Dental Hygienists is a growing field and extremely high in demand. The average annual income of a dental hygienist is $75,000. It can vary between $15 per hour and go up to as much as $40 per hour.Depending what state and area you are located in, the income can be considerably higher. For instance if you have great experiance and get a job in Beverly Hills, you can bet you can make over 6 figures. So if you are looking for a great career in the dental world, you may want to consider becoming a dental hygienist.