Dallas County, Texas

Dallas County is a located in the  of  within the  (colloquially referred to as the Dallas/Fort Worth Metroplex). As of the, the county had a population of 2.2 million (though a  estimate placed the population at 2.3 million) and is now the  in the.

Its is, which is also the largest city in the county. Dallas County is the most populous county within the metropolitan area and contains the largest of its principal cities. The county was named in honor of, the eleventh.

Geography
According to the, the county has a total area of 2353 sqkm. 2278 sqkm of it is land and 75 sqkm of it (3.19%) is water.

Adjacent counties

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

Demographics
As of the of 2000, there were 2,218,899 people, 807,621 households, and 533,837 families residing in the county. The was 2,523/sq mi (974/km²). There were 854,119 housing units at an average density of 971/sq mi (375/km²). The racial makeup of the county was 58.35%, 20.31% or , 0.56% , 3.98% , 0.06% , 14.04% from , and 2.70% from two or more races. 29.87% of the population were or  of any race.

There were 807,621 households out of which 35.10% had children under the age of 18 living with them, 46.90% were living together, 14.10% had a female householder with no husband present, and 33.90% were non-families. 27.30% of all households were made up of individuals and 5.90% had someone living alone who was 65 years of age or older. The average household size was 2.71 and the average family size was 3.34.

In the county, the population was spread out with 27.90% under the age of 18, 10.70% from 18 to 24, 34.40% from 25 to 44, 18.90% from 45 to 64, and 8.10% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 99.80 males. For every 100 females age 18 and over, there were 98.00 males.

The median income for a household in the county was US$43,324, and the median income for a family was $49,062. Males had a median income of $34,988 versus $29,539 for females. The for the county was $22,603. About 10.60% of families and 13.40% of the population were below the, including 18.00% of those under age 18 and 10.50% of those age 65 or over.

Cities and towns
†Denotes a municipality whose physical boundaries extend beyond Dallas County

Historical communities

 * (Annexed by in )
 * Embree (merged into in )
 * Fruitdale (annexed by Dallas in )
 * Duck Creek (merged into in )
 * (Merged into in )
 * (Merged into in )
 * (Merged into in  - not to be confused with the  )
 * (Annexed by in )
 * Penn Springs (Annexed by in )
 * (Merged into in )
 * (Annexed by )
 * (Annexed by )

Education
The following school districts serve Dallas County:

Transportation
, located in Dallas and in Dallas County, serves many domestic passengers.

partially located in the city of in Dallas County and  and  in.