Petroleum County, Montana.html

Petroleum County, Montana
Map
Location in the state of Montana
Montana's location in the U.S.
Statistics
Founded	1926
Seat	Winnett
Largest city	Winnett
Area - Total - Land - Water	1,674 sq mi (4,336 km²) 1,654 sq mi (4,284 km²) 20 sq mi (52 km²), 1.20%
Population - (2000) - Density	493 0/sq mi (0.114/km²)

Petroleum County is a county located in the U.S. state of Montana. As of 2000, the population was 493, making it Montana's least populated county. Its county seat is Winnett¹. It was created in 1926 and is the newest of Montana's 56 counties.

1 Geography
- 1.1 Adjacent counties
2 Demographics
3 Communities
- 3.1 Town
- 3.2 Unincorporated communities
4 References

Geography

According to the U.S. Census Bureau, the county has a total area of 1,674 square miles (4,336 km²), of which, 1,654 square miles (4,284 km²) of it is land and 20 square miles (52 km²) of it (1.20%) is water.

Adjacent counties

Demographics

As of the census² of 2000, there were 493 people, 211 households, and 136 families residing in the county. The population density was 0.29 people per square mile (0.11/km²). There were 292 housing units at an average density of 0.17 per square mile (0.07/km²). The racial makeup of the county was 99.19% White, 0.20% Native American, 0.20% from other races, and 0.41% from two or more races. 1.22% of the population were Hispanic or Latino of any race. 37.0% were of German,14.3% American, 13.2% Norwegian and 10.9% English ancestry according to Census 2000.

There were 211 households out of which 31.30% had children under the age of 18 living with them, 55.90% were married couples living together, 5.70% had a female householder with no husband present, and 35.10% were non-families. 31.30% of all households were made up of individuals and 17.50% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.95.

In the county the population was spread out with 26.00% under the age of 18, 6.10% from 18 to 24, 22.70% from 25 to 44, 28.20% from 45 to 64, and 17.00% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 110.70 males. For every 100 females age 18 and over, there were 111.00 males.

The median income for a household in the county was $24,107, and the median income for a family was $32,667. Males had a median income of $20,694 versus $17,188 for females. The per capita income for the county was $15,986. About 21.00% of families and 23.20% of the population were below the poverty line, including 25.60% of those under age 18 and 17.30% of those age 65 or over.