A primary cities therein convenient growing county come McKinney, Plano, Allen, Frisco, and a little section of Dallas. Collin County, & its county courthouse of McKinney, come known as when Collin McKinney, one of a 5 men world health organization drafted the Texas Declaration of Independence and the oldest of the 59 men world health organization signed it.

Geography
Based on data from the U.S. Census Bureau, the county has a total area of 2,294 km² (886 mi²). 2,195 kilometre² (848 mi²) of these are l& and 99 klick² (38 mi²) of these are a body of water. A amount region is Quaternary.32% a lake. Adjacent counties
Grayson County (north) Fannin County (northeast) Hunt County (east) Rockwall County (southeast) Dallas County (south) Denton County (west)

Demographics
When of the census² of 2000, there are 491,675 people, 181,970 households, and 132,292 families residing in the county. A population density is 224/km² (580/mi²). There are 194,892 housing units at an typical density of 89/km² (230/mi²). A racial makeup of the county is 81.39% White, 4.79% Black or African American, 0.47% Native American, 6.92% Asian, 0.05% Pacific Islander, 4.26% from other races, and 2.11% from two or more races. X.27% of the people are Hispanic or Latino of any race.

There are 181,970 family away from which Xl.60% stand babies under a age of Eighteen swallow the children, 62.10% come married couples living together, 7.50% have a female homeowner using there are no hubby present, & Twenty-seven.30% come non-families. Xxii.10% of a lot home come processed higher of souls & Ternary.10% keep around mortal dwelling alone world health organization is 65 years aged or even older. A typical family size is Ii.68 & a typical personal size is Trine.Xviii.

In a county, the people is spread retired using Twenty-eight.70% under a age of Eighteen, Vii.40% from either 18 to Two dozen, 37.90% from either 25 to 44, Twenty.70% from either 4Quintet to 64, & 5.30% world health organization come 65 years aged or even older. A median age is 33 years. For each One c females there are 99.Lxxx males. For each Hundred females age Xviii & complete, there are 97.Lxxx males.

the median income for a personal in the county is $70,835, & the median income for a family is $81,856. Males have a median income of $57,392 versus $36,604 for females. A per capita income for the county is $33,345. Iv.90% of the people & Terzetto.30% of families come following a poverty line. Away from a amount people, V.10% of victims under a age of 18 & 7.10% of people 65 & older come residing beneath a poverty level.

Cities and towns

Allen Anna Blue Ridge Celina Dallas† Fairview Farmersville Frisco†

Josephine Lavon Lowry Crossing Lucas McKinney Melissa Murphy

Nevada New Hope Parker Plano † Princeton Prosper Richardson †

Royse City Sachse † St. Paul Westminster Weston Wylie

† City extends into an adjacent county.