Hartline is located in Washington. Hartline, Washington has a population of 191. Hartline is more family-centric than the surrounding county with 33.33% of the households containing married families with children. The county average for households married with children is 31.84%.
The median household income in Hartline, Washington is $78,935. The median household income for the surrounding county is $63,566 compared to the national median of $69,021. The median age of people living in Hartline is 52.9 years.
The average high temperature in July is 87.1 degrees, with an average low temperature in January of 21.4 degrees. The average rainfall is approximately 11.5 inches per year, with 19.3 inches of snow per year.