About Hartline, WA
Hartline is located in Washington. Hartline, Washington has a population of 116. Hartline is less family-centric than the surrounding county with 16% households with children. The county percentage for households with children is 34%.
The median household income in Hartline, Washington is $63,125. The median household income for the surrounding county is $55,949 compared to the national median of $61,963. The median age of people living in Hartline is 52.2 years.
The average high temperature in July is 87.01 degrees, with an average low temperature in January of 19.96 degrees. The annual precipitation is 10.52.
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