US Census Data

Islip Terrace vs West Sayville

A side-by-side comparison of Islip Terrace and West Sayville: population, income, housing, and more.

Islip Terrace and West Sayville are places in New York. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Islip Terrace has the higher population (5,223 vs 4,944 in West Sayville). Islip Terrace has the higher median household income ($155,741 vs $154,531 in West Sayville). West Sayville has the higher median home value ($558,400 vs $479,800 in Islip Terrace).

Population, income & housing

Islip TerraceWest Sayville
Population5,2234,944
Median age41.9 yrs45.8 yrs
Median household income$155,741$154,531
Median home value$479,800$558,400
Median gross rent$2,712$2,537
Housing units1,8212,055
Homeownership rate91.0%88.7%
Bachelor's degree or higher33.7%40.8%
Unemployment rate0.3%2.8%

Trends (ACS 5-year, 2019–2023)

Islip TerraceWest Sayville
Population5,579 → 5,223 (-6.4%)5,010 → 4,944 (-1.3%)
Median household income$121,010 → $155,741 (+28.7%)$110,250 → $154,531 (+40.2%)
Median home value$359,300 → $479,800 (+33.5%)$389,200 → $558,400 (+43.5%)
Median gross rent$2,412 → $2,712 (+12.4%)$1,619 → $2,537 (+56.7%)

Islip Terrace

Population
5,5795,223
Median household income
$121,010$155,741
Median home value
$359,300$479,800
Median gross rent
$2,412$2,712

West Sayville

Population
5,0104,944
Median household income
$110,250$154,531
Median home value
$389,200$558,400
Median gross rent
$1,619$2,537

Age & race/ethnicity

Age distribution (share)

Islip TerraceWest Sayville
Under 54.8%5.2%
5 to 1713.8%13.2%
18 to 2410.3%6.9%
25 to 3413.4%10.1%
35 to 4413.6%13.3%
45 to 5414.4%12.8%
55 to 6416.6%19.1%
65 to 749.3%14.5%
75 and over3.7%4.9%

Race & ethnicity (share)

Islip TerraceWest Sayville
White (non-Hispanic)80.4%90.3%
Black or African American0.3%1.2%
American Indian & Alaska Native0.0%0.0%
Asian0.5%2.5%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.5%
Two or more races1.6%1.0%
Hispanic or Latino17.1%4.4%

Educational attainment (age 25+)

Share of adults 25+

Islip TerraceWest Sayville
No high school diploma5.3%5.4%
High school graduate31.2%21.0%
Some college or associate's29.8%32.8%
Bachelor's degree16.4%19.2%
Graduate or professional degree17.3%21.6%

Commute to work

How workers get to work (share)

Islip TerraceWest Sayville
Drove alone87.2%80.0%
Carpooled1.7%3.0%
Public transit3.8%4.9%
Walked0.0%0.4%
Bicycle0.5%0.0%
Worked from home6.8%10.1%
Other means0.0%1.5%

Housing

Units in structure (share)

Islip TerraceWest Sayville
1-unit, detached95.1%88.6%
1-unit, attached2.9%0.5%
2 to 4 units1.1%7.5%
5 to 19 units0.9%0.6%
20 or more units0.0%2.7%
Mobile home & other0.0%0.0%

Poverty & households

Islip TerraceWest Sayville
Poverty rate3.4%1.8%
Average household size3.012.74
Mean commute (minutes)3030
Median year structure built19631957

Full profiles

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