Mercer County NJ Events Calendar — December 2025 — County Brief

Saturday, October 10, 2026

Mercer County calendar

Events

Concerts, fairs, sports, and community nights across the county. Turn categories on or off to thin the calendar.

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‹ Nov

December 2025

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3 events countywide

30 1 2 3 4 5 6 7 8 9 10 11 12 13 Holiday POPS! 14 15 16 17 18 19 Handel's Messiah 20 Handel's Messiah 21 22 23 24 25 26 27 28 29 30 31 1 2 3

Saturday, December 13

Music & Theater

Holiday POPS!

Princeton Symphony Orchestra - Princeton

Friday, December 19

Music & Theater

Handel's Messiah

Richardson Auditorium - Princeton

Saturday, December 20

Music & Theater

Handel's Messiah

Richardson Auditorium - Princeton