Middlesex is a borough in Middlesex County, in the U.S. state of New Jersey. It is located within the Raritan Valley region. As of the 2020 United States census, the borough's population was 14,636, its highest decennial count and an increase of 1,001 (+7.3%) from the 2010 census count of 13,635, which in turn reflected a decline of 82 (−0.6%) from the 13,717 counted in the 2000 census.
Victor Crowell Park, featuring the duck pond
Evening at Victor Crowell Park, commonly referred to as Duck Pond
Route 28, the most prominent highway in Middlesex
The Raritan River is a major river of New Jersey. Its watershed drains much of the mountainous area of the central part of the state, emptying into the Raritan Bay on the Atlantic Ocean.
Raritan River as seen from Bridgewater Township, New Jersey
Confluence of the South Branch and the North Branch with the Raritan River in Branchburg
Raritan River viewed from Queens Bridge in Bound Brook
Raritan River at the Fall Line, as seen from Highland Park