Hartline is located in Washington. Hartline, Washington has a population of 153. Hartline is more family-centric than the surrounding county with 47.22% of the households containing married families with children. The county average for households married with children is 36.74%.
The median household income in Hartline, Washington is $52,500. The median household income for the surrounding county is $52,382 compared to the national median of $57,652. The median age of people living in Hartline is 47.7 years.
The average high temperature in July is 84.6 degrees, with an average low temperature in January of 20 degrees. The average rainfall is approximately 10.9 inches per year, with 14.6 inches of snow per year.