Murphy
- County:
- Collin County
- County Seat:
- No
- Area (mi²):
- 5.697
- State:
- Texas
Murphy is a city located in Collin County, Texas. Murphy has a 2026 population of 21,109. Murphy is currently declining at a rate of -0.3% annually but its population has increased by 0.13% since the most recent census, which recorded a population of 21,082 in 2020.