Seaford

Population: 15,884
Median household income: $156,488
Median home value: $631,000

Located in Nassau County, New York, Seaford is a community with a population of 15,884. At $156,488, its median household income sits above Nassau County's $143,408.

Between 2019 and 2023, Seaford's population grew 5.6% from 15,040 to 15,884, while its median home value rose 30.9% from $481,900 to $631,000.

White (non-Hispanic) residents are the largest group, 83.3% of the population. 65.6% of workers drive to work alone.

Demographics

ACS 2019–2023

Population: 15,884
Median age: 40.4 yrs
Median household income: $156,488
Median home value: $631,000
Median gross rent: $2,612
Housing units: 5,379
Homeownership rate: 93.4%
Bachelor's degree or higher: 43.6%
Unemployment rate: 5.9%

Trends

ACS 5-year · 2019–2023

Population

15,04015,884

Median household income

$133,278$156,488

Median home value

$481,900$631,000

Median gross rent

$2,175$2,612

Year	Population	Median household income	Median home value	Median gross rent
2019	15,040	$133,278	$481,900	$2,175
2020	15,153	$136,202	$508,400	$2,161
2021	15,636	$144,167	$538,300	$2,294
2022	15,853	$149,413	$612,400	$2,513
2023	15,884	$156,488	$631,000	$2,612

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 53.8%

5 to 1717.7%

18 to 249.5%

25 to 3414.1%

35 to 4410.3%

45 to 5411.5%

55 to 6416.6%

65 to 749.2%

75 and over7.2%

	Count	Share
Under 5	609	3.8%
5 to 17	2,811	17.7%
18 to 24	1,509	9.5%
25 to 34	2,242	14.1%
35 to 44	1,642	10.3%
45 to 54	1,833	11.5%
55 to 64	2,636	16.6%
65 to 74	1,454	9.2%
75 and over	1,148	7.2%

Race & ethnicity

	Count	Share
White (non-Hispanic)	13,232	83.3%
Black or African American	360	2.3%
American Indian & Alaska Native	32	0.2%
Asian	603	3.8%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	119	0.7%
Two or more races	264	1.7%
Hispanic or Latino (any race)	1,274	8.0%

Educational attainment (age 25+)

No high school diploma3.5%

High school graduate21.8%

Some college or associate's31.2%

Bachelor's degree24.0%

Graduate or professional degree19.5%

	Count	Share
No high school diploma	378	3.5%
High school graduate	2,386	21.8%
Some college or associate's	3,418	31.2%
Bachelor's degree	2,632	24.0%
Graduate or professional degree	2,141	19.5%

Commute to work

Mean travel time to work: 39 min

Drove alone65.6%

Carpooled6.5%

Public transit17.2%

Walked0.6%

Bicycle0.0%

Worked from home9.9%

Other means0.2%

How workers get to work

	Count	Share
Drove alone	5,349	65.6%
Carpooled	530	6.5%
Public transit	1,401	17.2%
Walked	53	0.6%
Bicycle	0	0.0%
Worked from home	807	9.9%
Other means	18	0.2%

Travel time

	Count	Share
Under 15 min	1,101	15.0%
15 to 29 min	2,158	29.4%
30 to 44 min	1,543	21.0%
45 to 59 min	462	6.3%
60+ min	2,087	28.4%

Households

Average household size: 3.04
Poverty rate: 3.1% (485 of 15,813)

	Count	Share
Family households	4,187	80.6%
Nonfamily households	1,008	19.4%

Housing

Median year structure built: 1957

Occupancy

	Count	Share
Occupied	5,195	96.6%
Vacant	184	3.4%

Tenure (of occupied units)

	Count	Share
Owner-occupied	4,852	93.4%
Renter-occupied	343	6.6%

1-unit, detached93.2%

1-unit, attached1.0%

2 to 4 units2.7%

5 to 19 units1.5%

20 or more units1.0%

Mobile home & other0.6%

Units in structure

	Count	Share
1-unit, detached	5,011	93.2%
1-unit, attached	54	1.0%
2 to 4 units	147	2.7%
5 to 19 units	83	1.5%
20 or more units	52	1.0%
Mobile home & other	32	0.6%

Geography

Place GEOID: 3666058
Type (LSAD): 57
Land area: 2.61 sq mi
Water area: 0.06 sq mi
Center point: 40.6662, -73.4926

Compare with nearby cities

Other places in Nassau County

132