Petroleum County, MT Population and Components of Change
| Date |
Population |
% Change |
Components of Change |
Total Population Change |
Births |
Deaths |
Inter- national Immigra- tion |
Net Domestic Migration |
| 1970 | 675 | - | - |
- | - | - | - |
| 1971 | 700 | 3.7 | 25 |
- | - | - | - |
| 1972 | 700 | 0.0 | 0 |
- | - | - | - |
| 1973 | 700 | 0.0 | 0 |
- | - | - | - |
| 1974 | 700 | 0.0 | 0 |
- | - | - | - |
| 1975 | 700 | 0.0 | 0 |
- | - | - | - |
| 1976 | 700 | 0.0 | 0 |
- | - | - | - |
| 1977 | 700 | 0.0 | 0 |
- | - | - | - |
| 1978 | 700 | 0.0 | 0 |
- | - | - | - |
| 1979 | 700 | 0.0 | 0 |
- | - | - | - |
| 1980 | 655 | -6.4 | -45 |
- | - | - | - |
| 1981 | 648 | -1.1 | -7 |
19 | 6 | - | - |
| 1982 | 637 | -1.7 | -11 |
10 | 4 | - | - |
| 1983 | 623 | -2.2 | -14 |
9 | 5 | - | - |
| 1984 | 601 | -3.5 | -22 |
8 | 6 | - | - |
| 1985 | 579 | -3.7 | -22 |
8 | 5 | - | - |
| 1986 | 557 | -3.8 | -22 |
9 | 4 | - | - |
| 1987 | 534 | -4.1 | -23 |
9 | 3 | - | - |
| 1988 | 518 | -3.0 | -16 |
5 | 3 | - | - |
| 1989 | 521 | 0.6 | 3 |
7 | 4 | - | - |
| 1990 | 519 | -0.4 | -2 |
8 | 4 | - | - |
| 1991 | 508 | -2.1 | -11 |
9 | 5 | 0 | -13 |
| 1992 | 504 | -0.8 | -4 |
6 | 3 | 0 | -6 |
| 1993 | 513 | 1.8 | 9 |
4 | 7 | 0 | 15 |
| 1994 | 526 | 2.5 | 13 |
7 | 5 | 0 | 15 |
| 1995 | 512 | -2.7 | -14 |
4 | 2 | 0 | -14 |
| 1996 | 514 | 0.4 | 2 |
5 | 6 | 0 | 7 |
| 1997 | 508 | -1.2 | -6 |
3 | 2 | 0 | -4 |
| 1998 | 497 | -2.2 | -11 |
5 | 4 | 0 | -13 |
| 1999 | 494 | -0.6 | -3 |
3 | 3 | 0 | -4 |
| 2000 | 493 | -0.2 | -1 |
- | - | - | - |
| 2001 | 481 | -2.4 | -12 |
5 | 4 | 1 | -13 |
| 2002 | 489 | 1.7 | 8 |
3 | 5 | 1 | 10 |
| 2003 | 483 | -1.2 | -6 |
4 | 1 | 1 | -10 |
| 2004 | 489 | 1.2 | 6 |
4 | 5 | 0 | 8 |
| 2005 | 459 | -6.1 | -30 |
6 | 2 | 1 | -35 |
| 2006 | 463 | 0.9 | 4 |
5 | 2 | 0 | 0 |
| 2007 | 438 | -5.4 | -25 |
6 | 1 | 1 | -30 |
Note: Decade years represent April 1, Census data, not the mid-year estimates.
|