Precinct 4 is one of four precincts located in Harris County, Texas and boasts a population of more than 1.2 million people. With a population of 4.3 million, Harris County is the largest county in Texas and the third-largest in the United States. It encompasses the Houston area, the largest city in Texas and fourth largest city in the nation. Both its total area and land area are larger than the state of Rhode Island.

Precinct 4 maintains 1,423 miles of roads and nearly 4 miles of bridges, eight community centers with more than 700,000 visitors annually, and 54 parks, with 13,455 acres of greenspace.