Mill Creek Real EstateMill Creek is located in Pennsylvania. Mill Creek, Pennsylvania has a population of 1,219. Mill Creek is more family-centric than the surrounding county with 29.02% of the households containing married families with children. The county average for households married with children is 26.18%. The median household income in Mill Creek, Pennsylvania is $52,969. The median household income for the surrounding county is $57,055 compared to the national median of $69,021. The median age of people living in Mill Creek is 36.3 years. Mill Creek WeatherThe average high temperature in July is 83.2 degrees, with an average low temperature in January of 19.3 degrees. The average rainfall is approximately 39.2 inches per year, with 28 inches of snow per year. Mill Creek MapReal estate near Mill CreekNearby CitiesNearby Cities Homes for Sale |