Killingly, Connecticut Population

Overview

17,681

Total Population

42.2

Median age

52.89%

Female population %

89.1:100

Gender ratio (M:F)

50-54 years

Largest age group

54.9

Total dependency ratio

White

Largest racial group

1,008

Hispanic population

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

TABLE OF CONTENTS

Age

Killingly town's population is old compared to the rest of the country:

The median age in Killingly town is 42.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Killingly town's population under 18 was 20.60%, compared to the 22.51% nationwide.
Killingly town's elderly or the senior population (over 65 age) was 17.96% as compared to 16.04% nationwide.
Of the total population in Killingly town, 17.49% were under the age of 15, 15.48% aged 15 to 29, 49.07% aged 30 to 64, 15.80% aged 65 to 84, and 2.16% were 85 years of age and older.

There are 1,021 more females than males in Killingly town:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 52.89% females and 47.11% males in Killingly, Connecticut.
The Killingly, Connecticut gender ratio is 89.1:100 i.e. 89.1 men to 100 women (0.891).
For male population, the largest age group is 35-39 years with a population of 698.
For the female population, the largest age group is 50-54 years with a population of 751.

Killingly town's population has become increasingly diverse:

Racial distribution of Killingly town population: 90.67% are White, 1.19% are Black or African American, 0.10% are American Indian and Alaska Native, 0.79% are Asian, 2.15% are some other race and 5.09% are multiracial.
Killingly town's racial breakdown clearly shows that there is an absolute majority of White population in the town.
By ethnicity, 1,008 is Hispanic or Latino (of any race), and 16,673 (94.30% of the total population) is Non-Hispanic.
The largest racial group in Killingly town is White with a population of 16,032 (90.67% of the total population).

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

The peak population was 17,915 in the year 2009
From 2000 to 2010, Killingly town's population increased by 882 (5.35%), as compared to the national growth of 9.63%.
From 2010 to 2020, Killingly town's population increased by 339 (1.95%), 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, Killingly town's population was lowest in year 2000 at 16,501.