First-Line Supervisors of Police and Detectives Salary Guide 2025: $106,040 Median
The median salary for First-Line Supervisors of Police and Detectives is $106,040 per year, or about $51 an hour, according to the Bureau of Labor Statistics. The middle range runs from $63,350 to $165,110, meaning pay varies widely by location and experience.
How much First-Line Supervisors of Police and Detectives earn
The average (mean) annual wage is $112,190, but most supervisors fall between $63,350 (10th percentile) and $165,110 (90th percentile). The median is $106,040, which means half earn more and half less.
Pay depends on agency size, location, and union contracts. Larger metropolitan police departments and federal agencies tend to pay at the high end.
Pay by state
California tops the list with an average salary of $163,960, followed by New Jersey ($142,990), Hawaii ($140,590), Alaska ($137,320), and Washington ($136,280). The lowest-paying states are concentrated in the South: Louisiana ($70,470), Arkansas ($62,290), and Mississippi ($59,860).
Cost of living partly explains these differences—but even adjusted for living costs, California and New Jersey still offer strong premiums. Relocating can be a direct path to a higher salary.
How to become First-Line Supervisors of Police and Detective
Most first-line supervisors start as patrol officers and rise through the ranks, typically after 5–10 years of experience. A high school diploma is the minimum, but many agencies require at least an associate's or bachelor's degree in criminal justice or a related field.
You'll need to pass a civil service exam, background check, and often a psychological evaluation. Promotion usually requires a combination of seniority, exam scores, and supervisory assessment. Some agencies also require completion of a supervisory training program or a management certificate.
- Start as a police officer or detective, gain 5+ years of experience.
- Earn an associate or bachelor's degree in criminal justice or public administration (common).
- Pass promotional exams and interviews.
- Complete agency-specific leadership training.
Job outlook
Employment is projected to grow 2.9% from 2024 to 2034, about as fast as the average for all occupations. That translates to roughly 10,900 openings per year, many of which come from retirements and transfers.
Competition for supervisor spots is moderate—experienced officers with education and strong performance records have the best chances. Budget constraints in local governments can slow hiring in some areas, but public safety remains a priority.
Frequently asked questions
What is the highest-paying state for First-Line Supervisors of Police and Detectives?
California, with an average salary of $163,960.
How long does it take to become a First-Line Supervisor of Police?
Typically 5–10 years of experience as a police officer or detective, plus passing promotional exams.
Is the job growth good?
Growth is 2.9% over ten years (about average), with about 10,900 openings per year.
What education do I need?
A high school diploma is the minimum; many agencies prefer or require an associate's or bachelor's degree in criminal justice.
Salary figures are U.S. Bureau of Labor Statistics estimates (OEWS / Employment Projections). For informational purposes only; not career or financial advice. See the full First-Line Supervisors of Police and Detectives data.