Dewey County, SD Population and Components of Change
| Date |
Population |
% Change |
Components of Change |
Total Population Change |
Births |
Deaths |
Inter- national Immigra- tion |
Net Domestic Migration |
| 1970 | 5,170 | - | - |
- | - | - | - |
| 1971 | 5,200 | 0.6 | 30 |
- | - | - | - |
| 1972 | 5,300 | 1.9 | 100 |
- | - | - | - |
| 1973 | 5,400 | 1.9 | 100 |
- | - | - | - |
| 1974 | 5,400 | 0.0 | 0 |
- | - | - | - |
| 1975 | 5,400 | 0.0 | 0 |
- | - | - | - |
| 1976 | 5,300 | -1.9 | -100 |
- | - | - | - |
| 1977 | 5,200 | -1.9 | -100 |
- | - | - | - |
| 1978 | 5,100 | -1.9 | -100 |
- | - | - | - |
| 1979 | 5,000 | -2.0 | -100 |
- | - | - | - |
| 1980 | 5,366 | 7.3 | 366 |
- | - | - | - |
| 1981 | 5,380 | 0.3 | 14 |
217 | 64 | - | - |
| 1982 | 5,333 | -0.9 | -47 |
158 | 52 | - | - |
| 1983 | 5,446 | 2.1 | 113 |
160 | 43 | - | - |
| 1984 | 5,485 | 0.7 | 39 |
163 | 44 | - | - |
| 1985 | 5,503 | 0.3 | 18 |
164 | 44 | - | - |
| 1986 | 5,457 | -0.8 | -46 |
158 | 42 | - | - |
| 1987 | 5,463 | 0.1 | 6 |
157 | 49 | - | - |
| 1988 | 5,521 | 1.1 | 58 |
152 | 52 | - | - |
| 1989 | 5,473 | -0.9 | -48 |
156 | 48 | - | - |
| 1990 | 5,523 | 0.9 | 50 |
121 | 35 | - | - |
| 1991 | 5,609 | 1.6 | 86 |
185 | 42 | 2 | -56 |
| 1992 | 5,522 | -1.6 | -87 |
147 | 52 | 0 | -178 |
| 1993 | 5,670 | 2.7 | 148 |
164 | 49 | 0 | 36 |
| 1994 | 5,660 | -0.2 | -10 |
137 | 44 | 0 | -97 |
| 1995 | 5,731 | 1.3 | 71 |
115 | 31 | 0 | -10 |
| 1996 | 5,686 | -0.8 | -45 |
125 | 57 | -2 | -107 |
| 1997 | 5,709 | 0.4 | 23 |
140 | 37 | 0 | -79 |
| 1998 | 5,853 | 2.5 | 144 |
130 | 32 | 0 | 57 |
| 1999 | 5,933 | 1.4 | 80 |
147 | 35 | 0 | 23 |
| 2000 | 5,972 | 0.7 | 39 |
- | - | - | - |
| 2001 | 6,032 | 1.0 | 60 |
177 | 63 | 2 | -53 |
| 2002 | 6,032 | 0.0 | 0 |
141 | 44 | 2 | -95 |
| 2003 | 6,127 | 1.6 | 95 |
159 | 50 | 2 | -7 |
| 2004 | 6,082 | -0.7 | -45 |
139 | 59 | 1 | -120 |
| 2005 | 6,103 | 0.3 | 21 |
170 | 69 | 2 | -78 |
| 2006 | 6,050 | -0.9 | -53 |
153 | 39 | 1 | -166 |
| 2007 | 6,005 | -0.7 | -45 |
158 | 22 | 2 | -175 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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