
Willacy County
- State:
- Texas
- County Seat:
- Raymondville
Willacy County's estimated 2025 population is 19,603 with a growth rate of -1.09% in the past year according to the most recent United States census data. Willacy County is the 126th largest county in Texas. The 2010 population was 22,226 and has seen a growth of -11.8% since that time.