Sealy
- County:
- Austin County
- County Seat:
- No
- Area (mi²):
- 11.722
- State:
- Texas
Sealy is a city located in Austin County, Texas. Sealy has a 2026 population of 7,553. Sealy is currently growing at a rate of 4.74% annually and its population has increased by 10.65% since the most recent census, which recorded a population of 6,826 in 2020.