Extension Agent salary at Johnson County

The average extension agent salary at Johnson County was $28,113 , which is 37 percent lower than the average salary for this job in Texas, and 50 percent lower than the national average for this job . Extension Agent salaries at Johnson County typically range from $23,196 to $33,031 (25th to 75th percentile). The highest reported extension agent salary was $33,031. There are 2 employees at Johnson County with the job title extension agent.