Duvall is a city in King County, Washington, home to about 8,526 people across 2.5 square miles. Its ZIP code is 98019.
Homes sold for a median of $421 per square foot in the three months ending August 2026, a seller’s market.
Mostly Duvall; also Cottage Lake
Each card is that ZIP code’s whole market, including any part outside Duvall. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Duvall’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)26 miles away |
|---|---|
| Closer regional airport | Seattle Paine Field International Airport (PAE)20 miles away |
| Nearest city of 250,000+ | Seattle, WA21 miles away |
Straight-line distances from the center of Duvall; 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.
Duvall had 8,034 residents in the 2020 census, up 74% since 2000.
It’s the 147th largest of 628 towns in Washington by population.
King County grew from 110,053 residents in 1900 to 2,269,675 in 2020.
King County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 75°F in summer, and winter lows average 32°F. About 50.8 inches of rain and melted snow fall in a typical year, with about 3 inches of snow.
Source: NOAA 1991–2020 climate normals, Monroe, WA weather station (9 miles away).
1,305,947 jobs at 70,376 businesses in King County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
84 doctors and other health care providers list an office in Duvall.
Nearest hospitals
Providers with an office here
| Primary care doctors | 6 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 13 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 46 |
| Physical and occupational therapists | 8 |
| Optometrists | 2 |
| Chiropractors | 4 |
| Pharmacies | 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.
Grocery stores
Libraries
Museums
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.
Established in 1913.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Riverview School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Cherry Valley Elementary SchoolDuvall | K–5 | 445 | Public | 2.6 mi |
| Cedarcrest High SchoolDuvall | 9–12 | 889 | Public | 1.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Hillside AcademyDuvall | Pre-K–8 | 39 | Christian (no specific denomination) | 2.7 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Cottage Lake.
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.