Jacksonville is an unincorporated community that is located in Lynn Township in Lehigh County, Pennsylvania. It is part of the Lehigh Valley, which has a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census.

History

After land had been given for a church and churchyard, the first house was built in 1820. The village was named after President Andrew Jackson in 1845.

Points of interest

• Jacob's Church, the third building for the congregation, was built here in 1864.
• Leaser Lake, including the 1928 monument to Frederick Leaser, who transported the Liberty Bell to the Zion Reformed Church in Allentown during the American Revolutionary War.