Maryland Demographics
Maryland is the 18th most populous of 52 states in the United States, with 6,177,113 residents across 9,711 square miles. That is about 636 people per square mile. 86% of residents live in urban areas.
At the 2020 census
| Population | 6,177,113 |
|---|---|
| Land area | 9,711 sq mi |
| Density | 636 / sq mi |
| Urban share | 86% |
Data: 2020 Census · American Community Survey 2024
How Maryland compares to the US
We're computing this state's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Maryland
Measured from the state's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Maryland — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Counties in Maryland
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Montgomery County | 1,062,124 | 493.1 | 2,154 |
| Prince George's County | 967,201 | 482.6 | 2,004 |
| Baltimore County | 854,507 | 598.4 | 1,428 |
| Anne Arundel County | 588,256 | 414.8 | 1,418 |
| Baltimore city | 585,736 | 80.9 | 7,236 |
| Howard County | 332,317 | 250.9 | 1,324 |
| Frederick County | 271,717 | 660.6 | 411 |
| Harford County | 260,924 | 437.1 | 597 |
| Carroll County | 172,891 | 447.6 | 386 |
| Charles County | 166,617 | 457.8 | 364 |
| Washington County | 154,705 | 457.8 | 338 |
| St. Mary's County | 113,777 | 358.6 | 317 |
| Cecil County | 103,728 | 346.3 | 300 |
| Wicomico County | 103,588 | 374.4 | 277 |
| Calvert County | 92,783 | 213.2 | 435 |
| Allegany County | 68,106 | 422.2 | 161 |
| Worcester County | 52,475 | 468.4 | 112 |
| Queen Anne's County | 49,859 | 371.7 | 134 |
| Talbot County | 37,525 | 268.6 | 140 |
| Caroline County | 33,279 | 319.4 | 104 |
| Dorchester County | 32,531 | 540.8 | 60 |
| Garrett County | 28,801 | 649.1 | 44 |
| Somerset County | 24,620 | 319.7 | 77 |
| Kent County | 19,188 | 277.0 | 69 |
Largest cities in Maryland
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Baltimore, MD | 585,736 | 80.9 | 7,236 |
| Columbia, MD | 104,681 | 31.9 | 3,278 |
| Germantown, MD | 91,249 | 17.0 | 5,357 |
| Waldorf, MD | 81,410 | 36.2 | 2,246 |
| Silver Spring, MD | 81,078 | 7.9 | 10,285 |
| Frederick, MD | 78,234 | 23.9 | 3,267 |
| Ellicott City, MD | 75,947 | 30.0 | 2,531 |
| Glen Burnie, MD | 72,891 | 17.3 | 4,210 |
| Gaithersburg, MD | 69,772 | 10.3 | 6,760 |
| Bethesda, MD | 68,051 | 13.3 | 5,131 |
| Dundalk, MD | 67,779 | 13.1 | 5,179 |
| Rockville, MD | 67,165 | 13.6 | 4,937 |
Showing the 12 most populous of 536 — the rest are shown on the map.
Related places
Nearest states
About this page
This page shows demographics for a US state from the 2020 census and the American Community Survey: population, land area, density, and how the state compares to national averages for income, housing, age, and more.
Use the links below to drill into the state's counties and largest cities, or open any point of the state in the radius tool to measure the population within a distance or drive time.