Marietta-Alderwood vs Sudden Valley

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

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

Sudden Valley has the higher population (6,963 vs 3,569 in Marietta-Alderwood). Sudden Valley has the higher median household income ($98,865 vs $62,243 in Marietta-Alderwood). Marietta-Alderwood has the higher median home value ($493,200 vs $450,500 in Sudden Valley).

Population, income & housing

	Marietta-Alderwood	Sudden Valley
Population	3,569	6,963
Median age	40.5 yrs	41.9 yrs
Median household income	$62,243	$98,865
Median home value	$493,200	$450,500
Median gross rent	$1,450	$1,930
Housing units	1,560	3,068
Homeownership rate	49.3%	92.5%
Bachelor's degree or higher	33.1%	49.8%
Unemployment rate	2.1%	2.5%

Trends (ACS 5-year, 2019–2023)

	Marietta-Alderwood	Sudden Valley
Population	4,086 → 3,569 (-12.7%)	8,072 → 6,963 (-13.7%)
Median household income	$50,808 → $62,243 (+22.5%)	$86,064 → $98,865 (+14.9%)
Median home value	$352,500 → $493,200 (+39.9%)	$314,300 → $450,500 (+43.3%)
Median gross rent	$1,085 → $1,450 (+33.6%)	$1,800 → $1,930 (+7.2%)

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

Sudden Valley

Population

8,0726,963

Median household income

$86,064$98,865

Median home value

$314,300$450,500

Median gross rent

$1,800$1,930

Age & race/ethnicity

Age distribution (share)

	Marietta-Alderwood	Sudden Valley
Under 5	1.3%	4.2%
5 to 17	18.0%	15.5%
18 to 24	11.2%	3.1%
25 to 34	12.7%	17.4%
35 to 44	16.6%	14.2%
45 to 54	11.5%	11.7%
55 to 64	10.2%	12.4%
65 to 74	12.3%	13.5%
75 and over	6.1%	8.0%

Race & ethnicity (share)

	Marietta-Alderwood	Sudden Valley
White (non-Hispanic)	68.6%	77.0%
Black or African American	0.0%	0.4%
American Indian & Alaska Native	0.8%	0.0%
Asian	4.3%	1.9%
Native Hawaiian & Pacific Islander	1.2%	0.4%
Some other race	0.0%	1.0%
Two or more races	13.9%	9.4%
Hispanic or Latino	11.2%	9.9%

Educational attainment (age 25+)

Share of adults 25+

	Marietta-Alderwood	Sudden Valley
No high school diploma	6.2%	2.5%
High school graduate	22.5%	13.2%
Some college or associate's	38.3%	34.5%
Bachelor's degree	24.0%	30.7%
Graduate or professional degree	9.1%	19.1%

Commute to work

How workers get to work (share)

	Marietta-Alderwood	Sudden Valley
Drove alone	84.3%	73.4%
Carpooled	4.6%	11.1%
Public transit	0.0%	1.0%
Walked	0.9%	0.1%
Bicycle	1.5%	0.5%
Worked from home	8.7%	13.0%
Other means	0.0%	0.9%

Housing

Units in structure (share)

	Marietta-Alderwood	Sudden Valley
1-unit, detached	43.1%	90.0%
1-unit, attached	2.1%	3.3%
2 to 4 units	6.7%	2.9%
5 to 19 units	33.2%	3.3%
20 or more units	6.4%	0.4%
Mobile home & other	8.6%	0.0%

Poverty & households

	Marietta-Alderwood	Sudden Valley
Poverty rate	12.6%	5.5%
Average household size	2.34	2.45
Mean commute (minutes)	16	32
Median year structure built	1980	1992