| Police department | County |
|---|---|
| Bethany Beach Police Department | Sussex |
| Blades Police Department | Sussex |
| Bridgeville Police Department | Sussex |
| Camden Police Department | Kent |
| Cheswold Police Department | Kent |
| Clayton Police Department | Kent |
| Dagsboro Police Department | Sussex |
| Delaware City Police Department | New Castle |
| Delmar Police Department | Sussex |
| Dewey Beach Police Department | Sussex |
| Dover Police Department | Kent |
| Ellendale Police Department | Sussex |
| Elsmere Police Department | New Castle |
| Felton Police Department | Kent |
| Fenwick Island Police Department | Sussex |
| Frankford Police Department | Sussex |
| Frederica Police Department | Kent |
| Georgetown Police Department | Sussex |
| Greenwood Police Department | Sussex |
| Harrington Police Department | Kent |
| Kenton Police Department | Kent |
| Laurel Police Department | Sussex |
| Lewes Police Department | Sussex |
| Middletown Police Department | New Castle |
| Milford Police Department | Kent |
| Millsboro Police Department | Sussex |
| Milton Police Department | Sussex |
| New Castle County Police Department | New Castle |
| New Castle Police Department | New Castle |
| Newark Police Department | New Castle |
| Newport Police Department | New Castle |
| Ocean View Police Department | Sussex |
| Rehoboth Beach Police Department | Sussex |
| Seaford Police Department | Sussex |
| Selbyville Police Department | Sussex |
| Smyrna Police Department | Kent |
| South Bethany Police Department | Sussex |
| Townsend Police Department | New Castle |
| Viola Police Department | Kent |
| Wilmington Police Department | New Castle |
| Wyoming Police Department | Kent |
Alphabetical.
Source: Federal Bureau of Investigation, Crime Data Explorer — law-enforcement agencies by state (API). Data captured September 30, 2026.