Holtsville is a CDP located in Suffolk County New York. Holtsville has a 2024 population of 19,578. Holtsville is currently declining at a rate of -0.05% annually but its population has increased by 5.41% since the most recent census, which recorded a population of 18,574 in 2020.
The average household income in Holtsville is $148,631 with a poverty rate of 3.4%. The median age in Holtsville is 39.7 years: 40 years for males, and 39.4 years for females.
According to the most recent ACS, the racial composition of Holtsville was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 15,344 | 79.71% |
| Two or more races | 1,200 | 6.23% |
| Black or African American | 1,027 | 5.34% |
| Other race | 827 | 4.3% |
| Asian | 687 | 3.57% |
| Native American | 165 | 0.86% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
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 | 6,368 | 3.01 | 83.8 | 16.2 |
| Married | 3,672 | 3.61 | 91.4 | 8.6 |
| Non Family | 1,412 | 1.14 | 83.7 | 16.3 |
| Female | 744 | 3.39 | 60.2 | 39.8 |
| Male | 540 | 3.28 | 64.6 | 35.4 |
3.42
Average Family Size
3.01
Average Household Size
83.8%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 768 | 5.72% |
| Associates Degree | 1,527 | 11.36% |
| Bachelors Degree | 2,452 | 18.25% |
| Graduate Degree | 2,124 | 15.81% |
| High School Graduate | 3,622 | 26.96% |
| Less Than 9th Grade | 606 | 4.51% |
| Some College | 2,337 | 17.39% |
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
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 9,885 | 9,357 | 3,609 |
| Hispanic | 2,066 | 1,305 | 207 |
| Black | 684 | 613 | 253 |
| 2+ Races | 665 | 522 | 129 |
| Other Race | 633 | 411 | 74 |
| Asian | 507 | 494 | 437 |
| Native American | 165 | 47 | 8 |
The highest rate of high school graduation is among asian people with a rate of 97.44%.
The highest rate of bachelors degrees is among asian people with a rate of 86.19%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $80,746 | $98,906 | $59,073 |
| Graduate Degree | $94,184 | $135,944 | $89,456 |
| High School Graduate | $44,957 | $67,057 | $34,409 |
| Less Than 9th Grade | $32,554 | $38,750 | $23,250 |
| Overall | $64,507 | $76,078 | $51,355 |
| Some College | $55,156 | $75,963 | $48,921 |
$64,507
Average Earnings
$76,078
Average Male
$51,355
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
82.53% of Holtsville residents speak only English, while 17.47% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 8.75% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 13,988 | 540 | 3.86% |
| Hispanic | 3,058 | 108 | 3.53% |
| Other | 814 | 58 | 7.13% |
| Black | 1,027 | 22 | 2.14% |
| Multiple | 1,200 | 4 | 0.33% |
3.4%
Overall Poverty Rate
2.35%
Male Poverty Rate
4.43%
Female Poverty Rate
The race most likely to be in poverty in Holtsville is Other, with 7.13% below the poverty level.
The race least likely to be in poverty in Holtsville is Multiple, with 0.33% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.42%. Among those working part-time, it was 1.97%, and for those that did not work, the poverty rate was 11.54%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 8.33% |
| High School | 6.84% |
| Some College | 1.55% |
| Bachelors or Greater | 0.53% |
rate
Rate | Poverty |
|---|---|
| Female Unemployed | 10.73% |
| Male Unemployed | 5.63% |
| Female Employed | 0.85% |
| Male Employed | 0.3% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $147,345 | $162,826 |
| Households | $130,851 | $148,631 |
| Married Families | $160,435 | $-999,999,999 |
| Non Families | $57,212 | $78,776 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
50.7%
Overall Marriage Rate
51.8%
Male Marriage Rate
49.7%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
588
Number of Veterans
571
Male Veterans
17
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 262 |
| Second Gulf War | 103 |
| Korea | 82 |
| First Gulf War | 27 |
| World War II | 14 |
count
Age Group | Veterans |
|---|---|
| 65 to 74 | 230 |
| 75+ | 184 |
| 35 to 54 | 86 |
| 55 to 64 | 59 |
| 18 to 34 | 29 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 539 | 4.44% |
| Hispanic | 120 | 5.36% |
| Black | 25 | 3.2% |
| 2+ Races | 13 | 1.74% |
| Other Race | 11 | 1.56% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
2.63%
Veteran Poverty Rate
34.68%
Veteran Disability Rate
LaborForceParticipation
71.3%
Labor Force Participation
69.2%
Employment Rate
3%
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
82.69%
Born in Holtsville
87.77%
Native Born
12.23%
Foreign Born
5.78%
Non Citizen
6.46%
Naturalized
87.77% of Holtsville residents were born in the United States, with 82.69% having been born in New York. 5.78% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 19,578 | -9 | -0.05% |
| 2023 | 19,587 | -10 | -0.05% |
| 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% |