The average internship salary at Concord was $7,938 , which is 31 percent higher than the average salary for this job in California, but 67 percent lower than the national average for this job . Internship salaries at Concord typically range from $6,586 to $9,291 (25th to 75th percentile). The highest reported internship salary was $9,680. There are 6 employees at Concord with the job title internship.