18631 Zip Code
18631 zip code is located in east Pennsylvania. 18631 zip code is part of Columbia County. 18631 zip code has 1.72 square miles of land area and 0.16 square miles of water area. As of 2010, the total 18631 zip code population is 1,286, which has grown 6.02% since 2000. The population growth rate is higher than the state average rate of 3.43% and is lower than the national average rate of 9.71%. 18631 zip code median household income is $37,250 in 2000. 18631 zip code median house value is $89,500 in 2000. On average, the public school district that covers 18631 zip code is better than the state average in quality. The 18631 zip code area code is 570.
18631 Zip Code Map, Border, and Nearby Locations
* Based on the U.S. 2010 Data