New Haven County, CT Population

Overview

864,751

Total Population

40.4

Median age

51.56%

Female population %

94:100

Gender ratio (M:F)

55-59 years

Largest age group

51.1

Total dependency ratio

White

Largest racial group

166,048

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in New Haven County is 40.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
New Haven County's population under 18 was 20.29%, compared to the 22.51% nationwide.
New Haven County's elderly or the senior population (over 65 age) was 17.33% as compared to 16.04% nationwide.
Of the total population in New Haven County, 16.49% were under the age of 15, 20.29% aged 15 to 29, 45.88% aged 30 to 64, 14.79% aged 65 to 84, and 2.55% were 85 years of age and older.

There are 26,931 more females than males in New Haven County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.56% females and 48.44% males in New Haven County, CT.
The New Haven County, CT gender ratio is 94:100 i.e. 94 men to 100 women (0.940).
For male population, the largest age group is 55-59 years with a population of 30,402.
For the female population, the largest age group is 55-59 years with a population of 32,550.

New Haven County's population has become increasingly diverse:

Racial distribution of New Haven County population: 69.09% are White, 13.82% are Black or African American, 0.18% are American Indian and Alaska Native, 4.08% are Asian, 0.04% are Native Hawaiian and other Pacific Islander, 6.61% are some other race and 6.19% are multiracial.
New Haven County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 166,048 is Hispanic or Latino (of any race), and 698,703 (80.80% of the total population) is Non-Hispanic.
The largest racial group in New Haven County is White with a population of 597,439 (69.09% of the total population).

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

The peak population was 864,732 in the year 2012
From 2000 to 2010, New Haven County's population increased by 38,557 (4.67%), as compared to the national growth of 9.63%.
From 2010 to 2020, New Haven County's population increased by 100 (0.01%), 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 2021, New Haven County's population was lowest in year 2000 at 824,841.