Newark, Delaware
City in Delaware, United States Newark, Delaware City City of Newark Main Street is the commercial heart of Newark. It is adjacent to the University of Delaware. Location of Newark in New Castle County, Delaware. Newark Location within the state of Delaware Show map of Delaware Newark Newark (the US) Show map of the US Coordinates: 39°41′01″N 75°44′59″W / 39.68361°N 75.74972°W / 39.68361; -75.74972 Coordinates: 39°41′01″N 75°44′59″W / 39.68361°N 75.74972°W / 39.68361; -75.74972 Country United States State Delaware County New Castle Founded 1694 Incorporated 1758 Government • Mayor Polly Sierer Area [1] • Total 31.19 sq mi (31.79 km 2 ) • Land 7.19 sq mi (23.79 km 2 ) • Water 0.00 sq mi (0.00 km 2 ) Elevation 128 ft (39 m) Population (2010) • Total 31,454 • Estimate (2016) [2] 33,398 • Density 3,635.35/sq mi (1,403.59/km 2 ) Time zone UTC-5 (Eastern (