Highest Riverhead employee salary in year 2022 was $252,534. Riverhead employees number in year 2022 was 362. Riverhead average salary was $64,375 and median salary was $55,555. According to the last payroll, Riverhead average salary is 14 percent lower than USA average but 10 percent higher than New York state average. Riverhead employee salaries are usually between $8,755 and $88,886. Top 10% of highest-earning employees have salaries ranging from $162,981 to $252,534.