Edward Rowan Finnegan of Chicago was a U.S. Representative from Illinois, 1961-1962. Chicago (officially named the City of Chicago) is the third largest city in the United States (after New York City and Los Angeles), with an official population of 2,896,016, as of the 2000 census. ... The House of Representatives is the larger of two houses that make up the U.S. Congress, the other being the United States Senate. ... State nickname: Land of Lincoln, The Prairie State Other U.S. States Capital Springfield Largest city Chicago Governor Rod Blagojevich (D) Official languages English Area 149,998 km² (25th)  - Land 143,968 km²  - Water 6,030 km² (4. ...