| State | Police departments |
|---|---|
| Pennsylvania | 912 |
| Texas | 780 |
| Illinois | 722 |
| Ohio | 701 |
| New Jersey | 488 |
| California | 464 |
| Michigan | 439 |
| Missouri | 439 |
| New York | 422 |
| Wisconsin | 366 |
| Georgia | 356 |
| North Carolina | 338 |
| Massachusetts | 331 |
| Oklahoma | 318 |
| Alabama | 314 |
| Florida | 301 |
| Minnesota | 281 |
| Tennessee | 249 |
| Kansas | 247 |
| Kentucky | 235 |
| Indiana | 233 |
| Arkansas | 225 |
| Washington | 191 |
| New Hampshire | 190 |
| South Carolina | 184 |
| Iowa | 169 |
| Mississippi | 167 |
| Colorado | 158 |
| Virginia | 154 |
| West Virginia | 150 |
| Louisiana | 143 |
| Oregon | 114 |
| Maine | 103 |
| Connecticut | 95 |
| Utah | 92 |
| Nebraska | 90 |
| Maryland | 81 |
| Arizona | 77 |
| New Mexico | 74 |
| Idaho | 62 |
| South Dakota | 62 |
| Vermont | 53 |
| Montana | 45 |
| North Dakota | 43 |
| Delaware | 41 |
| Wyoming | 41 |
| Rhode Island | 38 |
| Alaska | 31 |
| Nevada | 14 |
| Hawaii | 4 |
| District of Columbia | 1 |
Source: Federal Bureau of Investigation, Crime Data Explorer — law-enforcement agencies by state (API). Data captured September 30, 2026.