IQ Required for Janitor / Custodian
Janitor / Custodian professionals typically score between 82 and 102 on standardized IQ tests, with an average of 92 (Average).
92
Average
82–102
Typical range
$33,550
Per year
3%
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Cognitive Domain Emphasis
Different professions demand different cognitive strengths. Here is how the cognitive demands break down for Janitor / Custodian professionals.
About Janitor / Custodian
Janitors and custodians maintain cleanliness and basic maintenance in buildings and facilities. The role requires reliable organizational skills, the spatial awareness to manage large areas efficiently, and sufficient communication ability to coordinate with building occupants and management.
The cognitive profile for this role emphasizes verbal comprehension (30% of the cognitive demand) and mathematical ability (30%). With an average IQ of 92, Janitor / Custodian professionals fall in the average range of cognitive ability, reflecting the intellectual demands of the role. See what this score means with our IQ Percentile Calculator.
Salary Breakdown
Compensation for Janitor / Custodian professionals varies significantly with experience, location, and specialization.
Entry Level (10th %ile)
$24,500
Median Salary
$33,550
Experienced (90th %ile)
$46,000
Wondering if you’d make the cut?
These are the field’s numbers — the more useful question is where you stand relative to them, and why no cutoff exists.
Am I smart enough to be a Janitor / Custodian?Related Professions
Explore other careers with similar cognitive profiles and IQ requirements.
Janitor / Custodian is one of 147 professions ranked by the reasoning a job actually demands — O*NET ability ratings joined to BLS median wages, sortable by either.
How Our IQ Test Maps to This Career
Our comprehensive IQ assessment measures five cognitive domains, including the ones that most define success in Janitor / Custodian roles: Verbal Comprehension (30%), Mathematical Ability (30%), Pattern Recognition (25%), Logical Reasoning (15%).
By taking our assessment, you will receive domain-specific scores that reveal how your cognitive strengths align with the demands of this profession. Whether you are considering a career as a Janitor / Custodian or looking to understand your aptitude for the field, your results provide actionable insight into your fit.
Frequently Asked Questions
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Career Resources
Where to go next, whether you want the wider picture or your own number.
- IQ AssessmentTake the full 50-question assessment. No sign-up required to start.
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- Career Advice ArticlesUsing cognitive strengths in a real job search.
- IQ Comparison ToolCompare a score against professions, college majors, countries and famous people.
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