Baylor University is located in the city of Waco, Texas. Waco is a four-letter word that is the answer to the crossword puzzle clue for Baylor University's city. Waco is a city in McLennan County, Texas, and is the county seat. It is situated along the Brazos River and I-35, halfway between Dallas and Austin. Waco has a population of over 140, 000 people and is home to several universities, including Baylor University.