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Carrollton is a city in Denton County, Dallas County and Collin County in the U.S. state of Texas. As of 2005, census estimates the city's total population to be 122,699. Carrollton is a suburb of Dallas. The city of Carrollton has been named to America's 2006 Top 100 Places to Live for 2006 by Relocate America.
The boundaries of Carroll County were created by the Georgia General Assembly on June 9, 1826, but the county was not named until December 14, 1826. It was named for Charles Carroll of Carrollton, at that time the last surviving signer of the U.S. Declaration of Independence, as was Carrollton, the county seat. When the county was first organized, the legislature designated the county seat as Old Carrollton, Georgia but in 1830 it was moved to Carrollton. This county originally extended from the Chattahoochee River to the Alabama state line on the east and on the west, with its northern boundary at the Cherokee Nation, just north of present-day Interstate 20.