Snohomish County GIS Maps
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Snohomish County, Washington, has 827,957 residents across 318,594 parcels and covers 2,086.5 square miles. The population grew 16.1% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Snohomish County is 53061.
Everett is the county's largest population center. Snohomish County also includes 27 zip codes, 15 public school districts and 22 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show parcel data, population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
Snohomish County Trends
- Population
- 827,957▴
- Median Home Value
- $644,600▴
- K-12 Enrollment
- 133,012▴
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Snohomish County Maps
The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.
County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.
Snohomish County Parcels
Snohomish County has 318,594 mapped parcels. The median assessed value is $631,200. Site addresses are on nearly every parcel. Assessed values reach 95.2%. Browse the interactive Snohomish County Parcel viewer here.
Snohomish County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 318,594 | 100% |
| Owner name | 0 | 0% |
| Owner mailing address | 0 | 0% |
| Site address | 313,992 | 98.6% |
| Land use code | 313,997 | 98.6% |
| Land use description | 0 | 0% |
| Assessed value | 303,237 | 95.2% |
| Land value | 318,594 | 100% |
| Improvement value | 318,594 | 100% |
| Acreage | 0 | 0% |
| Parcel boundary | 318,594 | 100% |
| Download all Snohomish County parcels. | ||
Field coverage measured across all Snohomish County parcel records.
Snohomish County Population
Snohomish County had 827,957 residents in 2020. That was 16.1% higher than in 2010. Snohomish County added 221,933 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 397 people per square mile. Some of the county's most populated postal areas include Everett, Everett and Lake Stevens.
Population Trend in Snohomish County WA
Snohomish County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Snohomish County Zip Codes
Snohomish County has 27 zip codes. Some of the county's most populated zip codes include Everett (98012), Everett (98208) and Lake Stevens (98258). Everett is the largest zip by population, with about 74,956 residents or 9% of the county total. Together, the three largest zips account for about 23% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Snohomish County WA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 98012 | Everett | 74,956 | ▴ 46.6% |
| 98208 | Everett | 60,019 | ▴ 15.9% |
| 98258 | Lake Stevens | 51,995 | ▴ 70.3% |
| 98270 | Marysville | 51,969 | ▴ 13.2% |
| 98223 | Arlington | 45,139 | ▴ 10.6% |
| Download all zip code data | |||
Snohomish County Zip Code populations and trends per most recent census data.
Snohomish County Demographics
Snohomish County has a median age of 38.4, which is close to the Washington average. About 22.4% of residents are under 18, while 14.4% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 36.5% of the population, which points to a solid working-age base. About 36.8% of adults have a bachelor's degree or higher, above the statewide figure of 38.8%. The county is majority White by population, with Hispanic, Asian, Black and multiracial residents making up a meaningful share of the local mix.
Key Demographics for Snohomish County WA
Median Age
38.4
Under 18
22.4%
Age 65+
14.4%
Bachelor's+
36.8%
Snohomish County School Districts
Snohomish County is served by 15 public school districts with 133,012 students enrolled in 2024. The largest districts on the county map are Northshore, Edmonds and Everett. Those three districts account for about 48% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.
Largest School Districts by Enrollment in Snohomish County WA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Northshore School District | 22,735 | 17.1% | ▾ -1.9% |
| Edmonds School District | 20,955 | 15.8% | ▴ 1% |
| Everett School District | 20,489 | 15.4% | ▴ 0.9% |
| Mukilteo School District | 15,175 | 11.4% | ▾ -0.6% |
| Lake Stevens School District | 10,117 | 7.6% | ▴ 3.4% |
| Download all school district data | |||
Snohomish County school district enrollment and trends per most recent NCES reporting data.
Snohomish County Housing & Real Estate
Snohomish County has a median home value of $644,600 and a median gross rent of $1,866. About 68% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Washington median, while rents come in above the state average. In March 2026, the median listing price was $789,975 and homes spent about 31 days on the market.
Snohomish County Housing Mix
Snohomish County housing mix: owner, renter and vacant units.
Snohomish County Housing Trends
Snohomish County median home value and rent trend (last 5 years).
Businesses in Snohomish County, WA
Snohomish County has 27,751 business listings across 1,148 categories. The largest categories in Snohomish County business listings are Real Estate Agents (635, 2.3%), Churches & Religious Organizations (495, 1.8%), and Contractors (466, 1.7%). The full Snohomish County business listings dataset includes names, categories, addresses and contact details where available. Snohomish County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Snohomish County, WA
| Category | Businesses | Share |
|---|---|---|
| Real Estate Agents | 635 | 2.3% |
| Churches & Religious Organizations | 495 | 1.8% |
| Contractors | 466 | 1.7% |
| Coffee Shops | 438 | 1.6% |
| Beauty Salons | 428 | 1.5% |
| Parks & Recreation | 372 | 1.3% |
| Landmark And Historical Building | 355 | 1.3% |
| Auto Repair | 351 | 1.3% |
| Hair Salons | 343 | 1.2% |
| Dental Offices | 326 | 1.2% |
Snohomish County Business Listings
| Business | Category | City |
|---|---|---|
| Vindico Printing and Design | 3D Printing Service | Lynnwood |
| Rehab Without Walls | Abuse And Addiction Treatment | Lynnwood |
| The Seasons Apartments | Accommodation | Lynnwood |
| Goodsell & Associates | Accountant | Everett |
| J R Engineering | Acoustical Consultant | Everett |
| Kasch Park Athletic Complex | Active Life | Everett |
| Maple Leaf Therapeutics | Acupuncture | Edmonds |
| Alcoholics Anonymous | Addiction Rehabilitation Center | Everett |
| The Root of Us | Adult Education | Marysville |
| Lovers | Adult Entertainment | Everett |
| Download Snohomish County business listings | ||
Snohomish County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Snohomish County Basemaps
Snohomish County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.
Get the Full Snohomish County Data Package
This page shows a preview of what's included in the Snohomish County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for parcels, zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border Snohomish County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.