[19] the population increased so the county was partitioned on october 31, 1693, into the townships of piscataway, perth amboy, and woodbridge Adjacent somerset county was established on may 14, 1688, created from portions of middlesex county Middlesex county, nj and its businesses, partners, and residents are forging a path that spurs innovation, economic growth, and opportunities for our community. Founded in 1683, middlesex county is one of 21 counties in the state of new jersey Historically, middlesex county was one of four original counties created in east jersey The city of new brunswick is the county seat
With fips code of 23, middlesex county has a population of 860,807 and area of 311 square miles (805 km²) List of all cities in middlesex county, nj alphabetically It consists largely of a coastal lowland Other bodies of water include carnegie and farrington lakes and the south river.
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