Vast Wooded Acreage in Fayette County. No frontage/access from Stewarton Road.

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Mill Run is located in Pennsylvania. Mill Run, Pennsylvania has a population of 148. Mill Run is less family-centric than the surrounding county with 19.15% of the households containing married families with children. The county average for households married with children is 26.78%.
The median household income in Mill Run, Pennsylvania is $58,056. The median household income for the surrounding county is $54,368 compared to the national median of $69,021. The median age of people living in Mill Run is 39.4 years.
The average high temperature in July is 81.6 degrees, with an average low temperature in January of 18.5 degrees. The average rainfall is approximately 40.2 inches per year, with 31.8 inches of snow per year.