Highest salary at Riverside County in year 2023 was $608,343. Number of employees at Riverside County in year 2023 was 27,788. Average annual salary was $94,885 and median salary was $82,596. Riverside County average salary is 102 percent higher than USA average and median salary is 90 percent higher than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 11.4 percent, the median salary increased 12.4 percent.