This detailed Dallas County map shows the county's boundaries, cities, highways, rivers, lakes, parks, and major transportation routes in North Texas. Dallas, the county seat and largest city, is prominently displayed near the center. Other communities shown include Irving, Garland, Richardson, Carrollton, Mesquite, Grand Prairie, Duncanville, Lancaster, DeSoto, Cedar Hill, and Rowlett. The map also identifies surrounding Denton, Collin, Rockwall, Kaufman, Ellis, and Tarrant counties.
Major transportation routes, including Interstates 20, 30, 35E, 45, and 635, are clearly marked, making the map useful for understanding regional connectivity. Water features such as Grapevine Lake, North Lake, Mountain Creek Lake, and Lake Ray Hubbard are also shown. This map is useful for students, travelers, researchers, businesses, and anyone interested in Dallas County's geography, transportation network, and surrounding communities.
| Fact | Details |
|---|---|
| Official Name | Dallas County, Texas |
| State | Texas |
| Country | United States |
| Founded | March 30, 1846 |
| Incorporated | Organized in 1846 |
| Population | 2,661,397 (2025 estimate) |
| County | Dallas |
| Area | Approximately 909.7 sq mi total; 872.1 sq mi land |
| Time Zone | Central Time Zone (CT) |
| ZIP Codes | Primarily 750xx, 751xx, 752xx, and 753xx |
| Area Code | 214, 469, 945, 972 |
| Known For | Dallas, business and commerce, sports, culture, transportation, and the Dallas–Fort Worth metropolitan area |
| Major Airport | Dallas Love Field (DAL); Dallas–Fort Worth International Airport (DFW) is nearby and serves the region |
| Climate | Humid subtropical; hot summers and generally mild winters |
| Nickname | No widely recognized official county nickname |
| Major Highways | I-20, I-30, I-35E, I-45, I-635, US 67, US 75, US 80, US 175, US 287 |
| Nearby Border | Denton, Collin, Rockwall, Kaufman, Ellis, and Tarrant |
| Major Attractions | Dealey Plaza, Sixth Floor Museum, Dallas Arboretum, Fair Park, Dallas Museum of Art, Perot Museum, and Reunion Tower |