| County : | Petroleum County |
| State : | Montana (MT) |
| Land Area : | 1,654.86 sq mi |
| Water Area : | 18.93 sq mi |
| Latitude : | 47.1419168 |
| Longitude : | -108.2265753 |
| Population (2010): | 494 |
| Population Estimate (2012) : | 566 |
| Population Density : | 0.30/sq mi |
| Housing Units (2012) : | 324 |
| Median Household Income (2012) : | $40,682 (Montana : $45,456, USA : $53,046) |
| Median Family Income (2012) : | $51,563 (Montana : $58,951, USA : $64,585) |
| Median House Price (2012) : | $89,200 (Montana : $183,000, USA : $181,400) |
Petroleum County Cities / Towns
| Winnett Town (182) |
Petroleum County Zip Codes
| 59032 (408) | 59072 (4,140) | 59087 (436) |