Greenlawn vs Sayville

A side-by-side comparison of Greenlawn and Sayville: population, income, housing, and more.

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

Sayville has the higher population (15,593 vs 14,986 in Greenlawn). Greenlawn has the higher median household income ($161,442 vs $145,278 in Sayville). Greenlawn has the higher median home value ($626,700 vs $615,700 in Sayville).

Population, income & housing

	Greenlawn	Sayville
Population	14,986	15,593
Median age	39.7 yrs	44.6 yrs
Median household income	$161,442	$145,278
Median home value	$626,700	$615,700
Median gross rent	—	$2,339
Housing units	4,746	5,948
Homeownership rate	83.8%	77.0%
Bachelor's degree or higher	48.0%	54.0%
Unemployment rate	3.0%	2.8%

Trends (ACS 5-year, 2019–2023)

	Greenlawn	Sayville
Population	14,392 → 14,986 (+4.1%)	15,910 → 15,593 (-2.0%)
Median household income	$112,333 → $161,442 (+43.7%)	$116,005 → $145,278 (+25.2%)
Median home value	$489,900 → $626,700 (+27.9%)	$451,400 → $615,700 (+36.4%)
Median gross rent	$641 → $1,372 (+114.0%)	$1,866 → $2,339 (+25.3%)

Greenlawn

Population

14,39214,986

Median household income

$112,333$161,442

Median home value

$489,900$626,700

Median gross rent

$641$1,372

Sayville

Population

15,91015,593

Median household income

$116,005$145,278

Median home value

$451,400$615,700

Median gross rent

$1,866$2,339

Age & race/ethnicity

Age distribution (share)

	Greenlawn	Sayville
Under 5	4.6%	4.8%
5 to 17	20.4%	17.5%
18 to 24	8.2%	6.7%
25 to 34	10.3%	10.1%
35 to 44	12.8%	11.5%
45 to 54	11.8%	14.1%
55 to 64	14.0%	14.5%
65 to 74	10.2%	10.9%
75 and over	7.7%	9.8%

Race & ethnicity (share)

	Greenlawn	Sayville
White (non-Hispanic)	55.4%	88.3%
Black or African American	13.2%	0.7%
American Indian & Alaska Native	0.0%	0.0%
Asian	3.7%	1.3%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.6%	0.2%
Two or more races	3.7%	3.2%
Hispanic or Latino	23.4%	6.3%

Educational attainment (age 25+)

Share of adults 25+

	Greenlawn	Sayville
No high school diploma	7.0%	4.7%
High school graduate	22.2%	17.2%
Some college or associate's	22.8%	24.1%
Bachelor's degree	24.3%	30.2%
Graduate or professional degree	23.7%	23.8%

Commute to work

How workers get to work (share)

	Greenlawn	Sayville
Drove alone	62.9%	77.9%
Carpooled	9.0%	3.4%
Public transit	9.2%	3.7%
Walked	0.6%	0.7%
Bicycle	0.0%	0.0%
Worked from home	15.8%	13.4%
Other means	2.5%	1.0%

Housing

Units in structure (share)

	Greenlawn	Sayville
1-unit, detached	85.2%	77.0%
1-unit, attached	4.3%	3.2%
2 to 4 units	4.4%	7.5%
5 to 19 units	4.3%	7.3%
20 or more units	1.8%	4.9%
Mobile home & other	0.0%	0.1%

Poverty & households

	Greenlawn	Sayville
Poverty rate	5.6%	5.5%
Average household size	3.14	2.67
Mean commute (minutes)	36	31
Median year structure built	1963	1965