Counties in Maryland
Each county page says how cases move there under Maryland's rules, and lists the police agencies that serve it.
24 counties, largest first
- Montgomery County1,074,582 people · 8 agencies
- Prince George's County970,374 people · 33 agencies
- Baltimore County847,650 people · 6 agencies
- Anne Arundel County603,380 people · 7 agencies
- Baltimore city569,997 people · 1 agencies
- Howard County339,183 people · 3 agencies
- Frederick County302,883 people · 8 agencies
- Harford County266,446 people · 5 agencies
- Carroll County176,677 people · 11 agencies
- Charles County176,593 people · 3 agencies
- Washington County157,731 people · 8 agencies
- St. Mary's County116,692 people · 4 agencies
- Cecil County107,131 people · 10 agencies
- Wicomico County106,899 people · 7 agencies
- Calvert County94,484 people · 4 agencies
- Allegany County66,848 people · 11 agencies
- Worcester County54,459 people · 7 agencies
- Queen Anne's County54,448 people · 3 agencies
- Talbot County38,238 people · 6 agencies
- Caroline County34,116 people · 9 agencies
- Dorchester County33,628 people · 4 agencies
- Garrett County28,370 people · 4 agencies
- Somerset County24,973 people · 5 agencies
- Kent County19,565 people · 4 agencies
Population: Census Bureau county population estimates, Vintage 2025 (cc-est2025-alldata), July 1, 2025.