Town Hall Address 406 5th St Lacon, IL 61540 United States- Marshall County Website http://www.laconcity.com/ Zoning (309) 246-6111 406 5th St Lacon, IL 61540 United States Fire District (309) 246-4095 921 Fifth ST Lacon, IL 61540 United States Town Clerk (309) 246-6111 406 5th St Lacon, IL 61540 United States Tax Collector 309-246-6111 406 5th St Lacon, IL 61540 United States County Marshall