Town Hall Address 215 S Main Street Henderson, IL 61439 United States- Knox County Zoning 309-299-9835 215 S Main Street Henderson, IL 61439 United States Fire District (309) 344-3111 218 Knox HWY 37 Wataga, IL 61488 United States Town Clerk 309-299-9835 215 S Main Street Henderson, IL 61439 United States Tax Collector 309-345-3845 200 South Cherry Street Galesburg, IL 61401 United States County Knox