Killingly, Connecticut Population 2024

18,061

Killingly Demographics

According to the most recent ACS, the racial composition of Killingly was:

  • White: 88.36%
  • Two or more races: 5.24%
  • Other race: 2.64%
  • Black or African American: 2.06%
  • Asian: 1.21%
  • Native American: 0.35%
  • Native Hawaiian or Pacific Islander: 0.13%
Land Area (mi²)
48.3 sq mi
Density (mi²)
373.60/sq mi
Growth Since 2020
1.98% (351)
The current population of Killingly, Connecticut is 18,061 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 17,710.

Population by Race

Race
Population
Percentage (of total)
White15,71488.36%
Two or more races9325.24%
Other race4702.64%
Black or African American3672.06%
Asian2161.21%
Native American630.35%
Native Hawaiian or Pacific Islander230.13%

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Killingly Population by Race

Killingly Population Pyramid 2024

Killingly Median Age

39.2

Total

38.1

Male

41.3

Female

Killingly Adults

There are 14,340 adults, (3,198 of whom are seniors) in Killingly.

Killingly Age Dependency

59.6

Age Dependency Ratio

28.7

Old Age Dependency Ratio

30.9

Child Dependency Ratio

Killingly Sex Ratio

Female9,26252.08%
Male8,52347.92%

Killingly Population by Age

Killingly Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All7,2022.4269.130.9
Married2,9253.0880.919.1
Non Family2,7601.3160.339.7
Female1,0353.3154.145.9
Male4822.8380.719.3

2.94

Average Family Size

2.42

Average Household Size

69.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Killingly Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade9136.92%
Associates Degree1,48111.22%
Bachelors Degree1,87714.22%
Graduate Degree1,3089.91%
High School Graduate4,81236.46%
Less Than 9th Grade3802.88%
Some College2,42618.38%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Killingly Educational Attainment by Sex (over 25)

Killingly Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White11,60310,5322,974
Hispanic49340526
2+ Races474454102
Other Race3773220
Black33330724
Asian21613759
Native American58580
Islander23230

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 27.31%.

Killingly Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$80,166$74,014$80,585
Graduate Degree$90,815$90,516$91,199
High School Graduate$44,741$53,295$37,917
Less Than 9th Grade$41,830$49,526$28,686
Overall$56,800$59,162$50,942
Some College$47,500$54,943$36,667

$56,800

Average Earnings

$59,162

Average Male

$50,942

Average Female

Killingly Earnings by Educational Attainment

Killingly Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Killingly Language

94.09% of Killingly residents speak only English, while 5.91% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3% of the population.

Killingly Language

Killingly Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White15,3142,26414.78%
Black35812133.8%
Hispanic847829.68%
Asian2168037.04%
Multiple931414.4%
Other46591.94%
Native6357.94%

14.71%

Overall Poverty Rate

14.32%

Male Poverty Rate

15.07%

Female Poverty Rate

Poverty in Killingly

The race most likely to be in poverty in Killingly is Asian, with 37.04% below the poverty level.

The race least likely to be in poverty in Killingly is Other, with 1.94% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.8%. Among those working part-time, it was 10.14%, and for those that did not work, the poverty rate was 29.78%.

Killingly Poverty

rate

Rate
Poverty
Less Than 9th Grade25.42%
Some College12.66%
High School12.06%
Bachelors or Greater6.65%

Killingly Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed38.76%
Male Employed4.35%
Female Employed2.48%
Female Unemployed1.05%

Killingly Poverty Rate by Employment Status and Sex

Killingly Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$97,904$106,910
Households$81,881$92,976
Married Families$108,125$-999,999,999
Non Families$51,333$62,613

mean

median

Income by Household Type

Killingly Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

43.7%

Overall Marriage Rate

47.2%

Male Marriage Rate

40.4%

Female Marriage Rate

Killingly Married by Age and Sex

male

female

Killingly 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.

Killingly Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Killingly Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

935

Number of Veterans

911

Male Veterans

24

Female Veterans

War
Veterans
Vietnam336
First Gulf War119
Second Gulf War115
Korea40
World War II35

Killingly Veterans by War

count

Age Group
Veterans
75+309
65 to 74259
35 to 54163
55 to 64142
18 to 3462

Killingly Veterans by Age

count

Name
Veterans
% of Total
White8796.89%
2+ Races397.07%
Other Race174.51%
Hispanic112.03%

Killingly Veterans by Race

Killingly Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

2.47%

Veteran Poverty Rate

28.36%

Veteran Disability Rate

Killingly Veterans by Education

LaborForceParticipation

65.8%

Labor Force Participation

59.4%

Employment Rate

9.7%

Unemployment Rate

Killingly Employment by Age

LaborForceParticipation

Killingly Employment by Race

LaborForceParticipation

Killingly 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

53.49%

Born in Killingly

95.75%

Native Born

4.25%

Foreign Born

2.59%

Non Citizen

1.66%

Naturalized

Place of Birth

95.75% of Killingly residents were born in the United States, with 53.49% having been born in Connecticut. 2.59% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Killingly Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202918,6411160.63%
202818,5251160.63%
202718,4091160.63%
202618,2931160.64%
202518,1771160.64%
202418,0611160.65%
202317,9451160.65%
202217,829890.5%
202117,740300.17%
202017,7103642.1%
201917,34670.04%
201817,3391350.78%
201717,204890.52%
201617,115-34-0.2%
201517,149-42-0.24%
201417,191-76-0.44%
201317,267-43-0.25%
201217,310-60-0.35%
201117,370-13-0.07%
201017,38300%

Killingly Population by Year