Tinley Park,village (1990 pop. 37,121), Cook and Will counties, NE Ill., a residential suburb of ChicagoChicago
, city (1990 pop. 2,783,726), seat of Cook co., NE Ill., on Lake Michigan; inc. 1837. The third largest city in the United States and the heart of a metropolitan area of over 8 million people, it is the commercial, financial, industrial, and cultural center for a vast
..... Click the link for more information. ; inc. 1892. Its population grew significantly in the late 20th cent. Brushes and brooms and electronic products are manufactured, and there is some agriculture (corn, cattle, dairying).
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