The state that pays janitors the highest average salary is New York, with a mean annual wage of approximately $43,420. Following closely are Washington at around $43,380, Massachusetts at about $42,080, California at roughly $41,860, and Rhode Island at approximately $40,200. These figures reflect the higher cost of living and demand for janitorial services in these regions, which often results in higher wages compared to other states. It's important to note that salaries can vary within states depending on the city or district, and factors such as experience, employer type, and specific job responsibilities can influence individual pay rates. Overall, if you're seeking higher wages as a janitor, these states tend to offer the most competitive compensation in the United States.