# Counties in Maryland by population, 2025

All 24 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
- Source: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Retrieved: 2026-10-08
- Citation: U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.
- Web page: https://invokely.ai/rankings/population/maryland-counties
- CSV: https://invokely.ai/download/rankings/population/maryland-counties.csv

| Rank | Place | persons |
|---:|---|---:|
| 1 | Montgomery County | 1,074,582 |
| 2 | Prince George's County | 970,374 |
| 3 | Baltimore County | 847,650 |
| 4 | Anne Arundel County | 603,380 |
| 5 | Baltimore city | 569,997 |
| 6 | Howard County | 339,183 |
| 7 | Frederick County | 302,883 |
| 8 | Harford County | 266,446 |
| 9 | Carroll County | 176,677 |
| 10 | Charles County | 176,593 |
| 11 | Washington County | 157,731 |
| 12 | St. Mary's County | 116,692 |
| 13 | Cecil County | 107,131 |
| 14 | Wicomico County | 106,899 |
| 15 | Calvert County | 94,484 |
| 16 | Allegany County | 66,848 |
| 17 | Worcester County | 54,459 |
| 18 | Queen Anne's County | 54,448 |
| 19 | Talbot County | 38,238 |
| 20 | Caroline County | 34,116 |
| 21 | Dorchester County | 33,628 |
| 22 | Garrett County | 28,370 |
| 23 | Somerset County | 24,973 |
| 24 | Kent County | 19,565 |