Costilla County, CO
Population and Components of Change
| Date |
Population |
%
Change |
Components of Change |
Total
Population
Change |
Births |
Deaths |
Inter-
national
Immigra-
tion |
Net
Domestic
Migration |
| 1970 | 3,091 | - | - |
- | - | - | - |
| 1971 | 3,100 | 0.3 | 9 |
- | - | - | - |
| 1972 | 3,200 | 3.2 | 100 |
- | - | - | - |
| 1973 | 3,200 | 0.0 | 0 |
- | - | - | - |
| 1974 | 3,100 | -3.1 | -100 |
- | - | - | - |
| 1975 | 3,100 | 0.0 | 0 |
- | - | - | - |
| 1976 | 3,100 | 0.0 | 0 |
- | - | - | - |
| 1977 | 3,200 | 3.2 | 100 |
- | - | - | - |
| 1978 | 3,200 | 0.0 | 0 |
- | - | - | - |
| 1979 | 3,200 | 0.0 | 0 |
- | - | - | - |
| 1980 | 3,071 | -4.0 | -129 |
- | - | - | - |
| 1981 | 3,045 | -0.8 | -26 |
77 | 44 | - | - |
| 1982 | 3,131 | 2.8 | 86 |
64 | 26 | - | - |
| 1983 | 3,217 | 2.7 | 86 |
59 | 22 | - | - |
| 1984 | 3,360 | 4.4 | 143 |
48 | 25 | - | - |
| 1985 | 3,320 | -1.2 | -40 |
46 | 23 | - | - |
| 1986 | 3,228 | -2.8 | -92 |
45 | 28 | - | - |
| 1987 | 3,217 | -0.3 | -11 |
48 | 30 | - | - |
| 1988 | 3,217 | 0.0 | 0 |
50 | 24 | - | - |
| 1989 | 3,215 | -0.1 | -2 |
49 | 22 | - | - |
| 1990 | 3,190 | -0.8 | -25 |
41 | 16 | - | - |
| 1991 | 3,262 | 2.3 | 72 |
50 | 29 | 7 | 46 |
| 1992 | 3,202 | -1.8 | -60 |
45 | 23 | 10 | -89 |
| 1993 | 3,225 | 0.7 | 23 |
43 | 37 | 12 | 7 |
| 1994 | 3,286 | 1.9 | 61 |
49 | 32 | 5 | 38 |
| 1995 | 3,399 | 3.4 | 113 |
58 | 35 | 21 | 71 |
| 1996 | 3,576 | 5.2 | 177 |
42 | 39 | 22 | 149 |
| 1997 | 3,605 | 0.8 | 29 |
46 | 46 | 23 | 7 |
| 1998 | 3,644 | 1.1 | 39 |
36 | 47 | 31 | 20 |
| 1999 | 3,601 | -1.2 | -43 |
49 | 47 | 24 | -95 |
| 2000 | 3,663 | 1.7 | 62 |
- | - | - | - |
| 2001 | 3,575 | -2.4 | -88 |
53 | 48 | 4 | -94 |
| 2002 | 3,560 | -0.4 | -15 |
46 | 32 | 4 | -27 |
| 2003 | 3,527 | -0.9 | -33 |
48 | 46 | 3 | -34 |
| 2004 | 3,497 | -0.9 | -30 |
27 | 51 | 0 | -2 |
| 2005 | 3,369 | -3.7 | -128 |
40 | 32 | 0 | -138 |
| 2006 | 3,348 | -0.6 | -21 |
33 | 28 | 0 | -25 |
| 2007 | 3,309 | -1.2 | -39 |
35 | 14 | 0 | -50 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
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