Share of the population by age and sex, five-year groups

Population of Maine, 2010–2025 · click to pick a year
Estimates up to 2019 are built on the 2010 Census, those from 2020 on the 2020 Census. A line that steps up or down between 2019 and 2020 reflects this re-basing, not a sudden change in population.

Year

-5 -1   2018  +1 +5

1,340,123 people lived in Maine on July 1, 2018: the 42nd-largest population among the 50 states and the District of Columbia. The median age was 44.9 years (United States: 38.2); more residents are 65 or older (20.6%) than under 15 (15.3%): an ageing, top-heavy pyramid. There were 95.9 men for every 100 women. Since 2010 the population has grown by 0.9%. Source: U.S. Census Bureau, Population Estimates Program, Vintage 2020 estimates (resident population on July 1; public domain). Median age, shares, dependency ratios and rankings are calculated by PopulationPyramid.net from these estimates; the Census Bureau does not endorse this site.

Key indicators, 2018
Population
1,340,123
Rank by population
42nd of 51
Median age
44.9
Men per 100 women
95.9
Under 15
15.3%
15–64
64.1%
65 and over
20.6%
Child dependency
23.9
Old-age dependency
32.2
Change since 2010
+0.9%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2018
AgeMenWomenTotalShare
0-432,78131,19363,9744.8%
5-934,67132,95167,6225.0%
10-1437,55735,73973,2965.5%
15-1940,26637,84478,1105.8%
20-2438,65636,97675,6325.6%
25-2940,88139,89180,7726.0%
30-3439,96339,82379,7866.0%
35-3938,51839,73778,2555.8%
40-4436,62437,63074,2545.5%
45-4942,02243,65185,6736.4%
50-5446,05948,35594,4147.0%
55-5951,94155,207107,1488.0%
60-6450,41054,410104,8207.8%
65-6943,92647,87291,7986.8%
70-7434,55037,13471,6845.3%
75-7921,97825,75047,7283.6%
80-8413,44018,01831,4582.3%
85+11,96021,73933,6992.5%
How Maine compares with similar-sized states, 2018
RankStateResidentsRelative
39 Idaho 1,752,074
40 Hawaii 1,423,102
41 New Hampshire 1,355,064
42 Maine 1,340,123
43 Montana 1,061,818
44 Rhode Island 1,059,338
45 Delaware 966,985
Frequently asked questions about Maine's population
What is the population of Maine?
Maine had an estimated 1,340,123 residents on July 1, 2018, according to the U.S. Census Bureau, Population Estimates Program. That ranks 42nd among the 51 states and the District of Columbia.
What is the median age in Maine?
The median age in Maine was 44.9 years in 2018, the 1st oldest of the 51 states and DC. That is 6.7 years older than the national median of 38.2.
How many people in Maine are 65 or older?
About 276,367 residents of Maine (20.6%) were 65 or older in 2018, against 15.3% under 15 and 64.1% aged 15 to 64.
What does the population pyramid of Maine show?
In 2018, Maine: more residents are 65 or older (20.6%) than under 15 (15.3%): an ageing, top-heavy pyramid. There were 95.9 men for every 100 women.
How fast is the population of Maine changing?
The population of Maine grew by 0.9% between 2010 and 2018, and by 0.3% in the last year.
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