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Advertise here →Marietta-Alderwood, WA · Market Data
Marietta-Alderwood, Washington real estate market data.
Real estate market data for Marietta-Alderwood, WA (Whatcom County) — Census median home value $493,200, county listing prices down about 4.8% over the past year.
Marietta-Alderwood, WA is in Whatcom County, Washington — covering the whole local market here: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 3,569, with a median household income of $62,243. Census data puts Marietta-Alderwood's median home value at $493,200 (all owner-occupied homes); Whatcom County's current median listing price runs $667,475, down about 4.8% over the past year.
At a glance
Marietta-Alderwood market snapshot
Population
3,569
Median Household Income
$62,243
Median Home Value (city)
$493,200
Median Listing Price (Whatcom County)
$667,475
Median Gross Rent
$1,450/mo
Price Trend (YoY)
-4.8%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. Full source list ↗
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Advertise here →Why Marietta-Alderwood
What makes Marietta-Alderwood different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Marietta-Alderwood's median home value — across all owner-occupied homes, not just recent sales — at $493,200. Separately, Whatcom County's current median listing price (via Realtor.com data, 2026-06-01) runs $667,475. These cover different geography (city vs. county) and different measures (assessed value vs. active listings), which is why we show both rather than picking one — full source list on our data sources page.
County Price Trend
Whatcom County's FHFA house price index shows a 2.08% annual change in 2025.
Population & Income
Marietta-Alderwood has an estimated population of 3,569 and a median household income of $62,243, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Marietta-Alderwood's Census-reported median home value works out to about 7.9x the area's median household income, and median gross rent runs roughly 28% of that same income on an annualized basis. Housing economists commonly flag a price-to-income ratio above 4x as historically elevated -- useful context, not a personal affordability verdict.
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Common questions
Marietta-Alderwood FAQ
What are home values like in Marietta-Alderwood, WA?
The Census Bureau's American Community Survey puts Marietta-Alderwood's median home value at $493,200. Whatcom County's current median listing price runs $667,475, down about 4.8% over the past year.
What is the population of Marietta-Alderwood, WA?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Marietta-Alderwood's population at approximately 3,569.
What's the median rent in Marietta-Alderwood, WA?
The Census ACS estimates median gross rent in Marietta-Alderwood at approximately $1,450 per month.
What is the median household income in Marietta-Alderwood, WA?
Census ACS data puts the median household income in Marietta-Alderwood at approximately $62,243.
Is the Marietta-Alderwood housing market growing?
Whatcom County's FHFA house price index shows a 2.08% annual change in 2025.
Is Marietta-Alderwood, WA affordable relative to income?
Census ACS data puts Marietta-Alderwood's median home value at about 7.9 times the median household income, with median gross rent equal to roughly 28% of that income annually. This is a general benchmark, not a personal pre-qualification -- your own income, debt, and down payment determine what you can actually afford.
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