Johnsonburg's
Daily Encourager

Johnsonburg is an unincorporated community and census-designated place (CDP) located within Frelinghuysen Township in Warren County, in the U.S. state of New Jersey, that was created as part of the 2010 United States census. As of the 2020 Census, the CDP's population was 381, up from 101 in the 2010 Census.