Average cosmetologist salary. In the United States, the average salary of cosmetologist is $24,421 per annum. The national hourly rate for cosmetologist is from $7.44 – $17.79 with average hourly tips from $0.52 – $5.09 and a top overtime pay of $23.59 per hour.onclusion about cosmetologist salary. As noted by payscale, the average pay per annum of cosmetologist in the United States is from $15,701 – $47,724 with the median average of cosmetologists collecting around $24.421 per year.