- Belo is a city in Texas, United States. It is located in McLennan County and is part of the Waco metropolitan area. The population of Belo is approximately 350,000 people. The city is known for its beautiful parks, historic neighborhoods, and thriving downtown area. It is also home to Baylor University, a prestigious private university. Belo offers a variety of recreational activities, such as boating and fishing on the nearby Lake Waco, as well as numerous cultural events and festivals throughout the year. Overall, Belo is a vibrant and welcoming city with a strong sense of community.