Penobscot County, Maine Population 2024

155,896

Penobscot County, Maine's estimated 2024 population is 155,896 with a growth rate of 0.38% in the past year according to the most recent United States census data. Penobscot County, Maine is the 3rd largest county in Maine. The 2010 population was 153,864 and has seen a growth of 1.32% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029158,8165840.37%
2028158,2325840.37%
2027157,6485840.37%
2026157,0645840.37%
2025156,4805840.37%
2024155,8965840.38%
2023155,3125840.38%
2022154,7281,3690.89%
2021153,3591,1900.78%
2020152,1693460.23%
2019151,823250.02%
2018151,798130.01%
2017151,7853660.24%
2016151,419-610-0.4%
2015152,029-1,259-0.82%
2014153,288-10%
2013153,289-103-0.07%
2012153,392-389-0.25%
2011153,781-83-0.05%
2010153,86400%
1990146,6019,5867%
1980137,01511,6229.27%
1970125,393-953-0.75%
1960126,34618,14816.77%
1950108,19811,09411.42%
194097,1044,7255.11%
193092,3794,6955.35%
192087,6842,3992.81%
191085,2859,03911.86%
190076,2463,3814.64%
189072,8652,3893.39%
188070,476-4,674-6.22%
187075,1502,4193.33%
186072,7319,64215.28%
185063,08917,38438.04%
184045,70514,17544.96%
183031,53017,660127.33%
182013,870-144,946-91.27%
showing: 38 rows
2024 Growth Rate
0.38% (584)
County Website
Penobscot County
State
Maine
County Seat
2020 Population
152,169
Area
3397 mi²
Density
46 people/mi²
Growth Since 2020
2.45% (3,727)
Founded
1816

Penobscot County, Maine Population 2024

Population by Race

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Race
Population
Percentage (of total)
White141,78092.89%
Two or more races5,1013.34%
Native American1,6971.11%
Black or African American1,5040.99%
Asian1,4860.97%
Other race1,0380.68%
Native Hawaiian or Pacific Islander340.02%

White

Two or more races

Native American

Black or African American

Asian

Other race

Native Hawaiian or Pacific Islander

Penobscot County, Maine Population by Race

Penobscot County, Maine Population Pyramid 2024

Penobscot County, Maine Median Age

42.4

Total

40.9

Male

44.1

Female

Penobscot County, Maine Adults

There are 125,466 adults, (29,546 of whom are seniors) in Penobscot County, Maine.

Penobscot County, Maine Age Dependency

59.1

Age Dependency Ratio

30.8

Old Age Dependency Ratio

28.3

Child Dependency Ratio

Penobscot County, Maine Sex Ratio

Female76,69850.25%
Male75,94249.75%

Penobscot County, Maine Population by Age

Penobscot County, Maine Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All63,6872.2969.930.1
Married29,3242.9387.612.4
Non Family26,0531.315347
Female5,8133.0754.345.7
Male2,4973.297426

2.86

Average Family Size

2.29

Average Household Size

69.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Penobscot County, Maine Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade2,0031.82%
9th to 12th Grade4,6834.26%
High School Graduate36,19132.89%
Some College21,69519.72%
Associates Degree12,68211.53%
Bachelors Degree20,77918.89%
Graduate Degree11,99010.9%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Penobscot County, Maine Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White103,26697,16730,357
2+ Races2,9622,637963
Hispanic1,2741,139384
Native American1,007988289
Asian842788587
Black739660180
Other Race659606184
Islander22110

The highest rate of high school graduation is among native american people with a rate of 98.11%.

The highest rate of bachelors degrees is among asian people with a rate of 69.71%.

Penobscot County, Maine Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$42,256$47,361$37,665
Less Than 9th Grade$29,738$30,054$29,511
High School Graduate$34,842$41,837$29,040
Some College$40,500$48,707$35,608
Bachelors Degree$49,583$57,861$45,656
Graduate Degree$66,722$69,880$63,814

$42,256

Average Earnings

$47,361

Average Male

$37,665

Average Female

Penobscot County, Maine Earnings by Educational Attainment

Penobscot County, Maine Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Penobscot County, Maine Language

95.66% of Penobscot County, Maine residents speak only English, while 4.34% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.29% of the population.

Penobscot County, Maine Language

Penobscot County, Maine Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White135,19517,81313.18%
Multiple4,91494019.13%
Hispanic2,24639517.59%
Black1,26024319.29%
Native1,66419811.9%
Asian1,22416713.64%
Other99013013.13%

13.42%

Overall Poverty Rate

11.82%

Male Poverty Rate

15%

Female Poverty Rate

Poverty in Penobscot County, Maine

The race most likely to be in poverty in Penobscot County, Maine is Black, with 19.29% below the poverty level.

The race least likely to be in poverty in Penobscot County, Maine is Native, with 11.9% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.06%. Among those working part-time, it was 17.12%, and for those that did not work, the poverty rate was 23.04%.

Penobscot County, Maine Poverty

rate

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Rate
Poverty
Less Than 9th Grade27.38%
High School14.24%
Some College10.73%
Bachelors or Greater5.62%

Penobscot County, Maine Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed34.55%
Male Unemployed27.28%
Female Employed7.62%
Male Employed4.96%

Penobscot County, Maine Poverty Rate by Employment Status and Sex

Penobscot County, Maine Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$59,438$79,488
Families$82,139$100,406
Married Families$93,495$112,060
Non Families$32,983$45,630

mean

median

Income by Household Type

Penobscot County, Maine Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

47.3%

Overall Marriage Rate

48.5%

Male Marriage Rate

46.1%

Female Marriage Rate

Penobscot County, Maine Married by Age and Sex

male

female

Penobscot 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.

Penobscot County, Maine Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Penobscot County, Maine Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

10,776

Number of Veterans

9,722

Male Veterans

1,054

Female Veterans

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War
Veterans
Vietnam3,876
First Gulf War2,530
Second Gulf War2,465
Korea738
World War II258

Penobscot County, Maine Veterans by War

count

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Age Group
Veterans
65 to 743,047
75+2,454
35 to 542,323
55 to 642,215
18 to 34737

Penobscot County, Maine Veterans by Age

count

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Name
Veterans
% of Total
White10,1718.67%
2+ Races34510.21%
Hispanic1056.1%
Native American927.18%
Other Race789.26%
Black735.84%
Asian171.51%

Penobscot County, Maine Veterans by Race

Penobscot County, Maine Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

8.13%

Veteran Poverty Rate

31.19%

Veteran Disability Rate

Penobscot County, Maine Veterans by Education

LaborForceParticipation

60%

Labor Force Participation

57.2%

Employment Rate

4.3%

Unemployment Rate

Penobscot County, Maine Employment by Age

LaborForceParticipation

Penobscot County, Maine Employment by Race

LaborForceParticipation

Penobscot 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

69.23%

Born in Penobscot County, Maine

96.97%

Native Born

3.03%

Foreign Born

1.47%

Non Citizen

1.56%

Naturalized

Place of Birth

96.97% of Penobscot County, Maine residents were born in the United States, with 69.23% having been born in Maine. 1.47% of residents are not US citizens. Of those not born in the United States, the largest percentage are from North America.

Penobscot County, Maine Place of Birth

Sources