Cumberland County, Maine Population 2023

309,489

Cumberland County, Maine's estimated 2023 population is 309,489 with a growth rate of 0.7% in the past year according to the most recent United States census data. Cumberland County, Maine is the largest county in Maine. The 2010 population was 281,674 and has seen a growth of 9.87% since that time.

Note: data after 2021 is projected based on recent change

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Year
Population
Growth
Growth Rate
2010281,674
2011283,8142,1400.76%
2012285,9542,1400.75%
2013288,0942,1400.75%
2014290,2342,1400.74%
2015292,3742,1400.74%
2016294,5142,1400.73%
2017296,6542,1400.73%
2018298,7942,1400.72%
2019300,9342,1400.72%
2020303,0692,1350.71%
2021305,2092,1400.71%
2022307,3492,1400.7%
2023309,4892,1400.7%
showing: 14 rows
2023 Growth Rate
0.7% (2,140)
County Website
Cumberland County
State
Maine
Founded
November 1, 1760
County Seat
Portland
2010 Population
281,674
Growth Since 2010
9.87% (27,815)

Cumberland County, Maine Population 2023

Population by Race

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Race
Population
Percentage (of total)
White270,23289.84%
Two or more races11,8673.95%
Black or African American9,5903.19%
Asian6,6492.21%
Other race1,8570.62%
Native American5120.17%
Native Hawaiian or Pacific Islander690.02%
showing: 7 rows

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Cumberland County, Maine Population by Race

Cumberland County, Maine Population Pyramid 2023

Cumberland County, Maine Median Age

41.9

Total

40.6

Male

43.4

Female

Cumberland County, Maine Adults

There are 244,793 adults, (55,781 of whom are seniors) in Cumberland County, Maine.

Cumberland County, Maine Age Dependency

59.1

Age Dependency Ratio

29.5

Old Age Dependency Ratio

29.6

Child Dependency Ratio

Cumberland County, Maine Sex Ratio

Female153,85351.15%
Male146,92348.85%

Cumberland County, Maine Population by Age

Cumberland County, Maine Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All125,9862.3270.629.4
Married60,8462.9887.612.4
Non Family51,1091.3152.447.6
Female9,7603.1564.435.6
Male4,2713.1958.341.7
showing: 5 rows

2.93

Average Family Size

2.32

Average Household Size

70.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Cumberland County, Maine Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Cumberland County, Maine Educational Attainment by Sex (over 25)

Cumberland County, Maine Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 84.87%.

The highest rate of bachelors degrees is among other race people with a rate of 45.81%.

Cumberland County, Maine Educational Attainment by Race

All

Male

Female

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$48,662

Average Earnings

$54,267

Average Male

$43,027

Average Female

Cumberland County, Maine Earnings by Educational Attainment

Cumberland County, Maine Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Cumberland County, Maine Language

92.77% of Cumberland County, Maine residents speak only English, while 7.23% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3.33% of the population.

Cumberland County, Maine Language

Cumberland County, Maine Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White260,61517,2496.62%
Black8,8542,53228.6%
Multiple11,1171,56014.03%
Asian6,33587313.78%
Hispanic6,16375612.27%
Other1,819935.11%
Native4898116.56%
showing: 7 rows

7.83%

Overall Poverty Rate

7.29%

Male Poverty Rate

8.35%

Female Poverty Rate

Poverty in Cumberland County, Maine

The race most likely to be in poverty in Cumberland County, Maine is Black, with 28.6% below the poverty level.

The race least likely to be in poverty in Cumberland County, Maine is Other, with 5.11% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.01%. Among those working part-time, it was 10.34%, and for those that did not work, the poverty rate was 17.34%.

Cumberland County, Maine Poverty

rate

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Rate
Poverty
Less Than 9th Grade24.52%
High School11.21%
Some College7.71%
Bachelors or Greater3.52%
showing: 4 rows

Cumberland County, Maine Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed17.41%
Female Unemployed17.31%
Female Employed4.03%
Male Employed3.31%
showing: 4 rows

Cumberland County, Maine Poverty Rate by Employment Status and Sex

Cumberland County, Maine Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Cumberland County, Maine Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.0%

Overall Marriage Rate

51.7%

Male Marriage Rate

48.4%

Female Marriage Rate

Cumberland County, Maine Married by Age and Sex

male

female

Cumberland County, Maine Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Cumberland County, Maine Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Cumberland County, Maine Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

17,211

Number of Veterans

15,950

Male Veterans

1,261

Female Veterans

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Cumberland County, Maine Veterans by War

count

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Cumberland County, Maine Veterans by Age

count

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Cumberland County, Maine Veterans by Race

Cumberland County, Maine Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.98%

Veteran Poverty Rate

25.86%

Veteran Disability Rate

Cumberland County, Maine Veterans by Education

LaborForceParticipation

69%

Labor Force Participation

66.4%

Employment Rate

3.5%

Unemployment Rate

Cumberland County, Maine Employment by Age

LaborForceParticipation

Cumberland County, Maine Employment by Race

LaborForceParticipation

Cumberland County, Maine Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

56.97%

Born in Cumberland County, Maine

96.56%

Native Born

6.24%

Foreign Born

2.97%

Non Citizen

3.28%

Naturalized

Place of Birth

96.56% of Cumberland County, Maine residents were born in the United States, with 56.97% having been born in Maine. 2.97% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Africa.

Cumberland County, Maine Place of Birth

Sources