One of the state's healthiest counties, 2010 and 2011: Collin County ranked No. 1 in the report's Health Factors category, which includes health behaviors, availability of care and social and economic factors. The county ranked No. 2 in the Health Outcomes category, which ranks counties by the lowest rate of premature deaths and lowest number of residents who are in poor health, according to the University of Wisconsin Population Health Institute's yearly County Health Rankings.

100 Best Places to Live in America, 2010 Edition: Collin County cities McKinney (#5) and Allen (#16) are among the four Texas cities listed in this annual survey of best places to live by CNN/Money Magazine.

Wealthiest Cities in the U.S.: Four of Collin County’s five largest cities are nationally ranked in the top 100 wealthiest cities, more than any other urban area in Texas and the Southwest, according to a new survey – U.S. Wealth Centers -- by Portfolio.com. Below are the cities with the national and regional rankings, based on per capita income in 2008:

Richardson, part of which lies in Collin County, ranked 110th, with a $32,925 per capita income; $70,641 in median household income, and a media home value at $174,900.

Collin County: Ranked 15th in U.S. by CNN Money.com’s "Counties With Best Job Growth"

Frisco: Ranked 7th in Forbes Magazine's "America's 25 Best Places to Move"

McKinney: Ranked 9th in Forbes Magazine's "America's 25 Best Places to Move"

Allen: Ranked 19th in Forbes Magazine's "America's 25 Best Places to Move"

Plano: Ranked 25th in Forbes Magazine's "America's 25 Best Places to Move"; ranked 9th in U.S. News' "America's 10 Best Places to Grow Up"

McKinney: The nation’s fastest-growing city between 2000 and 2007, with a population that more than doubled to 115,620, according to the U.S. Census Bureau.

Collin County: Ranked 14th in Forbes Magazine's "Best Places To Raise A Family"

McKinney: Ranked 14th in Money Magazine's "Best Places to Live"

Richardson: Ranked 18th in Money Magazine's "Best Places to Live"

Allen: Ranked 20th in Money Magazine's "Best Places to Live"

Frisco: Ranked 38th in Money Magazine's "Best Places to Live"

Collin County: Ranked 2nd in Forbes' "Best School Districts For The Buck", Ranked 13th Forbes' "Fastest Growing Counties"

Frisco: Ranked 7th in Forbes' "Fastest Growing Cities"

Wylie: Ranked 8th in Forbes' "Fastest Growing Cities"

McKinney: Ranked 13th in Forbes' "Fastest Growing Cities"

Allen: Ranked 33rd in Forbes' "Fastest Growing Cities"

Collin County: Ranked 1st in Money's "Fastest Growing Wages in America"

Plano: Ranked 11th in Money Magazine's "Best Places to Live"

Richardson: Ranked 15th in Money Magazine's "Best Places to Live"