Blank map of Maryland by county
All 24 counties of Maryland, ready to print on Letter, Tabloid, A4 or A3, or to download as PNG and SVG. Free, no sign-up.
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Mapsfera · data US Census Bureau
Maryland on the map
Maryland has 23 counties and Baltimore City; only 12 states have fewer. The largest is Frederick, with 661 sq mi of land, and the smallest is Baltimore (city), with 81 sq mi: Frederick is about 8 times bigger.
The state capital, Annapolis, is in Anne Arundel County. The capital version marks it on the map.
Montgomery County is the most populous, with 1,074,582 people in 2025, or 17% of the state. The least populous is Kent, with 19,565. Since 2020, Frederick has grown the fastest (+11.5%) and Baltimore (city) has lost the most (−2.7%).
Baltimore City is an independent city: it belongs to no county, and the Census counts it as a county equivalent.
What each county borders
Anne Arundel borders the most counties in the state: 5 (Baltimore, Calvert, Howard, Prince George's, and Baltimore (city)).
18 counties touch another state. 8 border Pennsylvania: Allegany, Baltimore, Carroll, Cecil, Frederick, Garrett, Harford, and Washington. 7 border Delaware: Caroline, Cecil, Dorchester, Kent, Queen Anne's, Wicomico, and Worcester. 7 border Virginia: Charles, Frederick, Montgomery, Prince George's, Somerset, Washington, and Worcester. 3 border West Virginia: Allegany, Garrett, and Washington. 2 border Washington, D.C.: Montgomery and Prince George's.
15 counties are on the coast. 1 county is fully inland, with no coast and no border with another state or country.
Number key
Numbers follow alphabetical order, from 1 (Allegany) to 24 (Worcester). Area is land area, without lakes or sea, and population is the Census estimate for July 1, 2025; “Borders” counts neighboring counties in the same state.
| No. | County | Land area | Population (2025) | Borders |
|---|---|---|---|---|
| 1 | Allegany | 422 sq mi | 66,848 | 2 |
| 2 | Anne Arundel | 415 sq mi | 603,380 | 5 |
| 3 | Baltimore | 598 sq mi | 847,650 | 5 |
| 4 | Baltimore (city) | 81 sq mi | 569,997 | 2 |
| 5 | Calvert | 213 sq mi | 94,484 | 4 |
| 6 | Caroline | 319 sq mi | 34,116 | 3 |
| 7 | Carroll | 448 sq mi | 176,677 | 3 |
| 8 | Cecil | 346 sq mi | 107,131 | 2 |
| 9 | Charles | 458 sq mi | 176,593 | 3 |
| 10 | Dorchester | 541 sq mi | 33,628 | 3 |
| 11 | Frederick | 661 sq mi | 302,883 | 3 |
| 12 | Garrett | 649 sq mi | 28,370 | 1 |
| 13 | Harford | 437 sq mi | 266,446 | 2 |
| 14 | Howard | 251 sq mi | 339,183 | 5 |
| 15 | Kent | 277 sq mi | 19,565 | 2 |
| 16 | Montgomery | 493 sq mi | 1,074,582 | 3 |
| 17 | Prince George's | 483 sq mi | 970,374 | 5 |
| 18 | Queen Anne's | 372 sq mi | 54,448 | 3 |
| 19 | Somerset | 320 sq mi | 24,973 | 2 |
| 20 | St. Mary's | 359 sq mi | 116,692 | 2 |
| 21 | Talbot | 269 sq mi | 38,238 | 3 |
| 22 | Washington | 458 sq mi | 157,731 | 2 |
| 23 | Wicomico | 374 sq mi | 106,899 | 3 |
| 24 | Worcester | 468 sq mi | 54,459 | 2 |
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Frequently asked questions
How many counties does Maryland have?
23 counties and Baltimore City, 24 in all. Only 12 states have fewer.
What is the largest county in Maryland?
Frederick, with 661 sq mi of land. The smallest is Baltimore (city), with 81 sq mi.
What is the most populous county in Maryland?
Montgomery County, with an estimated 1,074,582 people in 2025, or 17% of the state.
What county is Annapolis in?
The state capital, Annapolis, is in Anne Arundel County.
Can I use it in class?
Yes, it’s free. Print it, copy it and hand it out as many times as you like. If you post it on a blog or a class website, credit “Mapsfera · data US Census Bureau”.
How do I print it on US Letter paper?
Choose Letter in “Paper size” and click “Download PDF”. In the print window, pick Letter paper and 100% scale (“Actual size”). For a bigger map, choose Tabloid (11 × 17 in) or A3.
What order are the numbers in?
Alphabetical, from 1 to the last one. That makes the key easy to follow when you grade, and it’s the same key the worksheet’s answer page uses.
Sources
- Boundaries: U.S. Census Bureau, Cartographic Boundary Files 2025, counties at 1:500,000 (public domain)
- Land and water area: U.S. Census Bureau (TIGER/Line and 2025 Gazetteer); population: Vintage 2025 estimates (July 1, 2025)
- State capital: Natural Earth, Populated Places (public domain); which counties it spans, Census places
- Neighbors, coastline and borders: calculated from those boundaries (and checked against the Census county adjacency file)