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IQ Required for Janitor / Custodian

Janitor / Custodian professionals typically score between 82 and 102 on standardized IQ tests, with an average of 92 (Average).

Average IQ

92

Average

IQ Range

82–102

Typical range

Median Salary

$33,550

Per year

Growth Outlook

3%

Stable

Cognitive Domain Emphasis

Different professions demand different cognitive strengths. Here is how the cognitive demands break down for Janitor / Custodian professionals.

Verbal Comprehension30%
Mathematical Ability30%
Pattern Recognition25%
Logical Reasoning15%

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

Related Professions

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How Our IQ Test Maps to This Career

Our comprehensive IQ assessment measures the same four cognitive domains that 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.

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Frequently Asked Questions

What is the average IQ of a Janitor / Custodian?
The average IQ for Janitor / Custodian professionals is 92, which falls in the "Average" range. Individual scores typically range from 82 to 102, reflecting the diversity of cognitive profiles within the field.
What cognitive skills are most important for Janitor / Custodian?
Verbal Comprehension is the most emphasized cognitive domain for Janitor / Custodian professionals, accounting for 30% of the cognitive profile. This is followed by the other domains in varying proportions that reflect the unique intellectual demands of the role.
How much does a Janitor / Custodian earn?
The median salary for Janitor / Custodian professionals is $33,550 per year. Entry-level positions (10th percentile) earn around $24,500, while experienced professionals (90th percentile) can earn up to $46,000.
What is the job outlook for Janitor / Custodian?
The job outlook for Janitor / Custodian is stable with a projected growth rate of 3%. This is roughly in line with the national average.
Do I need a high IQ to become a Janitor / Custodian?
No. While the average IQ for Janitor / Custodian professionals is 92, IQ is only one factor in career success. Motivation, education, relevant skills, and work experience matter significantly. Many successful Janitor / Custodian professionals have IQ scores across the full 82–102 range and beyond. Use these figures as context for cognitive demands, not as a prerequisite.

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See how your IQ compares to Janitor / Custodian professionals

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