Penobscot County, Maine Population 2021

Penobscot County, Maine's estimated population is 152,810 with a growth rate of 0.22% in the past year according to the most recent United States census data. Penobscot County, Maine is the 4th largest county inMaine. The 2010 Population was 153,861 and has seen a growth of -0.68% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
2021152,8103310.22%
2020152,4793310.22%
2019152,1483310.22%
2018151,8171720.11%
2017151,6453120.21%
2016151,333-596-0.39%
2015151,929-1,272-0.83%
2014153,201-21-0.01%
2013153,222-125-0.08%
2012153,347-412-0.27%
2011153,759-102-0.07%
2010153,8617,2604.95%
1990146,6019,5867.00%
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%
182013,8700.00%
2021 Growth Rate
0.22%
County Website
State
Founded
1816
County Seat
2010 Population
153,861
Growth Since 2010
-0.68%
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Penobscot County, Maine Population Growth

Population by Race

Race Population Percentage
White143,46594.53%
Two or More Races3,0962.04%
American Indian and Alaska Native1,9101.26%
Asian1,4920.98%
Black or African American1,2910.85%
Some Other Race4620.30%
Native Hawaiian and Other Pacific Islander580.04%
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Penobscot County, Maine Population by Race

Penobscot County, Maine Population Pyramid $2021

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Penobscot County, Maine Median Age

42


Total

40.3


Male

43.6


Female

Penobscot County, Maine Adults

There are 123,988 adults, (27,349 of whom are seniors) in Penobscot County, Maine.

Penobscot County, Maine Age Dependency

57.1

Age Dependency Ratio

28.3

Old Age Dependency Ratio

28.8

Child Dependency Ratio

Penobscot County, Maine Sex Ratio

Female

76,539

50.43%

Male

75,235

49.57%

Penobscot County, Maine Population by Age

Penobscot County, Maine Renter vs Owner Occupied by Household Type

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Penobscot County, Maine Household Types

Type Owner Renter
Female51.3%48.7%
Non Family52.6%47.4%
All69.4%30.6%
Male72.4%27.6%
Married87.1%12.9%

69.4%

Rate of Home Ownership

Penobscot County, Maine Households and Families

Type Count Average Size Owned
All62,1562.3369.4
Married28,7572.9187.1
Non Family24,4141.3652.6
Female5,9583.1351.3
Male3,0273.1672.4

2.85

Average Family Size

2.33

Average Household Size

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Penobscot County, Maine Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,8722.66%
9th to 12th Grade5,7785.36%
High School Graduate36,20433.56%
Some College21,74120.15%
Associates Degree11,39310.56%
Bachelors Degree18,84217.46%
Graduate Degree11,05810.25%
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Penobscot County, Maine Educational Attainment by Sex (over 25)

Penobscot County, Maine Educational Attainment by Race

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Race Total High School Bachelors
White102,63394,51228,165
2+ Races1,4901,282325
Native American1,1221,062292
Asian1,050880635
Hispanic1,021941274
Black642611224
Other Race16616347
Islander1818

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 60.48%.

Penobscot County, Maine Educational Attainment by Race

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Name Average Male Female
Overall$35,945$40,552$31,643
Less Than 9th Grade$25,292$30,164$15,508
High School Graduate$29,097$34,051$21,643
Some College$33,322$40,285$29,464
Bachelors Degree$43,572$47,157$39,391
Graduate Degree$58,941$67,668$55,355

$35,945

Average Earnings

$40,552

Average Male

$31,643

Average Female

Penobscot County, Maine Earnings by Educational Attainment

Penobscot County, Maine Language by Age

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Penobscot County, Maine Language

95.72% of Penobscot County, Maine residents speak only English, while 4.28% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.22% of the population.

Penobscot County, Maine Language

Penobscot County, Maine Poverty by Race

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Name Total In Poverty Poverty Rate
White136,41519,10314.00%
Multiple2,87082728.82%
Native1,82766236.23%
Hispanic1,82848426.48%
Asian1,31939529.95%
Black1,02623322.71%
Other4295111.89%
Islander583763.79%

14.81%

Overall Poverty Rate

13.66%

Male Poverty Rate

15.93%

Female Poverty Rate

Poverty in Penobscot County, Maine

The race most likely to be in poverty in Penobscot County, Maine is Islander, with 63.79% below the poverty level.

The race least likely to be in poverty in Penobscot County, Maine is Other, with 11.89% 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 20.36%, and for those that did not work, the poverty rate was 23.54%.

Penobscot County, Maine Poverty

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Name Poverty
Less Than 9th Grade25.67%
High School15.99%
Some College10.64%
Bachelors or Greater5.05%

Penobscot County, Maine Poverty Rate by Education

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Rate Poverty
Female Unemployed34.59%
Male Unemployed31.61%
Female Employed9.39%
Male Employed5.84%

Penobscot County, Maine Poverty Rate by Employment Status and Sex

Penobscot County, Maine Income by Household Type

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Name Median Mean
Households$50,808$67,198
Families$67,476$81,761
Married Families$77,817$93,320
Non Families$27,132$41,099
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Income by Household Type

Penobscot County, Maine Marital Status

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Marriage Rates

47.2%

Overall Marriage Rate

48.4%

Male Marriage Rate

46.0%

Female Marriage Rate

Penobscot County, Maine Married by Age and Sex

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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 55-64.

Penobscot County, Maine Marital Status by Race

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Penobscot County, Maine Marital Status

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11,276

Number of Veterans

10,338

Male Veterans

938

Female Veterans

War Veterans
Vietnam4,106
First Gulf War2,409
Second Gulf War2,034
Korea1,007
World War II353

Penobscot County, Maine Veterans by War

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Age Group Veterans
65 to 743,034
75+2,619
35 to 542,537
55 to 642,321
18 to 34765

Penobscot County, Maine Veterans by Age

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Name Veterans % of Total
White10,7969.16%
Hispanic19413.73%
2+ Races1779.43%
Native American15711.59%
Black898.16%
Asian423.43%
Other Race156.07%

Penobscot County, Maine Veterans by Race

Penobscot County, Maine Veterans by Education

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6.94%

Veteran Poverty Rate

31.88%

Veteran Disability Rate

Penobscot County, Maine Veterans by Education

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60.4%

Labor Force Participation

57.2%

Employment Rate

5%

Unemployment Rate

Penobscot County, Maine Employment by Age

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Penobscot County, Maine Employment by Race

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Penobscot County, Maine Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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70.51%

Born in Penobscot County, Maine

97.11%

Native Born

2.89%

Foreign Born

1.35%

Non Citizen

1.54%

Naturalized

Place of Birth

97.11% of Penobscot County, Maine residents were born in the United States, with 70.51% having been born in Maine. 1.35% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Penobscot County, Maine Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources