Cities: Armington, Benson, Bradford, Brimfield, Camp Grove, Castleton, Chillicothe, Congerville, Creve Coeur, Deer Creek, Delavan, Dunlap, East Peoria, Edelstein, Edwards, El Paso, Elmwood, Eureka, Glasford, Goodfield, Green Valley, Groveland, Hanna City, Henry, Hopedale, Kingston Mines, La Fayette, La Rose, Lacon, Laura, Lowpoint, Mackinaw, Mapleton, Metamora, Minier, Minonk, Morton, Mossville, Pekin, Peoria, Peoria Heights, Princeville, Roanoke, Rome, Secor, South Pekin, Sparland, Speer, Toluca, Toulon, Tremont, Trivoli, Varna, Washburn, Washington, Wenona, Wyoming
Zip Codes: 61369, 61375, 61377, 61421, 61424, 61426, 61449, 61451, 61479, 61483, 61491, 61516, 61517, 61523, 61525, 61526, 61528, 61529, 61530, 61533, 61534, 61535, 61536, 61537, 61539, 61540, 61541, 61545, 61547, 61548, 61550, 61552, 61554, 61555, 61558, 61559, 61561, 61562, 61564, 61565, 61568, 61569, 61570, 61571, 61601, 61602, 61603, 61604, 61605, 61606, 61607, 61610, 61611, 61612, 61613, 61614, 61615, 61616, 61625, 61628, 61629, 61630, 61632, 61633, 61634, 61635, 61636, 61637, 61638, 61639, 61640, 61641, 61643, 61644, 61650, 61651, 61652, 61653, 61654, 61655, 61656, 61721, 61729, 61733, 61734, 61738, 61742, 61747, 61755, 61759, 61760, 61771
Population: 362,240