Mercedes
- County:
- Hidalgo County
- County Seat:
- No
- Area (mi²):
- 11.799
- State:
- Texas
Mercedes is a city located in Hidalgo County, Texas. Mercedes has a 2026 population of 17,535. Mercedes is currently growing at a rate of 4.09% annually and its population has increased by 7.79% since the most recent census, which recorded a population of 16,267 in 2020.