Map of Dallas County, Texas

Dallas County is the second-most populous county in the U.S. state of Texas. As of the 2020 U.S. census, the population was 2,613,539, making it the ninth-most populous county in the country. Dallas County is included in the Dallas-Arlington-Fort Worth metropolitan statistical area—colloquially referred to as the Dallas–Fort Worth metroplex. Municipal expansion within Dallas County has blurred the geographic lines between cities and between neighboring counties.

Its county seat is the city of Dallas, which is also Texas’ third-largest city and the ninth-largest city in the United States. The county was founded in 1846 and was possibly named for George Mifflin Dallas, the 11th Vice President of the United States under U.S. President James K. Polk.

Dallas County overview:
Name:	Dallas County
FIPS code:	48-113
State:	Texas
Founded:	March 30, 1846
Named for:	George M. Dallas
Seat:	Dallas
Largest city:	Dallas
Total Area:	908.54 sq mi (2,353.1 km²)
Land Area:	873.06 sq mi (2,261.2 km²)
Total Population:	2,613,539
Population Density:	2,994/sq mi (1,156/km²)
Time zone:	UTC−6 (Central)
Summer Time Zone (DST):	UTC−5 (CDT)
Website:	www.dallascounty.org

Dallas County location map. Where is Dallas County?

Dallas County location on the U.S. Map. Where is Dallas County. — Location of Dallas County in the the United States.

Dallas County location on the Texas map. Where is Dallas County. — Location of Dallas County in Texas.

Dallas County Road Map

Dallas CountyStreet Map. — Street map of Dallas County, Texas. Source: OpenStreetMap (OSM)

Dallas CountyMap — Dallas Countypolitical map.

Geography

According to the U.S. Census Bureau, the county has a total area of 909 square miles (2,350 km), of which 873 square miles (2,260 km) is land and 36 square miles (93 km) (4.0%) is water. 3,519 acres of the county is contained within 21 county-owned nature preserves, which were acquired through the county’s Open Space Program.