10 Largest Munincipal Police Departments

United States

Updated - July 13, 2025

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This list contains the 10 largest municipal law enforcement agencies in the United States, ordered by the number of sworn officers. The list includes agencies from various states and territories, providing a snapshot of the largest police departments across the country. These agencies play a crucial role in maintaining public safety and enforcing laws within their respective jurisdictions.

-Clicking the agency's name takes you to their homepage-

Rank Agency
(Click Me)
State
(or territory)
# of Officers
1 New York Police Department New York 33,475
2 Chicago Police Department Illinois 11,580
3 Los Angeles Police Department California 8,784
4 Houston Police Department Texas 5,195
5 Philadelphia Police Department Pennsylvania 5,021
6 Metropolitan Police Department of the District of Colombia D.C 3,975
7 Las Vegas Metropolitan Police Department Nevada 3,398
8 Dallas Police Department Texas 3,168
9 Phoenix Police Department Arizona 2,563
10 Nassau County Police Department New York 2,508