Plains is located in Montana. Plains, Montana has a population of 1,156. Plains is more family-centric than the surrounding county with 32.55% of the households containing married families with children. The county average for households married with children is 22.67%.
The median household income in Plains, Montana is $24,844. The median household income for the surrounding county is $46,848 compared to the national median of $69,021. The median age of people living in Plains is 39.7 years.
The average high temperature in July is 86 degrees, with an average low temperature in January of 20.9 degrees. The average rainfall is approximately 18.9 inches per year, with 39.4 inches of snow per year.