where is califon new jersey
Califon, New Jersey. Califon is a borough in Hunterdon County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 1,076, reflecting an increase of 21 (+2.0%) from the 1,055 counted in the 2000 Census, which had in turn declined by 18 (-1.7%) from the 1,073 counted in the 1990 Census.