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Postal Service Clerks vs Postal Service Mail Sorters, Processors, and Processing Machine Operators: what changes?

Consider Postal Service Clerks if you want to perform any combination of tasks in a United States Postal Service (USPS) post office, such as receive letters and parcels; sell postage and revenue stamps, postal cards, and stamped envelopes; fill out and…. Consider Postal Service Mail Sorters, Processors, and Processing Machine Operators if you would rather prepare incoming and outgoing mail for distribution for the United States Postal Service (USPS). Both list no formal educational credential; compare training and prior experience separately.

Try this next: Compare three local entry-level postings for Postal Service Clerks and Postal Service Mail Sorters, Processors, and Processing Machine Operators. List the duties, credentials, prior experience, and paid training each employer actually asks for. Try a supervised class or sample project from each field before choosing a program.

BLS 2025 wages and 2025–2035 projections. National medians are not starting offers. Occupation size is not a count of vacancies. View the BLS data.

Compare the practical differences
What this means in practice

The facts most likely to affect your decision

Start with earnings, the route into the job, training, available openings, and a day-to-day reality.

Postal Service Clerks

National median pay (2025)
$62,130
Route into the job
No formal educational credential; One month or less of on-the-job training, in addition to any qualifying education or licensing
Prior related experience
No prior related occupation is typically required; employer requirements vary.
Training and licensing
One month or less of on-the-job training, in addition to any qualifying education or licensing.
Work to investigate
Weigh letters and parcels, compute mailing costs based on type, weight, and destination, and affix correct postage.
Annual openings (2025–2035)
5,300
Know before you choose

BLS projects employment to shrink 0.3% from 2025 to 2035. Openings can still occur when existing workers leave.

See the full Postal Service Clerks brief

Postal Service Mail Sorters, Processors, and Processing Machine Operators

National median pay (2025)
$58,470
Route into the job
No formal educational credential; One month or less of on-the-job training, in addition to any qualifying education or licensing
Prior related experience
No prior related occupation is typically required; employer requirements vary.
Training and licensing
One month or less of on-the-job training, in addition to any qualifying education or licensing.
Work to investigate
Clear jams in sorting equipment.
Annual openings (2025–2035)
7,300
Know before you choose

BLS projects employment to shrink 5.3% from 2025 to 2035. Openings can still occur when existing workers leave.

See the full Postal Service Mail Sorters, Processors, and Processing Machine Operators brief
See scores, detailed data, and how the comparison works

How the national numbers differ

1

Postal Service Clerks has the edge on projected growth

Postal Service Clerks is at -0.3% projected growth, compared with -5.3% projected growth for Postal Service Mail Sorters, Processors, and Processing Machine Operators.

2

Postal Service Clerks has the edge on median pay

Postal Service Clerks is at $62,130, compared with $58,470 for Postal Service Mail Sorters, Processors, and Processing Machine Operators.

3

Postal Service Mail Sorters, Processors, and Processing Machine Operators has the edge on annual openings

Postal Service Mail Sorters, Processors, and Processing Machine Operators is at 7,300 annual openings, compared with 5,300 annual openings for Postal Service Clerks.

50.2/ 100

Postal Service Clerks

vs
46.5/ 100

Postal Service Mail Sorters, Processors, and Processing Machine Operators

Each available metric is ranked from 0 to 100 against the careers on ChooseField. The weighted average uses this profile: pay 30%, growth 25%, openings 30%, preparation level 15%. Missing values are not scored as zero; their weights are redistributed across available metrics. Occupation size has zero weight: employment is not accessible vacancies. Preparation categories do not measure admission difficulty or years without earnings. The score summarizes national measures; local opportunities and personal fit still need separate consideration.

Detailed evidence

Postal Service Clerks vs Postal Service Mail Sorters, Processors, and Processing Machine Operators

DimensionPostal Service ClerksPostal Service Mail Sorters, Processors, and Processing Machine Operators
Median pay (2025)$62,130$58,470
Pay percentile51.8 percentile45 percentile
Projected growth (2025–2035)-0.3%-5.3%
Annual openings (2025–2035)5,3007,300
2025 employment70,900101,200
How you qualifyNo formal educational credential; One month or less of on-the-job training, in addition to any qualifying education or licensingNo formal educational credential; One month or less of on-the-job training, in addition to any qualifying education or licensing
O*NET preparation groupJob Zone 2Job Zone 2
Related work experienceNo prior related occupation is typically required; employer requirements vary.No prior related occupation is typically required; employer requirements vary.
On-the-job trainingOne month or less of on-the-job training, in addition to any qualifying education or licensing.One month or less of on-the-job training, in addition to any qualifying education or licensing.

The table reports national benchmarks and reviewed work descriptions. It does not rate personal suitability, job security, or physical safety.

Read Postal Service Clerks briefRead Postal Service Mail Sorters, Processors, and Processing Machine Operators brief

Try another comparison

Postal Service Clerks vs Postal Service Mail Carriers

Compare pay, growth, education, and the tradeoffs that affect the decision.

Postal Service Clerks
$62,130 · -0.3% growth
Postal Service Mail Carriers
$60,550 · -0.3% growth
Compare careers →

Postal Service Mail Sorters, Processors, and Processing Machine Operators vs Postal Service Mail Carriers

Compare pay, growth, education, and the tradeoffs that affect the decision.

Postal Service Mail Sorters, Processors, and Processing Machine Operators
$58,470 · -5.3% growth
Postal Service Mail Carriers
$60,550 · -0.3% growth
Compare careers →
ChooseField compares fields using public labor-market and professional sources.