Marrowstone is a community in Jefferson County, Washington, home to about 1,164 people across 6.3 square miles. Its ZIP code is 98358.
Homes sold for a median of $430 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Marrowstone. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Seattle–Tacoma International Airport (SEA)45 miles away |
|---|---|
| Closer regional airport | Seattle Paine Field International Airport (PAE)21 miles away |
| Nearest city of 250,000+ | Seattle, WA33 miles away |
Straight-line distances from the center of Marrowstone; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Marrowstone had 995 residents in the 2020 census, up 19% since 2000.
It’s the 383rd largest of 628 towns in Washington by population.
Jefferson County grew from 5,712 residents in 1900 to 32,977 in 2020.
Jefferson County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 73°F in summer, and winter lows average 38°F. About 19 inches of rain and melted snow fall in a typical year, with about 1 inches of snow.
Source: NOAA 1991–2020 climate normals, Port Townsend, WA weather station (6 miles away).
7,237 jobs at 991 businesses in Jefferson County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
3 doctors and other health care providers list an office in Marrowstone.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|---|
| Mental health providers | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (3 nearby)
Grocery stores
Libraries
Museums
Theaters and performance venues
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.