Texas Map
Map of Texas

Texas is the second-biggest state in the United States occupying an area of about 268,581 square miles. The state has an average length of about 790 miles and a width of approximately 773 miles. It is 962 times the size of Singapore.

Its border is defined by various rivers. River Sabine forms a part of the Louisiana-Texas border. The Red River forms part of the Texas-Arkansas and Texas-Oklahoma borders.

Topography of Texas

The state has fourteen soil zones, ten climatic regions, eleven distinct ecological regions, and two time zones (Mountain and Central time zones). The state is split into various regions from the west to southwest; the Range and Basin province, Great Plains, Interior Plains, and the Gulf Coastal Plains.

The Gulf Coastal Plains of Texas stretch from the Mexican Gulf to Easter Cross Timbers and Balcones Fault. The Great Plains includes Llano Uplift, Toyah Basin, Edwards Plateau, the Panhandle, and Llano Estacado.

The Basin and Mountain regions are in the western parts of the state, and it includes the Davis Mountains in the east and the Rio Grande.


In 2009, the U.S. Department of Homeland Security estimated 1.68 million illegal immigrants were living there. While the number of illegal immigrants living in the U.S. has declined since 2009, there was no change in population between 2009 and 2014.

The state’s population density is 90.5 people per square mile (34.9/km2) which is slightly higher than the average population density of the U.S. as a whole, at 80.6 people per square mile (31.1/km2).

In contrast, while Texas and France are similarly sized geographically, the European country has a population density of 301.8 people per square mile (116.5/km2).

Two-thirds of all Texans live in a major metropolitan area such as Houston. The Dallas-Fort Worth Metropolitan Area is the largest in the state.