Counties of Maryland
Maryland has 24 counties, home to 6,265,347 people across 25,151 km². Each county below opens its full profile — Census Bureau and American Community Survey figures, and how it ranks against the rest of Maryland and the country.
- Counties
- 24
- Population
- 6,265,347
- 2025 estimate
- #19 of 51 states
- Area
- 25,151 km²
- #42 of 51 states
- Density
- 249
- per km²
- #6 of 51 states
How Maryland's counties spread
Across Maryland's counties: the middle value, where the state ranks among all states (1 = highest median), and which county is highest and lowest. Medians rather than totals, since most of these are rates that cannot be added up.
Amenities & Infrastructure
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Households with Broadband2024 | 91.3% | 9 / 50 | Howard County96.6% | Garrett County83.0% |
| Median Gross Rent2024 | $1,402 | 6 / 50 | Howard County$2,099 | Garrett County$765 |
| Median Home Value2024 | $380,550 | 10 / 50 | Montgomery County$640,300 | Allegany County$154,900 |
| Owner-Occupied Homes2024 | 73.2% | 31 / 50 | Calvert County87.2% | Baltimore city47.5% |
| Vacant Homes2024 | 8.0% | 45 / 50 | Worcester County57.6% | Howard County3.4% |
Demography
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Aged 65 and Over2024 | 17.4% | 47 / 50 | Talbot County29.6% | Charles County13.7% |
| American Indian & Alaska Native2024 | 0.1% | 29 / 50 | Garrett County0.2% | Kent County0.0% |
| Asian, non-Hispanic2024 | 2.1% | 9 / 50 | Howard County19.2% | Garrett County0.5% |
| Average Household Size2024people | 2.6 | 9 / 50 | Calvert County2.8 | Kent County2.1 |
| Black, non-Hispanic2024 | 14.1% | 8 / 50 | Baltimore city58.5% | Garrett County0.6% |
| Foreign-Born2024 | 6.0% | 14 / 50 | Montgomery County33.6% | Garrett County1.4% |
| Hispanic or Latino2024 | 6.6% | 21 / 50 | Prince George's County22.5% | Garrett County1.4% |
| Median Age2024years | 40.4 | 38 / 50 | Talbot County51.2 | Baltimore city36.2 |
| Sex Ratio2024per 1,000 males | 1,031 | 10 / 50 | Dorchester County1,170 | Somerset County800 |
| Speak a Language Other Than English2024 | 8.6% | 17 / 50 | Montgomery County43.0% | Allegany County3.2% |
| Under 182024 | 22.1% | 20 / 50 | Charles County23.9% | Kent County15.5% |
| Veterans2024 | 7.7% | 15 / 50 | St. Mary's County14.4% | Montgomery County4.2% |
| White, non-Hispanic2024 | 70.9% | 32 / 50 | Garrett County94.7% | Prince George's County10.8% |
Economy
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Below Poverty Line2024 | 9.8% | 43 / 50 | Baltimore city19.7% | Calvert County3.9% |
| Households on SNAP2024 | 11.3% | 28 / 50 | Somerset County24.9% | Calvert County5.1% |
| Income Inequality2024index | 0.433 | 40 / 50 | Baltimore city0.508 | Calvert County0.383 |
| Median Household Income2024 | $91,888 | 5 / 50 | Howard County$149,763 | Allegany County$59,603 |
| Per Capita Income2024 | $50,092 | 5 / 50 | Montgomery County$67,571 | Somerset County$28,462 |
| Unemployment Rate2024 | 4.6% | 30 / 50 | Somerset County7.5% | Calvert County2.7% |
Education
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Bachelor's Degree or Higher2024 | 36.6% | 7 / 50 | Howard County64.5% | Caroline County16.2% |
| High School or Higher2024 | 91.9% | 23 / 50 | Carroll County95.3% | Caroline County83.8% |
Health Coverage
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| No Health Insurance2024 | 4.8% | 42 / 50 | Prince George's County11.4% | Carroll County2.9% |
| With a Disability2024 | 12.3% | 48 / 50 | Allegany County21.1% | Howard County8.7% |
Population & Density
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Population2025 | 111,912 | 10 / 50 | Montgomery County1,074,582 | Kent County19,565 |
| Population Density2025/km² | 130 | 5 / 50 | Baltimore city2,719 | Garrett County17 |
Work & Commute
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Commute by Public Transit2024 | 0.8% | 10 / 50 | Baltimore city10.3% | Dorchester County0.0% |
| Households with No Vehicle2024 | 5.7% | 22 / 50 | Baltimore city26.7% | Calvert County3.0% |
| Mean Commute Time2024minutes | 28.9 | 4 / 50 | Charles County41.4 | Allegany County22.7 |
| Work from Home2024 | 15.1% | 7 / 50 | Montgomery County28.3% | Caroline County6.9% |
All counties
| County | Population 2025 | Area | Median income |
|---|---|---|---|
| Allegany County | 66,848 | 1,093 km² | $59,603 |
| Anne Arundel County | 603,380 | 1,074 km² | $124,911 |
| Baltimore County | 847,650 | 1,550 km² | $91,768 |
| Baltimore city | 569,997 | 210 km² | $62,177 |
| Calvert County | 94,484 | 552 km² | $133,922 |
| Caroline County | 34,116 | 827 km² | $68,457 |
| Carroll County | 176,677 | 1,159 km² | $118,211 |
| Cecil County | 107,131 | 897 km² | $92,007 |
| Charles County | 176,593 | 1,186 km² | $122,816 |
| Dorchester County | 33,628 | 1,401 km² | $61,839 |
| Frederick County | 302,883 | 1,711 km² | $122,002 |
| Garrett County | 28,370 | 1,681 km² | $67,688 |
| Harford County | 266,446 | 1,132 km² | $112,265 |
| Howard County | 339,183 | 650 km² | $149,763 |
| Kent County | 19,565 | 717 km² | $80,147 |
| Montgomery County | 1,074,582 | 1,277 km² | $132,450 |
| Prince George's County | 970,374 | 1,250 km² | $101,798 |
| Queen Anne's County | 54,448 | 963 km² | $112,826 |
| Somerset County | 24,973 | 828 km² | $64,943 |
| St. Mary's County | 116,692 | 929 km² | $119,446 |
| Talbot County | 38,238 | 696 km² | $84,811 |
| Washington County | 157,731 | 1,186 km² | $77,747 |
| Wicomico County | 106,899 | 970 km² | $76,210 |
| Worcester County | 54,459 | 1,213 km² | $81,745 |
Compare Maryland's counties on a map, add layers and run a scatter — open the atlas, or browse all 3,144 US counties or all states.