US Postal Service employees working as Mail Processing Assistant in US have attributed a compensation and benefits rating of 3.6 out of 5 stars, based on 924 ratings. This is in line with the average of Mail Processing Assistant professionals at US Postal Service worldwide.
The salary trajectory of a Mail Processing Assistant ranges between locations and employers. The salary starts at $0 per year (estimate) and goes up to $0 per year (estimate) for the highest level of seniority.
The estimated average salary for a Mail Processing Assistant at US Postal Service is $46,802 per year or $23 per hour, but some professionals have reported earning up to roughly $65,293 per year (90th percentile). The typical pay range is between $39,671 (25th percentile) and $55,843 (75th percentile) annually. This is based on 11 salaries submitted by US Postal Service Mail Processing Assistant professionals on Glassdoor, as of Jul 2026.
Mail Processing Assistant professionals typically earn between $19 and $27 per hour.
Mail Processing Assistant professionals typically earn between $3,306 and $4,654 monthly.