Houston TX is the largest city in Texas and the 4th largest city in the United States. Boasting a population of just over 2.3 million and an area of 637.4 square miles, Houston TX is located in Southeast Texas. Founded in 1836 by land speculators, the city was incorporated in 1837 and named after former General Sam Houston who served as President of the Republic of Texas. Since then, the city has grown into a bustling industrial center and transportation hub. For those looking for machine monitoring in Houston TX, Shop Floor Automations is the first call.