Dental Hygienist Pay in New Jersey-NJ. Tweet. The mean dental hygienist salary in New Jersey is $73,480 per year. The national average yearly salary is $66,950, so working as a dental hygienist on the east coast will pay significantly better than the national average.Average hourly pay for a dental hygienist is $35.33.Since many dental hygienists work part-time they are often paid hourly or on a commission based scale. The highest salary currently advertised for a dental hygienist in the state of New Jersey is $90,000!Below you will find above average dental hygienist salaries for the four largest cities in the state, all with a population of over 100,000. Elizabeth - $86,000.verage hourly pay for a dental hygienist is $35.33. Since many dental hygienists work part-time they are often paid hourly or on a commission based scale. The highest salary currently advertised for a dental hygienist in the state of New Jersey is $90,000!