Sully 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 | 2,362 | - | - |
- | - | - | - |
| 1971 | 2,300 | -2.6 | -62 |
- | - | - | - |
| 1972 | 2,300 | 0.0 | 0 |
- | - | - | - |
| 1973 | 2,200 | -4.3 | -100 |
- | - | - | - |
| 1974 | 2,200 | 0.0 | 0 |
- | - | - | - |
| 1975 | 2,100 | -4.5 | -100 |
- | - | - | - |
| 1976 | 2,100 | 0.0 | 0 |
- | - | - | - |
| 1977 | 2,100 | 0.0 | 0 |
- | - | - | - |
| 1978 | 2,000 | -4.8 | -100 |
- | - | - | - |
| 1979 | 1,900 | -5.0 | -100 |
- | - | - | - |
| 1980 | 1,990 | 4.7 | 90 |
- | - | - | - |
| 1981 | 1,930 | -3.0 | -60 |
63 | 16 | - | - |
| 1982 | 1,925 | -0.3 | -5 |
33 | 16 | - | - |
| 1983 | 1,855 | -3.6 | -70 |
29 | 17 | - | - |
| 1984 | 1,837 | -1.0 | -18 |
28 | 15 | - | - |
| 1985 | 1,790 | -2.6 | -47 |
27 | 12 | - | - |
| 1986 | 1,742 | -2.7 | -48 |
24 | 10 | - | - |
| 1987 | 1,748 | 0.3 | 6 |
23 | 13 | - | - |
| 1988 | 1,671 | -4.4 | -77 |
23 | 12 | - | - |
| 1989 | 1,621 | -3.0 | -50 |
19 | 9 | - | - |
| 1990 | 1,589 | -2.0 | -32 |
11 | 6 | - | - |
| 1991 | 1,549 | -2.5 | -40 |
24 | 16 | 1 | -56 |
| 1992 | 1,564 | 1.0 | 15 |
20 | 11 | 5 | -7 |
| 1993 | 1,571 | 0.4 | 7 |
24 | 12 | 0 | -10 |
| 1994 | 1,580 | 0.6 | 9 |
17 | 8 | -1 | -5 |
| 1995 | 1,591 | 0.7 | 11 |
13 | 11 | 0 | 5 |
| 1996 | 1,623 | 2.0 | 32 |
11 | 9 | 1 | 22 |
| 1997 | 1,593 | -1.8 | -30 |
18 | 13 | 1 | -43 |
| 1998 | 1,528 | -4.1 | -65 |
17 | 9 | 0 | -74 |
| 1999 | 1,552 | 1.6 | 24 |
17 | 14 | 0 | 4 |
| 2000 | 1,556 | 0.3 | 4 |
- | - | - | - |
| 2001 | 1,532 | -1.5 | -24 |
23 | 9 | 1 | -35 |
| 2002 | 1,483 | -3.2 | -49 |
20 | 10 | 1 | -60 |
| 2003 | 1,427 | -3.8 | -56 |
19 | 7 | 1 | -69 |
| 2004 | 1,398 | -2.0 | -29 |
25 | 16 | 0 | -37 |
| 2005 | 1,390 | -0.6 | -8 |
19 | 15 | 1 | -12 |
| 2006 | 1,393 | 0.2 | 3 |
25 | 11 | 0 | -11 |
| 2007 | 1,396 | 0.2 | 3 |
22 | 6 | 1 | -6 |
| 2008 | 1,356 | -2.9 | -40 |
28 | 3 | 0 | -58 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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