Seaford is a CDP located in Nassau County New York. Seaford has a 2024 population of 15,946. Seaford is currently growing at a rate of 0.29% annually and its population has increased by 5.23% since the most recent census, which recorded a population of 15,153 in 2020.
The average household income in Seaford is $186,636 with a poverty rate of 3.07%. The median age in Seaford is 40.4 years: 37.4 years for males, and 42.5 years for females.
According to the most recent ACS, the racial composition of Seaford was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,846 | 87.17% |
| Asian | 619 | 3.9% |
| Two or more races | 577 | 3.63% |
| Other race | 425 | 2.68% |
| Black or African American | 381 | 2.4% |
| Native American | 36 | 0.23% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Asian
Two or more races
Other race
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 5,195 | 3.04 | 93.4 | 6.6 |
| Married | 3,411 | 3.49 | 97.3 | 2.7 |
| Non Family | 1,008 | 1.18 | 82 | 18 |
| Female | 678 | 3.66 | 89.7 | 10.3 |
| Male | 98 | 2.55 | 100 | 0 |
3.42
Average Family Size
3.04
Average Household Size
93.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 182 | 1.66% |
| Associates Degree | 1,179 | 10.76% |
| Bachelors Degree | 2,632 | 24.03% |
| Graduate Degree | 2,141 | 19.54% |
| High School Graduate | 2,386 | 21.78% |
| Less Than 9th Grade | 196 | 1.79% |
| Some College | 2,239 | 20.44% |
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 | 9,312 | 9,011 | 3,971 |
| Hispanic | 751 | 699 | 219 |
| Asian | 473 | 460 | 396 |
| 2+ Races | 349 | 348 | 92 |
| Black | 246 | 243 | 109 |
| Other Race | 231 | 222 | 93 |
| Native American | 28 | 28 | 24 |
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 native american people with a rate of 85.71%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $105,352 | $112,850 | $100,625 |
| Graduate Degree | $109,561 | $110,521 | $109,392 |
| High School Graduate | $46,915 | $62,000 | $31,932 |
| Less Than 9th Grade | $47,552 | $0 | $0 |
| Overall | $85,802 | $91,552 | $72,443 |
| Some College | $67,743 | $90,396 | $35,313 |
$85,802
Average Earnings
$91,552
Average Male
$72,443
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
87.98% of Seaford residents speak only English, while 12.02% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.15% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 13,169 | 321 | 2.44% |
| Hispanic | 1,274 | 160 | 12.56% |
| Other | 425 | 109 | 25.65% |
| Black | 381 | 4 | 1.05% |
3.07%
Overall Poverty Rate
3.65%
Male Poverty Rate
2.47%
Female Poverty Rate
The race most likely to be in poverty in Seaford is Other, with 25.65% below the poverty level.
The race least likely to be in poverty in Seaford is Black, with 1.05% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.22%. Among those working part-time, it was 2.14%, and for those that did not work, the poverty rate was 5.9%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 23.02% |
| High School | 7.17% |
| Bachelors or Greater | 1.01% |
| Some College | 0.79% |
rate
Rate | Poverty |
|---|---|
| Male Unemployed | 11.43% |
| Male Employed | 1.96% |
| Female Employed | 1.24% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $177,560 | $202,858 |
| Households | $156,488 | $186,636 |
| Married Families | $185,664 | $-999,999,999 |
| Non Families | $66,731 | $87,499 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
55.3%
Overall Marriage Rate
56.5%
Male Marriage Rate
54.1%
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 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
466
Number of Veterans
449
Male Veterans
17
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 204 |
| Second Gulf War | 107 |
| Korea | 74 |
| First Gulf War | 27 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 75+ | 218 |
| 65 to 74 | 118 |
| 35 to 54 | 68 |
| 55 to 64 | 50 |
| 18 to 34 | 12 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 428 | 3.87% |
| 2+ Races | 21 | 6.02% |
| Hispanic | 21 | 2.37% |
| Asian | 17 | 3.59% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
25.75%
Veteran Disability Rate
LaborForceParticipation
68%
Labor Force Participation
64%
Employment Rate
5.9%
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
86.67%
Born in Seaford
92.55%
Native Born
7.45%
Foreign Born
0.37%
Non Citizen
7.08%
Naturalized
92.55% of Seaford residents were born in the United States, with 86.67% having been born in New York. 0.37% 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 | 15,946 | 46 | 0.29% |
| 2023 | 15,900 | 47 | 0.3% |
| 2022 | 15,853 | 217 | 1.39% |
| 2021 | 15,636 | 483 | 3.19% |
| 2020 | 15,153 | 113 | 0.75% |
| 2019 | 15,040 | -73 | -0.48% |
| 2018 | 15,113 | -292 | -1.9% |
| 2017 | 15,405 | -486 | -3.06% |
| 2016 | 15,891 | 235 | 1.5% |
| 2015 | 15,656 | 251 | 1.63% |
| 2014 | 15,405 | -122 | -0.79% |
| 2013 | 15,527 | 276 | 1.81% |
| 2012 | 15,251 | 186 | 1.23% |
| 2011 | 15,065 | -229 | -1.5% |
| 2010 | 15,294 | 0 | 0% |