Source: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer. Rankings among the 50 states.
Historical data
Pick an indicator to see its long-run evolution.
Population
1790–2024U.S. Census (decennial), 1790–2020 + estimates.
Population pyramid
Maryland's civilian population by sex and five-year age group. Choose a year to see how the age structure has changed.
Tap an age group in the pyramid to see its detail.
Under 15
1,122,239 (18.0%)
15 to 64
4,009,368 (64.3%)
65 and older
1,102,000 (17.7%)
Source: U.S. Census Bureau, SC-EST2020 and SC-EST2024 age and sex estimates (civilian population, July 1).
Age, sex and longevity
The main indicators describing Maryland's age structure, sex distribution and life expectancy.
| Median age | 39.6 years | |
| Female | 51.4% | |
| Male | 48.6% | |
| Under 18 | 21.6% | |
| 65 and older | 17.2% | |
| Life expectancy | 77.4 years |
Population, households and density
How many people and households live in Maryland, how concentrated they are and how the population is changing.
| Total population | 6.18 M | 19th in the U.S. |
| Density | 247 /km² | 5th in the U.S. |
| Households | 2.32 M | |
| Urban population | 87.2% | |
| Largest metro | Baltimore–Columbia–Towson (≈ 2.83 M) | |
| Growth | +0.2%/yr | 2020–2024 |
Race, ethnicity and origin
Maryland is one of the most diverse states in the country and has no racial majority in several of its largest counties. It has the third-largest Black population share in the U.S. and fast-growing Asian and Hispanic communities in the Washington suburbs.
| White (non-Hispanic) | 47.2% | |
| Black or African American | 29.5% | 3rd highest in the U.S. |
| Hispanic or Latino | 12.0% | ≈ 745,000 |
| Asian | 6.9% | |
| Two or more races | 3.6% | |
| Native American | 0.4% | |
| Salvadoran origin | ≈ 3.6% | Largest Hispanic subgroup |
| Indian origin | ≈ 1.6% | Largest Asian subgroup |
| Nigerian community | ≈ 45,000 | One of the largest in the U.S. |