IQ Data5 min read

What IQ Do You Need to Be a Police Officer?

The only profession here where scoring too high has been grounds for rejection, and a court upheld it.

No police force sets an IQ requirement. Many use cognitive aptitude tests in recruitment, and the occupational data places police work in a band overlapping skilled trades and public service roles, broadly 100 to 110.

But policing is the one profession in this series where the interesting question is not how high you need to score. It is whether you can score too high.

The man who was too smart to be a cop

In March 1996, Robert Jordan, a 49-year-old college graduate, sat a written screening test alongside around 500 other applicants for the police force in New London, Connecticut. The battery included the Wonderlic Personnel Test.

He scored 33, which the test publisher equates to an IQ of roughly 125. He was not invited to interview.

The reason was that New London only interviewed candidates scoring between 20 and 27. The force's stated rationale was turnover: they believed candidates who scored too high would become bored with police work and leave shortly after receiving expensive training.

Jordan sued, arguing the policy was irrational discrimination. In August 2000 the Second Circuit upheld the rejection. The reasoning is the part worth reading twice: the court found that even without strong statistical evidence linking high Wonderlic scores to turnover, it was enough that the city believed such a link existed. Because the cut-off was applied uniformly to everyone, it did not need to be correct. It only needed to be rational.

So the honest answer to whether you can be too smart for a job is: at least once, in one American police department, with a federal appeals court’s blessing.

What forces actually test

Cognitive testing in police recruitment is common, though rarely labelled as IQ testing. The Wonderlic appears in some US departments. UK forces run their own national assessment process.

What these typically cover:

  • Verbal and numerical reasoning, at a level closer to workplace aptitude than abstract cognition
  • Situational judgement, how you would respond to a described incident
  • Written communication, since statements and reports are evidence and get read out in court

Situational judgement carries far more weight here than it does in most selection processes, which reflects the job. Abstract reasoning is a smaller component than candidates expect.

Curious where you sit? Our 50-question assessment reports verbal, numerical, spatial and memory reasoning separately. It is not a police recruitment test and will not predict one.

What policing demands cognitively

The band figure understates the job for much the same reason it does in nursing. Police work involves a large body of retained legal and procedural knowledge, accurate written recording under scrutiny, and rapid judgement in conditions of stress and incomplete information.

Detective work adds sustained analytical reasoning, holding a case structure in mind across months and spotting the inconsistency in an account. That is closer to what a reasoning test measures, which is probably why detective roles are the ones people search about most.

What none of it resembles is a timed abstract puzzle. The hardest cognitive demand in frontline policing is judgement under pressure with people who do not want you there, and no standardised test measures that well.

Frequently asked questions

What IQ do you need to be a police officer?

No force sets an IQ requirement, though many use cognitive aptitude tests in recruitment, and policing is the one profession with a documented case of an applicant being rejected for scoring too high. Occupational data places police work in a band overlapping skilled trades and public service roles, broadly 100 to 110.

Can you be too smart to be a police officer?

In at least one documented case, yes. In 1996 Robert Jordan scored 33 on the Wonderlic Personnel Test, equivalent to an IQ of about 125, and was not interviewed by New London police in Connecticut because the force only interviewed candidates scoring 20 to 27. He sued, and in August 2000 the Second Circuit upheld the rejection.

Why would a police force reject someone for a high score?

The stated reasoning was turnover. The force believed candidates scoring too high would become bored with police work and leave soon after receiving costly training. The court found that even without strong statistical support for that link, it was enough that the city believed it, since the policy was applied uniformly and only had to be rational rather than correct.

Do police forces use IQ tests?

Many use cognitive aptitude tests, often not called IQ tests. The Wonderlic Personnel Test appears in some US recruitment, and UK forces use their own national assessment process. These typically measure verbal and numerical reasoning, situational judgement and written communication rather than general cognitive ability in the clinical sense.

What does police work actually demand cognitively?

Rapid situational judgement under stress, a large body of retained procedural and legal knowledge, accurate written recording, and sustained communication with people who are frightened, hostile or distressed. Situational judgement and communication carry more weight in the work than abstract reasoning does, which is why selection tends to test them directly.

The bottom line

No force requires an IQ score, and the occupational band sits around 100 to 110. What makes policing unusual is the Jordan case: a documented, court-upheld rejection for scoring too high, on the theory that clever recruits get bored and leave. The court did not require the theory to be true, only rational and uniformly applied.

Find out where you stand

Take our 50-question test and get your score and percentile with a breakdown across four cognitive domains.

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Sources

  • Jordan v. City of New London, United States Court of Appeals for the Second Circuit, 23 August 2000.
  • Wonderlic Inc. Personnel Test and Scholastic Level Exam documentation.
  • Gottfredson, L. S. (1997). Why g matters: The complexity of everyday life. Intelligence, 24(1), 79-132.
  • Hauser, R. M. (2002). Meritocracy, cognitive ability, and the sources of occupational success. CDE Working Paper 98-07, University of Wisconsin-Madison.