Dublin
- County:
- Erath County
- County Seat:
- No
- Area (mi²):
- 3.587
- State:
- Texas
Dublin is a city located in Erath County, Texas. Dublin has a 2026 population of 3,450. Dublin is currently declining at a rate of -0.14% annually but its population has increased by 2.43% since the most recent census, which recorded a population of 3,368 in 2020.