Mason Neck vs Sully Square

A side-by-side comparison of Mason Neck and Sully Square: population, income, housing, and more.

Mason Neck and Sully Square are places in Virginia. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Sully Square has the higher population (2,668 vs 2,059 in Mason Neck). Sully Square has the higher median household income ($210,746 vs $189,688 in Mason Neck). Mason Neck has the higher median home value ($798,000 vs $709,400 in Sully Square).

Population, income & housing

	Mason Neck	Sully Square
Population	2,059	2,668
Median age	48.0 yrs	32.9 yrs
Median household income	$189,688	$210,746
Median home value	$798,000	$709,400
Median gross rent	$3,501	$2,253
Housing units	740	928
Homeownership rate	94.4%	57.0%
Bachelor's degree or higher	52.0%	84.7%
Unemployment rate	2.4%	0.0%

Trends (ACS 5-year, 2019–2023)

	Mason Neck	Sully Square
Population	1,986 → 2,059 (+3.7%)	1,918 → 2,668 (+39.1%)
Median household income	$142,125 → $189,688 (+33.5%)	$164,750 → $210,746 (+27.9%)
Median home value	$682,900 → $798,000 (+16.9%)	$581,200 → $709,400 (+22.1%)
Median gross rent	$2,563 → $3,501 (+36.6%)	$2,153 → $2,253 (+4.6%)

Mason Neck

Population

1,9862,059

Median household income

$142,125$189,688

Median home value

$682,900$798,000

Median gross rent

$2,563$3,501

Sully Square

Population

1,9182,668

Median household income

$164,750$210,746

Median home value

$581,200$709,400

Median gross rent

$2,153$2,253

Age & race/ethnicity

Age distribution (share)

	Mason Neck	Sully Square
Under 5	4.4%	7.2%
5 to 17	18.5%	27.4%
18 to 24	7.1%	1.5%
25 to 34	7.0%	16.8%
35 to 44	9.6%	30.2%
45 to 54	13.3%	9.7%
55 to 64	21.8%	2.6%
65 to 74	10.7%	2.5%
75 and over	7.7%	2.0%

Race & ethnicity (share)

	Mason Neck	Sully Square
White (non-Hispanic)	65.4%	16.9%
Black or African American	5.1%	1.8%
American Indian & Alaska Native	0.0%	0.2%
Asian	6.7%	72.8%
Native Hawaiian & Pacific Islander	0.2%	0.0%
Some other race	1.8%	0.3%
Two or more races	4.1%	0.6%
Hispanic or Latino	16.8%	7.3%

Educational attainment (age 25+)

Share of adults 25+

	Mason Neck	Sully Square
No high school diploma	4.0%	0.6%
High school graduate	23.7%	7.5%
Some college or associate's	20.3%	7.2%
Bachelor's degree	22.3%	37.6%
Graduate or professional degree	29.8%	47.1%

Commute to work

How workers get to work (share)

	Mason Neck	Sully Square
Drove alone	67.5%	39.8%
Carpooled	5.3%	15.6%
Public transit	1.1%	5.9%
Walked	0.9%	0.0%
Bicycle	0.7%	0.8%
Worked from home	23.1%	36.9%
Other means	1.3%	1.2%

Housing

Units in structure (share)

	Mason Neck	Sully Square
1-unit, detached	100.0%	0.5%
1-unit, attached	0.0%	46.2%
2 to 4 units	0.0%	8.8%
5 to 19 units	0.0%	2.4%
20 or more units	0.0%	42.0%
Mobile home & other	0.0%	0.0%

Poverty & households

	Mason Neck	Sully Square
Poverty rate	2.2%	1.0%
Average household size	2.95	2.88
Mean commute (minutes)	31	32
Median year structure built	1975	—