Coos County, NH Population

Overview

31,360

Total Population

48.8

Median age

46.07%

Female population %

117.1:100

Gender ratio (M:F)

60-64 years

Largest age group

58.1

Total dependency ratio

White

Largest racial group

617

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Coos County's population is old compared to the rest of the country:

The median age in Coos County is 48.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Coos County's population under 18 was 16.05%, compared to the 22.51% nationwide.
Coos County's elderly or the senior population (over 65 age) was 23.78% as compared to 16.04% nationwide.
Of the total population in Coos County, 12.98% were under the age of 15, 15.04% aged 15 to 29, 48.21% aged 30 to 64, 21.21% aged 65 to 84, and 2.56% were 85 years of age and older.

There are 2,466 less females than males in Coos County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 46.07% females and 53.93% males in Coos County, NH.
The Coos County, NH gender ratio is 117.1:100 i.e. 117.1 men to 100 women (1.171).
For male population, the largest age group is 55-59 years with a population of 1,411.
For the female population, the largest age group is 60-64 years with a population of 1,506.

Coos County's population has become increasingly diverse:

Racial distribution of Coos County population: 95.48% are White, 2.19% are Black or African American, 0.19% are American Indian and Alaska Native, 0.09% are Asian, 0.09% are Native Hawaiian and other Pacific Islander, 0.21% are some other race and 1.76% are multiracial.
Coos County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 617 is Hispanic or Latino (of any race), and 30,743 (98.03% of the total population) is Non-Hispanic.
The largest racial group in Coos County is White with a population of 29,941 (95.48% of the total population).

Coos County's population has already reached its peak and is showing a trend of decline:

The peak population was 33,118 in the year 2000
From 2000 to 2010, Coos County's population decreased by 148 (0.45%), as compared to the national growth of 9.63%.
From 2010 to 2020, Coos County's population decreased by 1,743 (5.29%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Coos County's population was lowest in year 2020 at 31,227.