1.  The city planning commission shall consist of the mayor, the city attorney, the city engineer, ex officio, and 7 other members to be appointed by the mayor, not more than 2 of whom shall be nonresidents of the city.

2.  At the first meeting of the commission, the 7 appointed members shall choose their term of office by lot, as follows: 1 for 1 year; 2 for 2 years; 2 for 3 years; and 2 for 4 years. Their successors shall hold office for 4 years.

3.  Any vacancies shall be filled by the mayor for the unexpired term.