TRENTON, NJ -- Most Mercer County government offices, including all branches of the Mercer County Library System, will be closed Monday, January 18 in observance of Martin Luther King Jr. Day. Municipal offices in both Hamilton Township and Robbinsville Township also will be closed for the day. 

County government offices will reopen – with visits by appointment only – on Tuesday, January 19. Information on visiting county offices and facilities, including hours of operation and contact information, can be found here.

Several attractions at the Mercer County Park Commission facilities will be open on Veterans Day.  They are: Ice Skating Center (10 a.m. until noon and 1:00 pm to 3:00 p.m.); Tennis Center (7:30 a.m. to 10:30 p.m); all four County golf courses (8 a.m. to 4 p.m.); Mercer County Stables (8 a.m. to 5 p.m.); and the Wildlife Center will be accepting patients from 10 a.m. to 3 p.m. by appointment only. The Tulpehaking Nature Center, Howell Living History Farm and Park Commission administrative offices will be closed. 

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For more information on Park Commission facilities, visit

Trenton-Mercer Airport (except for administrative offices), Correction Center, Sheriff’s Office and the Emergency Services Communication Center will remain open.

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