Demographics

How Maine's population is changing. The state reached about 1,405,012 people in 2024 — but deaths now outnumber births, so its growth comes entirely from people moving in.

1,405,012

people, 2024

Population

Total population

Statewide, 2010–2024

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Total population — data table
Year	Population
2,010	1,327,651
2,011	1,328,473
2,012	1,328,094
2,013	1,328,543
2,014	1,331,217
2,015	1,329,098
2,016	1,332,348
2,017	1,335,743
2,018	1,340,123
2,019	1,345,770
2,020	1,364,571
2,021	1,378,931
2,022	1,390,922
2,023	1,399,646
2,024	1,405,012

Source: U.S. Census Bureau, Population Estimates Program

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Age

Half of all Mainers were older than 44.8 in 2024 — among the oldest median ages in the country.

Age structure

Population by age group, 2024

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Age structure — data table
Age group	Population
0–9	128,447
10–19	152,934
20–29	157,595
30–39	180,629
40–49	165,580
50–59	180,266
60–69	213,218
70–79	154,103
80+	71,400

Source: U.S. Census Bureau, Population Estimates Program

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Children vs. seniors

Share of the population under 18 and 65 or older

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Children vs. seniors — data table
Year	Under18	Plus65
2,020	18.6	21.3
2,021	18.3	21.8
2,022	18.1	22.4
2,023	17.8	23
2,024	17.6	23.5

Source: U.S. Census Bureau, Population Estimates Program

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Education & origins

Educational attainment

Share of adults 25+ with at least a high-school diploma and at least a bachelor's degree

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Educational attainment — data table
Year	Hs	Ba
2,010	89	25.8
2,011	89.5	27.4
2,012	90.4	26.5
2,013	90.7	26.7
2,014	90.4	28.1
2,015	91.7	30.1
2,016	92.3	30.1
2,017	92.3	32.1
2,018	93	31.5
2,019	93.2	33.2
2,021	94.5	36
2,022	94.6	36.1
2,023	94.9	37
2,024	94.8	37.1

Source: U.S. Census Bureau, ACS 1-year

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Racial composition over time

Share of residents identifying as a race other than White alone

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Racial composition over time — data table
Year	Nonwhite
2,010	4.7
2,011	4.8
2,012	4.9
2,013	5.1
2,014	5.2
2,015	5.4
2,016	5.6
2,017	5.6
2,018	5.7
2,019	6
2,021	9.5
2,022	9.2
2,023	9.9
2,024	10.3

Source: U.S. Census Bureau, ACS 1-year

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Households & families

Average household size

People per household, statewide

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Average household size — data table
Year	Size	Kids
2,010	2.37	27.4
2,011	2.34	27
2,012	2.33	26.7
2,013	2.36	25.6
2,014	2.35	26
2,015	2.37	25.5
2,016	2.44	24.6
2,017	2.4	24.1
2,018	2.28	24.3
2,019	2.28	23.9
2,021	2.25	24.1
2,022	2.23	23.6
2,023	2.2	23.1
2,024	2.21	22.6

Source: U.S. Census Bureau, ACS 1-year

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Households with children

Share of households with one or more people under 18

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Households with children — data table
Year	Size	Kids
2,010	2.37	27.4
2,011	2.34	27
2,012	2.33	26.7
2,013	2.36	25.6
2,014	2.35	26
2,015	2.37	25.5
2,016	2.44	24.6
2,017	2.4	24.1
2,018	2.28	24.3
2,019	2.28	23.9
2,021	2.25	24.1
2,022	2.23	23.6
2,023	2.2	23.1
2,024	2.21	22.6

Source: U.S. Census Bureau, ACS 1-year

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Marriage & divorce rates

Per 1,000 residents, since 1990 — both have fallen sharply

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Marriage & divorce rates — data table
Year	Marriage	Divorce
2,000	8.8	5
2,001	8.6	4.7
2,002	8.4	4.6
2,003	8.4	4.4
2,004	8.6	4.3
2,005	8.2	4.1
2,006	7.8	4.2
2,007	7.4	4.2
2,008	7.4	4.2
2,009	7.1	4.1
2,010	7.1	4.2
2,011	7.2	4.2
2,012	7.3	3.9
2,013	8.3	4
2,014	7.7	3.6
2,015	7.6	3.4
2,016	7.6	3.4
2,017	7.6	3.2
2,018	7.4	3.2
2,019	7.1	3
2,020	5.8	2.4
2,021	7.3	2.7
2,022	7.5	2.4
2,023	7	2.5

Most recent 24 of 26 rows shown.

Source: CDC National Center for Health Statistics

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Cost of childcare

Median annual price at a child-care center, by age group

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Cost of childcare — data table
Year	Infant	Toddler	Preschool
2,008
2,009
2,010
2,011
2,012	8,996	8,476	7,280
2,013	8,840	8,580	7,332
2,014	9,048	8,736	7,904
2,015	9,360	8,580	8,268
2,016	9,412	8,944	8,476
2,017	9,464	9,204	8,632
2,018	9,724	9,360	8,840
2,019	10,192	9,620	9,152
2,020	10,920	9,880	9,724
2,021	11,440	10,400	9,880
2,022	11,960	11,076	10,088

Source: U.S. Dept. of Labor, National Database of Childcare Prices

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Births, deaths & migration

Births vs. deaths

Annual births and deaths, statewide — deaths now outnumber births

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Births vs. deaths — data table
Year	Births	Deaths
2,011	12,628	13,024
2,012	12,796	12,753
2,013	12,866	13,405
2,014	12,705	13,348
2,015	12,644	14,174
2,016	12,704	14,173
2,017	12,396	14,552
2,018	12,265	14,577
2,019	12,390	14,692
2,021	11,590	16,131
2,022	12,059	17,966
2,023	11,919	17,061
2,024	11,609	16,766

Source: U.S. Census Bureau, Population Estimates Program

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What changes the population

Bars above zero added people, below zero subtracted. The dark line is the net change.

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What changes the population — data table
Year	Natural	Domestic	International	Net
2,011	-396	-5	1,265	864
2,012	43	-874	656	-175
2,013	-539	-780	1,910	591
2,014	-643	310	3,172	2,839
2,015	-1,530	-1,267	770	-2,027
2,016	-1,469	2,657	2,118	3,306
2,017	-2,156	4,829	774	3,447
2,018	-2,312	5,701	1,024	4,413
2,019	-2,302	5,899	2,057	5,654
2,021	-4,541	18,016	1,012	14,487
2,022	-5,907	14,379	3,255	11,727
2,023	-5,142	9,598	4,277	8,733
2,024	-5,157	5,329	5,196	5,368

Source: U.S. Census Bureau, Population Estimates Program

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Change by county

Population change by county

Percent change in population, 2010–2024

Hover a county for its population change.

-6.9%11.6%no data

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Population change by county — data table
County	Value
Androscoggin	7
Aroostook	-6.9
Cumberland	11.5
Franklin	0.6
Hancock	4.8
Kennebec	5.2
Knox	3.2
Lincoln	6.1
Oxford	3.9
Penobscot	1.9
Piscataquis	-0.7
Sagadahoc	6.7
Somerset	-1.7
Waldo	4.6
Washington	-4.4
York	11.6

Source: U.S. Census Bureau, Population Estimates Program

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Figures are the Census Bureau’s annual population estimates. Counts for the census base years (2010 and 2020) cover only part of the year, so they’re omitted from the births, deaths, and migration charts. Net migration combines domestic and international moves.