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
1850–2024U.S. Census (decennial), 1850–2020 + estimates.
Population pyramid
Maine'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
199,705 (14.2%)
15 to 64
874,202 (62.3%)
65 and older
330,265 (23.5%)
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 Maine's age structure, sex distribution and life expectancy.
| Median age | 44.8 years | Oldest in the U.S. |
| Female | 50.7% | |
| Male | 49.3% | |
| Under 18 | 18.4% | |
| 65 and older | 22.6% | Highest in the U.S. |
| Life expectancy | 78.0 years |
Population, households and density
How many people and households live in Maine, how concentrated they are and how the population is changing.
| Total population | 1.40 M | 42nd in the U.S. |
| Density | 17 /km² | |
| Households | 600,000 | |
| Largest metro | Portland–South Portland (≈ 561,000) | |
| Growth | +0.5%/yr | 2020–2024, driven by in-migration |
Race, ethnicity and origin
Maine is the least racially diverse state in the country, though Portland and Lewiston have become resettlement hubs for African immigrants, and the state is home to four federally recognized Wabanaki tribes.
| White (non-Hispanic) | 90.0% | |
| Hispanic or Latino | 2.2% | ≈ 31,000 |
| Black or African American | 2.0% | |
| Two or more races | 3.3% | |
| Asian | 1.4% | |
| Native American | 0.7% | Wabanaki nations |
| French / French-Canadian ancestry | ≈ 20% | Highest in the U.S. |
| Somali community | ≈ 10,000 | Lewiston & Portland |