In order for Thomas County employees and their families to observe the Holidays, all Thomas County offices are closed on the days shown below.
| January 1st, 2021 | Friday - New Years Day |
| February 15th, 2021 | Monday - Presidents Day |
| May 31st, 2021 | Monday - Memorial Day |
| July 5th, 2021 | Monday - Independence Day |
| September 6th, 2021 | Monday - Labor Day |
| November 11th, 2021 | Thursday - Veterans Day |
| November 25th, 2021 | Thursday - Thanksgiving Day |
| November 26th, 2021 | Friday - Day after Thanksgiving |
| December 24th, 2021 | Friday - Christmas Eve |
| December 27th, 2021 | Monday - Christmas Day |
| December 31st, 2021 | Friday - Treasures office closed to public at noon |
| January 1st, 2022 | Monday - New Year's Day |