Mill Creek is a city in Snohomish County, Washington, home to about 20,956 people across 4.6 square miles. It has no ZIP code of its own: it’s part of 98012.
Homes sold for a median of $437 per square foot in the three months ending August 2026, a seller’s market.
Mostly Mill Creek East; part is in Mill Creek
Each card is that ZIP code’s whole market, including any part outside Mill Creek. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mill Creek’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)28 miles away |
|---|---|
| Closer regional airport | Seattle Paine Field International Airport (PAE)6 miles away |
| Nearest city of 250,000+ | Seattle, WA17 miles away |
Straight-line distances from the center of Mill Creek; 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.
Mill Creek had 20,926 residents in the 2020 census, up 82% since 2000.
It’s the 72nd largest of 628 towns in Washington by population.
Snohomish County grew from 23,950 residents in 1900 to 827,957 in 2020.
Snohomish 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 36°F. About 33.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Everett Snohomish Ap, WA weather station (6 miles away).
283,649 jobs at 20,258 businesses in Snohomish County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
445 doctors and other health care providers list an office in Mill Creek.
Nearest hospitals
Providers with an office here
| Primary care doctors | 38 |
|---|---|
| Specialist doctors | 21 |
| Dentists | 62 |
| Nurse practitioners and physician assistants | 51 |
| Mental health providers | 152 |
| Physical and occupational therapists | 71 |
| Optometrists | 19 |
| Chiropractors | 31 |
| Pharmacies | 12 |
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 (16 nearby)
Grocery stores (3 nearby)
Pharmacies (3 nearby)
Libraries (1 nearby)
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.
Public schools here are run by Everett School District, Northshore School District, Edmonds School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Cedar Wood ElementaryBothell | Pre-K–5 | 682 | Public | 0.5 mi |
| Fernwood ElementaryBothell | Pre-K–5 | 714 | Public | 1.6 mi |
| Mill Creek ElementaryMill Creek | Pre-K–5 | 694 | Public | 1.6 mi |
| Tambark Creek Elementary SchoolBothell | Pre-K–5 | 740 | Public | 1.1 mi |
| Woodside ElementaryBothell | Pre-K–5 | 581 | Public | 0.4 mi |
| Heatherwood Middle SchoolMill Creek | 6–8 | 1,031 | Public | 2.3 mi |
| Henry M. Jackson High SchoolMill Creek | 9–12 | 2,148 | Public | 2.4 mi |
| Lynnwood High SchoolBothell | 9–12 | 1,335 | Public | 2.0 mi |
| North Creek High SchoolBothell | 9–12 | 1,910 | Public | 1.3 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Ridge Christian AcademyBothell | Pre-K–4 | 31 | Christian (no specific denomination) | 2.0 mi |
| The Clearwater SchoolBothell | K–12 | 70 | Nonsectarian | 1.5 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 Mill Creek East, Martha Lake, Bothell West, Bothell East and Silver Firs.
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.