Knox County, Maine Population 2024

41,344

Knox County, Maine's estimated 2024 population is 41,344 with a growth rate of 0.22% in the past year according to the most recent United States census data. Knox County, Maine is the 10th largest county in Maine. The 2010 population was 39,727 and has seen a growth of 4.07% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202941,794900.22%
202841,704900.22%
202741,614900.22%
202641,524900.22%
202541,434900.22%
202441,344900.22%
202341,254900.22%
202241,164900.22%
202141,0744171.03%
202040,6578652.17%
201939,792320.08%
201839,760-14-0.04%
201739,77450.01%
201639,769-28-0.07%
201539,797-100-0.25%
201439,8972040.51%
201339,693800.2%
201239,613-61-0.15%
201139,674-53-0.13%
201039,72700%
199036,3103,36910.23%
198032,9413,92813.54%
197029,0134381.53%
196028,5754541.61%
195028,1219303.42%
194027,191-502-1.81%
193027,6931,4485.52%
192026,245-2,736-9.44%
191028,981-1,425-4.69%
190030,406-1,067-3.39%
189031,473-1,390-4.23%
188032,8632,0406.62%
187030,823-1,893-5.79%
186032,716-9,078-21.72%
showing: 34 rows
2024 Growth Rate
0.22% (90)
County Website
Knox County
State
Maine
County Seat
2020 Population
40,657
Area
365 mi²
Density
113 people/mi²
Growth Since 2020
1.69% (687)
Founded
April 1, 1860

Knox County, Maine Population 2024

Population by Race

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Race
Population
Percentage (of total)
White38,68294.97%
Two or more races1,3283.26%
Other race3140.77%
Black or African American1570.39%
Asian1460.36%
Native American980.24%
Native Hawaiian or Pacific Islander40.01%

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Knox County, Maine Population by Race

Knox County, Maine Population Pyramid 2024

Knox County, Maine Median Age

49

Total

46.6

Male

51.4

Female

Knox County, Maine Adults

There are 33,678 adults, (10,780 of whom are seniors) in Knox County, Maine.

Knox County, Maine Age Dependency

77.9

Age Dependency Ratio

47.1

Old Age Dependency Ratio

30.8

Child Dependency Ratio

Knox County, Maine Sex Ratio

Female20,20349.6%
Male20,52650.4%

Knox County, Maine Population by Age

Knox County, Maine Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All17,7802.279.220.8
Married8,4802.7692.57.5
Non Family7,3451.2566.533.5
Female1,4253.3369.630.4
Male5303.1869.130.9

2.78

Average Family Size

2.2

Average Household Size

79.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Knox 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

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

Knox 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 native american people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 91.13%.

Knox County, Maine Educational Attainment by Race

All

Male

Female

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$39,040

Average Earnings

$46,320

Average Male

$32,815

Average Female

Knox County, Maine Earnings by Educational Attainment

Knox County, Maine Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Knox County, Maine Language

95.48% of Knox County, Maine residents speak only English, while 4.52% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.19% of the population.

Knox County, Maine Language

Knox County, Maine Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White37,0803,5129.47%
Multiple1,12231027.63%
Hispanic6267812.46%
Other2993913.04%
Black831012.05%
Asian131107.63%
Islander44100%

9.97%

Overall Poverty Rate

7.53%

Male Poverty Rate

12.31%

Female Poverty Rate

Poverty in Knox County, Maine

The race most likely to be in poverty in Knox County, Maine is Islander, with 100% below the poverty level.

The race least likely to be in poverty in Knox County, Maine is Asian, with 7.63% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.31%. Among those working part-time, it was 8.93%, and for those that did not work, the poverty rate was 17.72%.

Knox County, Maine Poverty

rate

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Rate
Poverty
Less Than 9th Grade29.08%
High School10.95%
Some College10.43%
Bachelors or Greater3.95%

Knox County, Maine Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed9.73%
Female Unemployed8.91%
Female Employed6.7%
Male Employed2.67%

Knox County, Maine Poverty Rate by Employment Status and Sex

Knox County, Maine Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Knox County, Maine Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.9%

Overall Marriage Rate

51.1%

Male Marriage Rate

50.6%

Female Marriage Rate

Knox County, Maine Married by Age and Sex

male

female

Knox 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 45-54.

Knox County, Maine Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Knox County, Maine Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,821

Number of Veterans

2,574

Male Veterans

247

Female Veterans

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Knox County, Maine Veterans by War

count

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Knox County, Maine Veterans by Age

count

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Knox County, Maine Veterans by Race

Knox County, Maine Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.73%

Veteran Poverty Rate

27.91%

Veteran Disability Rate

Knox County, Maine Veterans by Education

LaborForceParticipation

58.1%

Labor Force Participation

55.8%

Employment Rate

3.8%

Unemployment Rate

Knox County, Maine Employment by Age

LaborForceParticipation

Knox County, Maine Employment by Race

LaborForceParticipation

Knox 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

54.96%

Born in Knox County, Maine

96.98%

Native Born

3.02%

Foreign Born

1.47%

Non Citizen

1.56%

Naturalized

Place of Birth

96.98% of Knox County, Maine residents were born in the United States, with 54.96% 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 Europe.

Knox County, Maine Place of Birth

Sources