Extension Service salary at Williamson County

The average extension service salary at Williamson County was $38,251 , which is 24 percent higher than the average salary for this job in Texas, and 25 percent higher than the national average for this job . Extension Service salaries at Williamson County typically range from $34,291 to $42,210 (25th to 75th percentile). The highest reported extension service salary was $44,068. There are 4 employees at Williamson County with the job title extension service.