The average cost of living for an American [edit]. 1  $20,194 per person per year according to Bureau of Labor Statistics (value given divided by 2.5 average household size ('consumer unit') - [1].
Their annual salaries vary according to industry and place of employment. Concrete finishers made a mean annual $39,370, with the lowest-paid 10 percent earning $23,180 yearly, and the highest-paid 10 percent making $62,600 per year.
1 For example, a $2.50 per square foot job is going to give you a plain, simple concrete with a very basic design. 2  A mid range job that varies from $4.50 to $8 per square foot can give you a few different coloring methods, as well as more elaborate, decorative effects.