The annual and hourly salary statistics of crushing, grinding, and polishing machine setters, operators, and tenders in Davenport-Moline-Rock Island, Iowa are shown in Table 1 and Table 2, respectively. The wage data of crushing, grinding, and polishing machine setters, operators, and tenders in Davenport-Moline-Rock Island is based on the national compensation survey conducted by the U.S. Bureau of Labor Statistics in 2017 and published in April 2018 [1].
| Percentile Bracket | Average Annual Salary |
|---|---|
| 10th Percentile Wage | $19,270 |
| 25th Percentile Wage | $21,640 |
| 50th Percentile Wage | $29,550 |
| 75th Percentile Wage | $48,510 |
| 90th Percentile Wage | $66,660 |
Table 1 shows the average annual salary for crushing, grinding, and polishing machine setters, operators, and tenders in Davenport-Moline-Rock Island, Iowa in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $66,660. The median (50th percentile) annual salary is $29,550. The average annual salary for the bottom 10 percent earners is $19,270.
The table and chart below show the trend of the median salary of crushing, grinding, and polishing machine setters, operators, and tenders from 2012 to 2017.
| Year | Median Salary | Yearly Growth | 5-Year Growth |
|---|---|---|---|
| 2017 | $29,550 | 13.37% | 13.37% |
| 2016 | $25,600 | -11.41% | - |
| 2015 | $28,520 | -17.81% | - |
| 2014 | $33,600 | 2.65% | - |
| 2013 | $32,710 | 21.74% | - |
| 2012 | $25,600 | - | - |
From Table 3 we note that with a median annual salary of $29,550, Davenport-Moline-Rock Island is the lowest paying city for crushing, grinding, and polishing machine setters, operators, and tenders in state of Iowa, following city of Southeast Iowa nonmetropolitan area (median annual salary of $45,950). In comparison, the median annual salary of crushing, grinding, and polishing machine setters, operators, and tenders in Davenport-Moline-Rock Island is 35.7 percent (35.7%) lower than that in the highest paying city Southeast Iowa nonmetropolitan area.
| Cities/Areas | Median Annual Salary |
|---|---|
| Southeast Iowa nonmetropolitan area | |
| Waterloo-Cedar Falls | |
| Des Moines-West Des Moines | |
| Northwest Iowa nonmetropolitan area | |
| Cedar Rapids | |
| Southwest Iowa nonmetropolitan area | |
| Northeast Iowa nonmetropolitan area | |
| Ames | |
| Davenport-Moline-Rock Island |