Coos County, New Hampshire Population 2023

30,731

Coos County, New Hampshire's estimated 2023 population is 30,731 with a growth rate of -0.58% in the past year according to the most recent United States census data. Coos County, New Hampshire is the 10th largest county in New Hampshire. The 2010 population was 33,055 and has seen a growth of -7.03% since that time.

Note: data after 2021 is projected based on recent change

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2023 Growth Rate
-0.58% (-179)
County Website
Coos County
Founded
1803
County Seat
Lancaster
2010 Population
33,055
Growth Since 2010
-7.03% (-2,324)

Coos County, New Hampshire Population 2023

Population by Race

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White

Black or African American

Two or more races

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

Coos County, New Hampshire Population by Race

Coos County, New Hampshire Population Pyramid 2023

Coos County, New Hampshire Median Age

48.8

Total

46.3

Male

51.6

Female

Coos County, New Hampshire Adults

There are 26,326 adults, (7,456 of whom are seniors) in Coos County, New Hampshire.

Coos County, New Hampshire Age Dependency

66.2

Age Dependency Ratio

39.5

Old Age Dependency Ratio

26.7

Child Dependency Ratio

Coos County, New Hampshire Sex Ratio

Female14,44746.07%
Male16,91353.93%

Coos County, New Hampshire Population by Age

Coos County, New Hampshire Renter vs Owner Occupied by Household Type

2.68

Average Family Size

2.16

Average Household Size

73.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Coos County, New Hampshire 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

Coos County, New Hampshire Educational Attainment by Sex (over 25)

Coos County, New Hampshire Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 28.57%.

Coos County, New Hampshire Educational Attainment by Race

All

Male

Female

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$35,643

Average Earnings

$41,744

Average Male

$30,866

Average Female

Coos County, New Hampshire Earnings by Educational Attainment

Coos County, New Hampshire Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Coos County, New Hampshire Language

91.28% of Coos County, New Hampshire residents speak only English, while 8.72% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 6.86% of the population.

Coos County, New Hampshire Language

Coos County, New Hampshire Poverty by Race

rate

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10.94%

Overall Poverty Rate

9.51%

Male Poverty Rate

12.47%

Female Poverty Rate

Poverty in Coos County, New Hampshire

The race most likely to be in poverty in Coos County, New Hampshire is White, with 12.38% below the poverty level.

The race least likely to be in poverty in Coos County, New Hampshire is Black, with 1.17% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.1%. Among those working part-time, it was 9.18%, and for those that did not work, the poverty rate was 19.92%.

Coos County, New Hampshire Poverty

rate

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Coos County, New Hampshire Poverty Rate by Education

rate

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Coos County, New Hampshire Poverty Rate by Employment Status and Sex

Coos County, New Hampshire Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Coos County, New Hampshire Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.2%

Overall Marriage Rate

47.6%

Male Marriage Rate

51.0%

Female Marriage Rate

Coos County, New Hampshire Married by Age and Sex

male

female

Coos County, New Hampshire 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.

Coos County, New Hampshire Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Coos County, New Hampshire Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,564

Number of Veterans

2,350

Male Veterans

214

Female Veterans

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Coos County, New Hampshire Veterans by War

count

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Coos County, New Hampshire Veterans by Age

count

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Coos County, New Hampshire Veterans by Race

Coos County, New Hampshire Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.77%

Veteran Poverty Rate

33.89%

Veteran Disability Rate

Coos County, New Hampshire Veterans by Education

LaborForceParticipation

56.5%

Labor Force Participation

53.9%

Employment Rate

4.5%

Unemployment Rate

Coos County, New Hampshire Employment by Age

LaborForceParticipation

Coos County, New Hampshire Employment by Race

LaborForceParticipation

Coos County, New Hampshire 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

57.92%

Born in Coos County, New Hampshire

98.45%

Native Born

2.42%

Foreign Born

0.88%

Non Citizen

1.54%

Naturalized

Place of Birth

98.45% of Coos County, New Hampshire residents were born in the United States, with 57.92% having been born in New Hampshire. 0.88% of residents are not US citizens. Of those not born in the United States, the largest percentage are from North America.

Coos County, New Hampshire Place of Birth

Sources