Holtsville, New York Population 2024

20,620

Holtsville is a city located in Suffolk County New York. Holtsville has a 2024 population of 20,620. Holtsville is currently growing at a rate of 2.55% annually and its population has increased by 11.02% since the most recent census, which recorded a population of 18,574 in 2020.

The average household income in Holtsville is $144,722 with a poverty rate of 4.47%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Holtsville is 39.4 years, 39.5 years for males, and 39.3 years for females.

Holtsville Demographics

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

  • White: 78.95%
  • Two or more races: 6.29%
  • Black or African American: 5.67%
  • Other race: 4.29%
  • Asian: 3.87%
  • Native American: 0.92%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
7.1 sq mi
Density (mi²)
2,900.60/sq mi
Growth Since 2020
11.02% (2,046)
The current population of Holtsville, New York is 20,620 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 18,574.

Holtsville, New York Population 2024

Population by Race

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Race
Population
Percentage (of total)
White15,47278.95%
Two or more races1,2336.29%
Black or African American1,1125.67%
Other race8414.29%
Asian7583.87%
Native American1810.92%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Holtsville Population by Race

Holtsville Population Pyramid 2024

Holtsville Median Age

39.4

Total

39.5

Male

39.3

Female

Holtsville Adults

There are 15,454 adults, (2,716 of whom are seniors) in Holtsville.

Holtsville Age Dependency

53.8

Age Dependency Ratio

21.3

Old Age Dependency Ratio

32.5

Child Dependency Ratio

Holtsville Sex Ratio

Female9,79850%
Male9,79950%

Holtsville Population by Age

Holtsville Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All6,4493.0283.516.5
Married3,7893.6792.27.8
Non Family1,4911.128218
Female7053.3958.941.1
Male4643.3155.244.8

3.46

Average Family Size

3.02

Average Household Size

83.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Holtsville 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

Holtsville Educational Attainment by Sex (over 25)

Holtsville Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among asian people with a rate of 96.09%.

The highest rate of bachelors degrees is among asian people with a rate of 81.6%.

Holtsville Educational Attainment by Race

All

Male

Female

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$65,019

Average Earnings

$79,688

Average Male

$48,658

Average Female

Holtsville Earnings by Educational Attainment

Holtsville Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Holtsville Language

81.64% of Holtsville residents speak only English, while 18.36% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.2% of the population.

Holtsville Language

Holtsville Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White14,0316634.73%
Hispanic3,1992016.28%
Other8318910.71%
Black1,112100.9%
Multiple1,23340.32%

4.47%

Overall Poverty Rate

3.05%

Male Poverty Rate

5.89%

Female Poverty Rate

Poverty in Holtsville

The race most likely to be in poverty in Holtsville is Other, with 10.71% below the poverty level.

The race least likely to be in poverty in Holtsville is Multiple, with 0.32% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.26%. Among those working part-time, it was 2.61%, and for those that did not work, the poverty rate was 15.32%.

Holtsville Poverty

rate

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Rate
Poverty
Less Than 9th Grade18.16%
High School7.74%
Some College2.56%
Bachelors or Greater0.62%

Holtsville Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed20.63%
Male Unemployed4.69%
Female Employed0.95%
Male Employed0%

Holtsville Poverty Rate by Employment Status and Sex

Holtsville Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Holtsville Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.8%

Overall Marriage Rate

52.7%

Male Marriage Rate

50.8%

Female Marriage Rate

Holtsville Married by Age and Sex

male

female

Holtsville Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

Holtsville Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Holtsville Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

679

Number of Veterans

659

Male Veterans

20

Female Veterans

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Holtsville Veterans by War

count

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Holtsville Veterans by Age

count

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Holtsville Veterans by Race

Holtsville Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

2.57%

Veteran Poverty Rate

27.19%

Veteran Disability Rate

Holtsville Veterans by Education

LaborForceParticipation

69.9%

Labor Force Participation

67.7%

Employment Rate

3.1%

Unemployment Rate

Holtsville Employment by Age

LaborForceParticipation

Holtsville Employment by Race

LaborForceParticipation

Holtsville 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

82.89%

Born in Holtsville

87.65%

Native Born

12.35%

Foreign Born

5.6%

Non Citizen

6.75%

Naturalized

Place of Birth

87.65% of Holtsville residents were born in the United States, with 82.89% having been born in New York. 5.6% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Holtsville Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202420,6205122.55%
202320,1085112.61%
202219,5971000.51%
202119,4979234.97%
202018,574-905-4.65%
201919,4791140.59%
201819,365-836-4.14%
201720,201-57-0.28%
201620,2581770.88%
201520,081270.13%
201420,054-38-0.19%
201320,0924032.05%
201219,6897183.78%
201118,971-743-3.77%
201019,71400%

Holtsville Population by Year