Pasadena
- County:
- Harris County
- County Seat:
- No
- Area (mi²):
- 43.69
- State:
- Texas
Pasadena is a city located in Harris County, Texas. Pasadena has a 2026 population of 149,617. Pasadena is currently growing at a rate of 0.55% annually but its population has decreased by -1.21% since the most recent census, which recorded a population of 151,449 in 2020.