Roslyn is a city in Kittitas County, Washington, home to about 1,076 people across 4.4 square miles. Its ZIP code is 98941, and parts of 98925 and 98940 are in Roslyn too.
Homes sold for a median of $454 per square foot in the three months ending August 2026, a balanced market.
Mostly Roslyn
Mostly Easton; part is in Roslyn
Part is in Roslyn, part in Ronald
Each card is that ZIP code’s whole market, including any part outside Roslyn. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Roslyn’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Seattle–Tacoma International Airport (SEA)57 miles away |
|---|---|
| Closer regional airport | Pangborn Memorial Airport (EAT)45 miles away |
| Nearest city of 250,000+ | Seattle, WA63 miles away |
Straight-line distances from the center of Roslyn; 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.
Roslyn had 950 residents in the 2020 census, down 7% since 2000.
It’s the 390th largest of 628 towns in Washington by population.
Kittitas County grew from 9,704 residents in 1900 to 44,337 in 2020.
Kittitas County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 76°F in summer, and winter lows average 25°F. About 49.8 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Easton, WA weather station (3 miles away).
13,283 jobs at 1,500 businesses in Kittitas County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Roslyn.
Nearest hospitals
Providers with an office here
| Mental health providers | 1 |
|---|---|
| Physical and occupational therapists | 1 |
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 (1 nearby)
Theaters and performance venues
Counts are within about 1.5 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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Shares ZIP codes with Easton and Ronald.
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.