
Bay City
- County:
- Matagorda County
- County Seat:
- Yes
- Area (mi²):
- 9.268
- State:
- Texas
Bay City is a city located in Matagorda County, Texas. Bay City has a 2025 population of 17,241. It is also the county seat of .Bay City is currently declining at a rate of -0.92% annually and its population has decreased by -4.43% since the most recent census, which recorded a population of 18,041 in 2020.
The average household income in Bay City is $65,799 with a poverty rate of 26.65%. The median age in Bay City is 32.8 years: 32.9 years for males, and 32.5 years for females.