65 ILCS 5/3.1-25-5

In each village incorporated under this Code, the electors of the village shall elect 6 trustees. The term of office of the trustees shall be 4 years and until their successors are elected and have qualified. Trustees elected at the first election for village officers after a village is incorporated, however, shall by lot designate one-half of their number, whose terms shall be 2 years and until their successors are elected and have qualified.