Waco
- County:
- McLennan County
- County Seat:
- Yes
- Area (mi²):
- 91.005
- State:
- Texas
Waco is a city located in McLennan County, Texas. Waco has a 2026 population of 146,608. It is also the county seat of McLennan County. Waco is currently growing at a rate of 1.15% annually and its population has increased by 4.32% since the most recent census, which recorded a population of 140,543 in 2020.