - | - | - |
| 1976 | 18,400 | 0.5 | 100 |
- | - | - | - |
| 1977 | 18,600 | 1.1 | 200 |
- | - | - | - |
| 1978 | 19,000 | 2.2 | 400 |
- | - | - | - |
| 1979 | 18,900 | -0.5 | -100 |
- | - | - | - |
| 1980 | 18,890 | -0.1 | -10 |
- | - | - | - |
| 1981 | 18,805 | -0.4 | -85 |
366 | 245 | - | - |
| 1982 | 18,689 | -0.6 | -116 |
274 | 188 | - | - |
| 1983 | 18,552 | -0.7 | -137 |
265 | 189 | - | - |
| 1984 | 18,553 | 0.0 | 1 |
262 | 189 | - | - |
| 1985 | 18,840 | 1.5 | 287 |
251 | 203 | - | - |
| 1986 | 18,965 | 0.7 | 125 |
244 | 197 | - | - |
| 1987 | 19,056 | 0.5 | 91 |
243 | 202 | - | - |
| 1988 | 19,113 | 0.3 | 57 |
242 | 207 | - | - |
| 1989 | 19,054 | -0.3 | -59 |
236 | 202 | - | - |
| 1990 | 19,226 | 0.9 | 172 |
168 | 157 | - | - |
| 1991 | 19,490 | 1.4 | 264 |
353 | 224 | 1 | 113 |
| 1992 | 19,641 | 0.8 | 151 |
230 | 213 | 6 | 114 |
| 1993 | 19,634 | 0.0 | -7 |
259 | 211 | 16 | -93 |
| 1994 | 19,841 | 1.1 | 207 |
235 | 211 | 22 | 138 |
| 1995 | 20,001 | 0.8 | 160 |
260 | 202 | 8 | 73 |
| 1996 | 20,025 | 0.1 | 24 |
236 | 206 | 11 | -43 |
| 1997 | 20,033 | 0.0 | 8 |
220 | 187 | 9 | -58 |
| 1998 | 20,285 | 1.3 | 252 |
242 | 198 | 7 | 166 |
| 1999 | 20,351 | 0.3 | 66 |
222 | 191 | 13 | 64 |
| 2000 | 20,336 | -0.1 | -15 |
- | - | - | - |
| 2001 | 20,337 | 0.0 | 1 |
305 | 255 | 6 | -34 |
| 2002 | 19,969 | -1.8 | -368 |
218 | 225 | 5 | -357 |
| 2003 | 20,106 | 0.7 | 137 |
223 | 201 | 2 | 139 |
| 2004 | 20,074 | -0.2 | -32 |
229 | 199 | 7 | -54 |
| 2005 | 20,167 | 0.5 | 93 |
250 | 202 | 5 | 58 |
| 2006 | 20,101 | -0.3 | -66 |
234 | 211 | 7 | -86 |
| 2007 | 20,173 | 0.4 | 72 |
236 | 210 | 4 | 52 |
| 2008 | 20,213 | 0.2 | 40 |
244 | 194 | 4 | -14 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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