In May 2014, the average salary of dental hygienists in the United States was $71,970, according to the Bureau of Labor Statistics. The bottom 10 percent of dental hygienists earned less than $49,190, while the top 10 percent earned more than $97,390.
The wages of dental hygienists vary by state, with averages greater than $90,000 existing in some states. Dental hygienists in Washington, D.C., earned an average of $95,570 in 2014, while dental hygienists in California earned an average of $94,370. In certain metropolitan areas, the average salaries were even higher. In the San Francisco-San Mateo-Redwood City, California Metropolitan Division, the average salary was $111,380. In the Vallejo-Fairfield, California area, it was $103,750.