Sussex County

Andover borough [1904]
Andover Township [1864]
Branchville borough [1898]
Byram Township [1798]
Frankford Township [1798]
Franklin borough [1913]
Fredon Township [1904]
Green Township [1824]
Hamburg borough [1920]
Hampton Township [1864]
Hardyston Township [1762]
Hopatcong borough [1898: Brooklyn to 1901]
Lafayette Township [1845]
Montague Township [1759]
NEWTON town [1751: Township to 1864- originally New Town]- county courthouse
Ogdensburg borough [1914]
Sandyston Township [1762]
Sparta Township [1845]
Stanhope borough [1904]
Stillwater Township [1824]
Sussex borough [1891: Deckertown to 1902]
Vernon Township [1792]
Walpack Township [1731]
Wantage Township [1754]

Source:  New Jersey Localities: Civil Divisions and Municipalities; http://www.thegreenpapers.com/slg/localities.phtml?state=NJ