Collin County, Texas

Collin County is a located in the  of. In 2000, its population was 491,675; in 2006 the estimated that its population had reached 698,851. Its is. The county and its seat are both named in honor of, one of the five men who drafted the and the oldest of the 59 men who signed it.

Collin County is part of the. A small portion of the city of is located in the county. Other important cities in the county include, , McKinney, , , and.

Collin County is the richest county in Texas and the

Geography
According to the, the county has a total area of 2,294 (886 ). 2,195 km² (848 sq mi) of it is land and 99 km² (38 sq mi) of it (4.32%) is water.

Major Highways

 * [[Image:US 75.svg|25px]]
 * [[Image:US 380.svg|25px]]
 * [[Image:Texas_5.svg‎|25px]]
 * [[Image:Texas 78.svg|25px]]
 * [[Image:Texas_121.svg|25px]][[Image:Toll_Texas_121.svg|25px]]‎

Adjacent counties

 * (north)
 * (northeast)
 * (east)
 * (southeast)
 * (south)
 * (west)

Demographics
As of the of 2000, there were 491,675 people, 181,970 households, and 132,292 families residing in the county. The was 224/km² (580/sq mi). There were 194,892 housing units at an average density of 89/km² (230/sq mi). The racial makeup of the county was 81.39%, 4.79% or , 0.47% , 6.92% , 0.05% , 4.26% from , and 2.11% from two or more races. 10.27% of the population were or  of any race.

There were 181,970 households out of which 40.60% had children under the age of 18 living with them, 62.10% were living together, 7.50% had a female householder with no husband present, and 27.30% were non-families. 22.10% of all households were made up of individuals and 3.10% had someone living alone who was 65 years of age or older. The average household size was 2.68 and the average family size was 3.18.

In the county, the population was spread out with 28.70% under the age of 18, 7.40% from 18 to 24, 37.90% from 25 to 44, 20.70% from 45 to 64, and 5.30% who were 65 years of age or older. The median age was 33 years. For every 100 females there were 99.80 males. For every 100 females age 18 and over, there were 97.80 males.

The median income for a household in the county was $70,835, and the median income for a family was $81,856. Males had a median income of $57,392 versus $36,604 for females. The for the county was $33,345. About 3.30% of families and 4.90% of the population were below the, including 5.10% of those under age 18 and 7.10% of those age 65 or over. Based on per capita income, Collin County is the richest county in Texas, and one of the wealthiest in the United States.

Cities and towns
† City extends into an adjacent county. †† City extends into 2 adjacent counties.