Dallastown is a borough in York County, Pennsylvania, United States. The population was 4,049 at the 2010 census. Dallastown was named after George M. Dallas of Philadelphia (Vice President of the United States during the Polk administration) during the presidential campaign of 1844.
Tips to conserve water: Use a hose nozzle and turn off the water while you wash your car and save more than 100 gallons at a time.