Warren County government offices are closed on the following dates in 2023:
- New Year's Day (observed): January 2
- Martin Luther King Jr. Day: January 16
- Lincoln's Birthday (observed): February 13
- Washington's Birthday: February 20
- Good Friday: April 7
- Memorial Day: May 29
- Juneteenth (observed): June 16
- Independence Day: July 4
- Labor Day: September 4
- Columbus Day: October 9
- Election Day: November 7
- Veterans Day (observed): November 10
- Thanksgiving Day: November 23
- Day after Thanksgiving: November 24
- Christmas: December 25