U.S. Census Bureau

Census Bureau: Chicago Area Population Grew Very Slightly In 2013The Chicago metro area had a growth of only 0.2 percent in 2013, with the fastest growing counties being Kendall and DuPage; and Porter County in Indiana.
Census Data: Chicago Slowest Growing Big City In U.S.Chicago gained nearly 10,000 people from July 2011 to July 2012, but was the slowest-growing major city in the country according to U.S. Census Bureau estimates released Thursday.
Toronto Stakes Claim To 4th Largest City In North America, Passing ChicagoThe City of Toronto was doing a little chest thumping Wednesday morning at the expense of Chicago, after surpassing the Windy City as the fourth largest city in North America.
Mayor Wants Review Of Chicago Census CountMayor Rahm Emanuel has requested that the U. S. Census Bureau review Chicago’s findings that challenge the 2010 Census count.
Big Jump In lllinois Same-Sex Couples Reporting Status To CensusThe number of Illinoisans telling the U.S. Census Bureau they’re part of a same-sex couple has jumped significantly.