Ogdensburg is a borough in Sussex County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 2,410 reflecting a decline of 228 (-8.6%) from the 2,638 counted in the 2000 Census, which had in turn declined by 84 (–3.1%) from the 2,722 counted in the 1990 Census.
The borough was formed based on an Act of the New Jersey Legislature on February 26, 1914, from part of Sparta Township, subject to the results of a referendum held on March 31, 1914. Ogdensburg is named after its first settler, Robert Ogden.
New Jersey Monthly magazine ranked Ogdensburg as its 27th best place to live in its 2008 rankings of the "Best Places To Live" in New Jersey.