There is no officially recognized city, town, borough, township, village, or census-designated place named "Libraries" in the state of New Jersey.
This entry likely stems from a geographic database error, a misclassification of a point of interest (such as a local public library or county library system), or an automated data-scraping artifact. New Jersey contains 564 distinct municipalities across its 21 counties, and while many feature renowned historic library systems, none bear the word as a municipal name. As a result, no localized demographic, historical, or geographic data exists for this specific queried location.