Marietta-Alderwood vs Sumas

A side-by-side comparison of Marietta-Alderwood and Sumas: population, income, housing, and more.

Marietta-Alderwood and Sumas are places in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Marietta-Alderwood has the higher population (3,569 vs 1,384 in Sumas). Sumas has the higher median household income ($86,500 vs $62,243 in Marietta-Alderwood). Marietta-Alderwood has the higher median home value ($493,200 vs $362,000 in Sumas).

Population, income & housing

	Marietta-Alderwood	Sumas
Population	3,569	1,384
Median age	40.5 yrs	32.1 yrs
Median household income	$62,243	$86,500
Median home value	$493,200	$362,000
Median gross rent	$1,450	$997
Housing units	1,560	579
Homeownership rate	49.3%	68.5%
Bachelor's degree or higher	33.1%	12.7%
Unemployment rate	2.1%	2.5%

Trends (ACS 5-year, 2019–2023)

	Marietta-Alderwood	Sumas
Population	4,086 → 3,569 (-12.7%)	1,703 → 1,384 (-18.7%)
Median household income	$50,808 → $62,243 (+22.5%)	$55,225 → $86,500 (+56.6%)
Median home value	$352,500 → $493,200 (+39.9%)	$220,000 → $362,000 (+64.5%)
Median gross rent	$1,085 → $1,450 (+33.6%)	$831 → $997 (+20.0%)

Marietta-Alderwood

Population

4,0863,569

Median household income

$50,808$62,243

Median home value

$352,500$493,200

Median gross rent

$1,085$1,450

Sumas

Population

1,7031,384

Median household income

$55,225$86,500

Median home value

$220,000$362,000

Median gross rent

$831$997

Age & race/ethnicity

Age distribution (share)

	Marietta-Alderwood	Sumas
Under 5	1.3%	7.9%
5 to 17	18.0%	19.9%
18 to 24	11.2%	8.9%
25 to 34	12.7%	16.4%
35 to 44	16.6%	13.4%
45 to 54	11.5%	14.5%
55 to 64	10.2%	9.4%
65 to 74	12.3%	5.9%
75 and over	6.1%	3.8%

Race & ethnicity (share)

	Marietta-Alderwood	Sumas
White (non-Hispanic)	68.6%	73.5%
Black or African American	0.0%	0.2%
American Indian & Alaska Native	0.8%	2.2%
Asian	4.3%	2.1%
Native Hawaiian & Pacific Islander	1.2%	0.0%
Some other race	0.0%	0.3%
Two or more races	13.9%	7.8%
Hispanic or Latino	11.2%	13.9%

Educational attainment (age 25+)

Share of adults 25+

	Marietta-Alderwood	Sumas
No high school diploma	6.2%	16.8%
High school graduate	22.5%	29.0%
Some college or associate's	38.3%	41.6%
Bachelor's degree	24.0%	6.7%
Graduate or professional degree	9.1%	5.9%

Commute to work

How workers get to work (share)

	Marietta-Alderwood	Sumas
Drove alone	84.3%	80.8%
Carpooled	4.6%	9.3%
Public transit	0.0%	0.0%
Walked	0.9%	0.0%
Bicycle	1.5%	0.0%
Worked from home	8.7%	9.5%
Other means	0.0%	0.5%

Housing

Units in structure (share)

	Marietta-Alderwood	Sumas
1-unit, detached	43.1%	69.1%
1-unit, attached	2.1%	2.9%
2 to 4 units	6.7%	14.0%
5 to 19 units	33.2%	7.6%
20 or more units	6.4%	0.3%
Mobile home & other	8.6%	6.0%

Poverty & households

	Marietta-Alderwood	Sumas
Poverty rate	12.6%	11.3%
Average household size	2.34	2.59
Mean commute (minutes)	16	29
Median year structure built	1980	1983