Frelinghuysen Township is located in Warren County, New Jersey. There are roughly 2,231 residents, living in 759 households. The average temperature for Frelinghuysen Township this time of the year is low of 54F and high of 78F. On average, Frelinghuysen Township gets about 4.55 inches of precipitation in June. Most residents are home owners (91%), have a post secondary degree (58%) and are married, no kids (44%).
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