Holtsville is a city located in Suffolk County New York. Holtsville has a 2024 population of 19,797. Holtsville is currently growing at a rate of 0.51% annually and its population has increased by 6.58% 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.
According to the most recent ACS, the racial composition of Holtsville was:
White
Two or more races
Black or African American
Other race
Asian
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 6,449 | 3.02 | 83.5 | 16.5 |
| Married | 3,789 | 3.67 | 92.2 | 7.8 |
| Non Family | 1,491 | 1.12 | 82 | 18 |
| Female | 705 | 3.39 | 58.9 | 41.1 |
| Male | 464 | 3.31 | 55.2 | 44.8 |
3.46
Average Family Size
3.02
Average Household Size
83.5%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
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%.
All
Male
Female
$65,019
Average Earnings
$79,688
Average Male
$48,658
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
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.
rate
4.47%
Overall Poverty Rate
3.05%
Male Poverty Rate
5.89%
Female Poverty Rate
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%.
Married
Widowed
Divorced
Separated
NeverMarried
51.8%
Overall Marriage Rate
52.7%
Male Marriage Rate
50.8%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
2.57%
Veteran Poverty Rate
27.19%
Veteran Disability Rate
LaborForceParticipation
69.9%
Labor Force Participation
67.7%
Employment Rate
3.1%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
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
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.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2024 | 19,797 | 100 | 0.51% |
| 2023 | 19,697 | 100 | 0.51% |
| 2022 | 19,597 | 100 | 0.51% |
| 2021 | 19,497 | 923 | 4.97% |
| 2020 | 18,574 | -905 | -4.65% |
| 2019 | 19,479 | 114 | 0.59% |
| 2018 | 19,365 | -836 | -4.14% |
| 2017 | 20,201 | -57 | -0.28% |
| 2016 | 20,258 | 177 | 0.88% |
| 2015 | 20,081 | 27 | 0.13% |
| 2014 | 20,054 | -38 | -0.19% |
| 2013 | 20,092 | 403 | 2.05% |
| 2012 | 19,689 | 718 | 3.78% |
| 2011 | 18,971 | -743 | -3.77% |
| 2010 | 19,714 | 0 | 0% |