The Town Files

Seaford, New York

Community in Nassau County · population 15,251 (2020 Census)

Map: where Seaford is in New YorkSeaford
Median home
$658,300
Household income
$172,557
Jan low / Jul high
28° / 85°
Snow a year
26 in
Tornadoes ≤10 mi since 1950
9
Median age
40.3

Seaford is a community of 15,251 people in Nassau County, New York. The median home is worth $658,300, above the typical New York town ($217,700). It ranks better for families than 96% of New York towns, more walkable than 94% of New York towns, more vibrant than 94% of New York towns.

How Seaford ranks

Percentile among New York towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of New York towns.

Seaford lifestyle rankings vs other New York townsRetirement7th pctFamilies96th pctQuiet11th pctWalkability94th pctFirst-time buyers59th pctYoung professionals70th pctVibrancy94th pctHip & trendy47th pctCollege town92nd pctUpscale84th pctVacation homesbottomSeaside character93rd pctCyclingbottomTransit86th pctDriving17th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Seaford is worth $658,300, above the typical New York town ($217,700). Homes cost about 3.8 times the median household income of $172,557, which is more affordable than 29% of New York towns. Median rent is $2,489 a month. 92.9% of households own their home.

Seaford vs Nassau County vs typical New York townSeafordNassau CountyTypical New York townHome value$658,300$684,700$217,700Household income$172,557$146,202$80,740Monthly rent$2,489$2,252$1,080
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of New York towns with 500+ people.
HousingSeafordTypical New York town
Median home value$658,300$217,700
Median rent$2,489$1,080
Median household income$172,557$80,740
Home value ÷ income3.8×2.8×
Homeownership92.9%79.5%
Median year built19581965
Seasonal / vacation homes0.0%—

Who lives in Seaford

PeopleSeafordTypical New York town
Median age40.343.5
Age 65 and over17.3%20.4%
Under 1821.9%—
Bachelor's degree or higher46.0%30.4%
Below the poverty line3.6%9.3%
Veterans5.2%—
Born outside the U.S.7.4%—
Work from home13.0%11.1%
Average commute38.4 min26.0 min
Homes with broadband93.5%91.1%

Weather in Seaford

July highs average 85.1°F and January lows 27.5°F. About 42.8 inches of rain and melted snow fall a year, with 25.5 inches of snow (typical New York town: 62.9 in). Expect about 9 days a year at 90°F or hotter and 77 nights at or below freezing.

Seaford monthly temperatures and precipitation20°30°40°50°60°70°80°90°32° freezing42°28°Jan44°29°Feb50°35°Mar60°43°Apr70°53°May79°63°Jun85°69°Jul84°68°Aug78°61°Sep67°50°Oct56°40°Nov47°33°DecPrecipitation (in) · snow (in) in blue3.35.72.87.64.14.83.81.03.33.83.23.73.63.73.10.24.36.2
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Wantagh Cedar Creek station (1.0 mi away); snow from Oceanside (7.4 mi).

Tornadoes, storms and disasters

9 tornadoes have passed within 10 miles of Seaford since 1950, compared with 5 for the typical New York town. 3 rated (E)F2 or stronger. The strongest, an F2, struck on September 7, 1998 about 9.9 miles from the town center. The most recent was on November 13, 2021.

Tornadoes within 10 miles of Seaford by decade01950s01960s41970s01980s11990s22000s12010s12020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 26 times; the largest was 2.00 inches on August 1, 2011.

Severe weather in Nassau County since 1996

Storm events in Nassau County since 1996 by typeHail72Flood21High Wind44Lightning23Heavy Rain23Heavy Snow26Flash Flood169Strong Wind34
NOAA Storm Events Database, Nassau County, 1996–2026 (all event types recorded since 1996). 38 deaths recorded.

Nassau County has been included in 31 federal disaster or emergency declarations since 1953, most often for fire, flood, other.

DeclaredIncidentDeclaration
January 30, 2024FloodDR-4755: Severe Storm And Flooding
September 5, 2021HurricaneDR-4615: Remnants Of Hurricane Ida
September 2, 2021HurricaneEM-3572: Remnants Of Hurricane Ida
August 22, 2021HurricaneEM-3565: Hurricane Henri
October 2, 2020HurricaneDR-4567: Tropical Storm Isaias

Jobs and pay in Nassau County

Nassau County had 631,563 jobs in 2024, paying an average of $77,454 a year. Unemployment was 3.1% in 2023; in Seaford itself the ACS puts it at 3.7%.

Largest industries in Nassau CountyHealth care & social assistan…142,241 jobs · $80,379Retail69,502 jobs · $48,698Hotels & restaurants52,626 jobs · $33,924Professional & technical serv…38,238 jobs · $108,412Administrative & support36,277 jobs · $66,177Construction32,192 jobs · $94,981
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Nassau County, 2000–20230%2%4%6%8%2000200420082012201620202023Nassau 3.1%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Seaford

5 public schools with 2,833 students, about 10.6 students per teacher.

SchoolGradesStudentsPer teacher
SEAFORD SENIOR HIGH SCHOOL9-1266810.1
EAST BROADWAY SCHOOLK-565913.2
SEAFORD HARBOR SCHOOLK-556411.5
SEAFORD MIDDLE SCHOOL6-84878.4
SEAFORD MANOR SCHOOLK-545510.3

Towns near Seaford

Seaford questions

Is Seaford, New York a good place to retire?

On The Town Files lifestyle rankings, Seaford scores better for retirees than 7% of New York towns and quieter than 11%. 17.3% of residents are 65 or older (median age 40.3).

How much does a house cost in Seaford?

The median owner-occupied home in Seaford is valued at $658,300 (Census ACS 2020–2024), against a median household income of $172,557, so homes cost about 3.8 times income. Median rent is $2,489 a month.

What is the weather like in Seaford?

July highs average 85.1°F and January lows 27.5°F (NOAA 1991–2020 normals). It gets about 42.8 inches of precipitation a year and 25.5 inches of snow.

Does Seaford get tornadoes?

9 tornadoes have passed within 10 miles of Seaford since 1950 (NOAA Storm Events); the strongest was a F2 on September 7, 1998. The typical New York town has had 5.

How this page is made. Every number comes from public data, matched to Seaford's Census boundary (GEOID 3666058). Comparisons use the median of New York towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-12.