Largest by population in Maryland
Maryland counties and cities ranked by population.
This page ranks the counties and cities of Maryland by population — which have the most people, according to the US Census Bureau's American Community Survey 5-year estimates.
Among counties, Montgomery County leads at 1,057,586.
Among cities & places, Baltimore leads at 577,193.
Counties
| # | Name | Population | |
|---|---|---|---|
| 1 | Montgomery County | 1,057,586 | |
| 2 | Prince George's County | 955,584 | |
| 3 | Baltimore County | 849,586 | |
| 4 | Anne Arundel County | 590,936 | |
| 5 | Baltimore city | 577,193 | |
| 6 | Howard County | 333,916 | |
| 7 | Frederick County | 280,341 | |
| 8 | Harford County | 262,509 | |
| 9 | Carroll County | 174,318 | |
| 10 | Charles County | 168,710 | |
| 11 | Washington County | 155,033 | |
| 12 | St. Mary's County | 114,372 | |
| 13 | Cecil County | 104,366 | |
| 14 | Wicomico County | 104,117 | |
| 15 | Calvert County | 93,791 | |
| 16 | Allegany County | 67,762 | |
| 17 | Worcester County | 53,279 | |
| 18 | Queen Anne's County | 50,951 | |
| 19 | Talbot County | 37,707 | |
| 20 | Caroline County | 33,406 | |
| 21 | Dorchester County | 32,612 | |
| 22 | Garrett County | 28,713 | |
| 23 | Somerset County | 24,685 | |
| 24 | Kent County | 19,265 |
Cities & places
Top 100.Nationwide
1Other rankings in Maryland
20- Most densely populated in Maryland
- Highest median household income in Maryland
- Highest median home value in Maryland
- Most affordable home values in Maryland
- Highest median gross rent in Maryland
- Cheapest median gross rent in Maryland
- Oldest by median age in Maryland
- Youngest by median age in Maryland
- Most college-educated in Maryland
- Highest poverty rate in Maryland
- Lowest poverty rate in Maryland
- Highest homeownership rate in Maryland
- Lowest homeownership rate in Maryland
- Longest commutes in Maryland
- Shortest commutes in Maryland
- Largest households in Maryland
- Newest housing in Maryland
- Oldest housing in Maryland
- Fastest-growing (2019–2023) in Maryland
- Fastest-shrinking (2019–2023) in Maryland