//-->. It is a "nice place to live." Search 8 Rental Properties in Churchville, Pennsylvania 18966. The list below includes the cities that the US Post Office accepts for ZIP code 18966. Lower Southampton Township is a township in Bucks County, Pennsylvania, United States.The population was 18,909 at the 2010 census Explore Neighborhoods in Southampton, PA. When mailing your package or letter, always include the preferred or acceptable cities. The city for 19053 is usually the name of the main post office. So 18966 is likely to be one of the nicer parts of town with a more affluent demographic. This location serves 37,999 Southampton residents with a median income of $92,337. Southampton, PA is a namesake of Southampton, England, the seaport from which adventurous followers of William Penn sailed to the Province of Pennsylvania. Southampton Township is about a one hour drive south of the Harrisburg area on Interstate 81. Key Zip or click on the map.. Advertisement. Help. Data sources include the United States Postal Service, U.S. Census Bureau, Yahoo, Google, FedEx, and UPS. Store & ATM. Using any city in the list of unacceptable cities may result in delays. would like to have printed using the map on the page. Key Zip or click on the map.. Advertisement. In the most recent US census the population of Southampton was 630. Explore Southampton, Pennsylvania zip code map, area code information, demographic, social and economic profile. It is located about 85 miles west of MA's capital city of Boston. Please make sure you have panned and zoomed to the area that you Find MoreCities in Pennsylvania that start with S, Post Office Address:1034 2ND STREET PIKE STE 1, Post Office Suburb:RICHBORO, PA, 18954-1863,