510 ILCS 45/7
A municipality located in a county having fewer than 3,000,000 inhabitants or a county shall not enact an ordinance to prohibit the orderly keeping of carrier, racing, hobby, or show pigeons, except that (i) any municipality located in a county having 3,000,000 or more inhabitants may enact an ordinance to prohibit or regulate the orderly keeping of carrier, racing, hobby, or show pigeons and (ii) any municipality located in a county having fewer than 3,000,000 inhabitants may enact an ordinance to regulate, but not prohibit, the orderly keeping of carrier, racing, hobby, or show pigeons.
(from Ch. 8, par. 907)
(Source: P.A. 96-646, eff. 8-24-09.)