Westline Real EstateWestline is located in Pennsylvania. Westline, Pennsylvania has a population of 491. The median household income in Westline, Pennsylvania is $41,845. The median household income for the surrounding county is $45,866 compared to the national median of $57,652. The median age of people living in Westline is 37.1 years. Westline WeatherThe average high temperature in July is 77.3 degrees, with an average low temperature in January of 13.6 degrees. The average rainfall is approximately 45.4 inches per year, with 52.7 inches of snow per year. Westline MapReal estate near WestlineNearby CitiesNearby Cities Homes for Sale |