Maryland Counties by Land Area
Want to know about the largest to smallest counties in Maryland, USA in terms of total land area? Check this resource Maryland counties by land area to discover all the details regarding county map (boundary), and nearby counties. On the other hand, check Maryland counties by population and Maryland cities by population to know more about city and county based demographic details.
What is the largest county in Maryland by land area?
Frederick County is the largest county in Maryland spanning 660.62 square miles, with an additional 6.81 square miles of water area. Following Frederick County, Garrett County ranks as the second largest in terms of land area, covering 649.08 square miles, while Baltimore County secures the position as the third largest county in Maryland.
What is the smallest county by land area in Maryland?
Baltimore city is the smallest in Maryland by total land area, covers about 80.95 square miles.
What is the largest county by population in Maryland?
Montgomery County in Maryland, USA, stands as the most populous county having 1,062,061 residents as per the 2022 census data.
What is the smallest county by population in Maryland?
Kent County is the smallest in Maryland by total population, having 19,198 residents as per the 2022 census data.
| Rank | County in Maryland | Land Area square miles | Water Area square miles | Total Area square miles |
|---|---|---|---|---|
| 1 | Frederick County | 661 | 7 | 667 |
| 2 | Garrett County | 649 | 9 | 658 |
| 3 | Baltimore County | 598 | 83 | 682 |
| 4 | Dorchester County | 541 | 442 | 983 |
| 5 | Montgomery County | 493 | 14 | 507 |
| 6 | Prince George | 483 | 16 | 499 |
| 7 | Worcester County | 468 | 226 | 695 |
| 8 | Charles County | 458 | 185 | 643 |
| 9 | Washington County | 458 | 10 | 467 |
| 10 | Carroll County | 448 | 5 | 453 |
| 11 | Harford County | 437 | 90 | 527 |
| 12 | Allegany County | 422 | 6 | 428 |
| 13 | Anne Arundel County | 415 | 173 | 588 |
| 14 | Wicomico County | 374 | 26 | 400 |
| 15 | Queen Anne | 372 | 139 | 511 |
| 16 | St. Mary | 359 | 406 | 764 |
| 17 | Cecil County | 346 | 72 | 418 |
| 18 | Somerset County | 320 | 291 | 610 |
| 19 | Caroline County | 319 | 6 | 326 |
| 20 | Kent County | 277 | 136 | 413 |
| 21 | Talbot County | 269 | 208 | 477 |
| 22 | Howard County | 251 | 2 | 253 |
| 23 | Calvert County | 213 | 132 | 345 |
| 24 | Baltimore city | 81 | 11 | 92 |