About This Place
Winnett is a town in and the county seat of Petroleum County, Montana, United States. The population was 185 at the 2000 census.
Winnett is located at 47°0′16″N 108°21′4″W / 47.00444°N 108.35111°W / 47.00444; -108.35111 (47.004381, -108.351052).
According to the United States Census Bureau, the town has a total area of 1.0 square miles (2.5 km²), all of it land.