Union County, OR Population and Components of Change
| Date |
Population |
% Change |
Components of Change |
Total Population Change |
Births |
Deaths |
Inter- national Immigra- tion |
Net Domestic Migration |
| 1970 | 19,377 | - | - |
- | - | - | - |
| 1971 | 20,300 | 4.8 | 923 |
- | - | - | - |
| 1972 | 20,700 | 2.0 | 400 |
- | - | - | - |
| 1973 | 20,900 | 1.0 | 200 |
- | - | - | - |
| 1974 | 21,400 | 2.4 | 500 |
- | - | - | - |
| 1975 | 22,000 | 2.8 | 600 |
- | - | - | - |
| 1976 | 22,400 | 1.8 | 400 |
- | - | - | - |
| 1977 | 22,400 | 0.0 | 0 |
- | - | - | - |
| 1978 | 23,000 | 2.7 | 600 |
- | - | - | - |
| 1979 | 23,300 | 1.3 | 300 |
- | - | - | - |
| 1980 | 23,921 | 2.7 | 621 |
- | - | - | - |
| 1981 | 24,429 | 2.1 | 508 |
535 | 241 | - | - |
| 1982 | 24,536 | 0.4 | 107 |
406 | 183 | - | - |
| 1983 | 24,309 | -0.9 | -227 |
373 | 207 | - | - |
| 1984 | 24,566 | 1.1 | 257 |
379 | 204 | - | - |
| 1985 | 24,131 | -1.8 | -435 |
353 | 208 | - | - |
| 1986 | 23,524 | -2.5 | -607 |
318 | 188 | - | - |
| 1987 | 23,110 | -1.8 | -414 |
310 | 179 | - | - |
| 1988 | 23,264 | 0.7 | 154 |
313 | 208 | - | - |
| 1989 | 23,372 | 0.5 | 108 |
330 | 224 | - | - |
| 1990 | 23,598 | 1.0 | 226 |
257 | 166 | - | - |
| 1991 | 23,961 | 1.5 | 363 |
420 | 278 | 6 | 237 |
| 1992 | 24,096 | 0.6 | 135 |
295 | 199 | 11 | 49 |
| 1993 | 24,666 | 2.4 | 570 |
296 | 220 | 2 | 516 |
| 1994 | 24,928 | 1.1 | 262 |
313 | 234 | 12 | 206 |
| 1995 | 24,931 | 0.0 | 3 |
293 | 214 | 13 | -63 |
| 1996 | 24,934 | 0.0 | 3 |
294 | 251 | 9 | -17 |
| 1997 | 24,939 | 0.0 | 5 |
303 | 250 | 8 | -41 |
| 1998 | 24,746 | -0.8 | -193 |
292 | 245 | 7 | -208 |
| 1999 | 24,590 | -0.6 | -156 |
313 | 253 | 8 | -132 |
| 2000 | 24,530 | -0.2 | -60 |
- | - | - | - |
| 2001 | 24,354 | -0.7 | -176 |
360 | 307 | 41 | -253 |
| 2002 | 24,481 | 0.5 | 127 |
320 | 261 | 30 | 60 |
| 2003 | 24,493 | 0.0 | 12 |
300 | 230 | 26 | -54 |
| 2004 | 24,362 | -0.5 | -131 |
285 | 235 | 30 | -192 |
| 2005 | 24,477 | 0.5 | 115 |
318 | 254 | 28 | 42 |
| 2006 | 24,449 | -0.1 | -28 |
317 | 258 | 30 | -108 |
| 2007 | 24,753 | 1.2 | 304 |
329 | 239 | 28 | 180 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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