Jefferson County GIS Maps

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Jefferson County, Washington, has 32,977 residents across 32,592 parcels and covers 1,803.7 square miles. The population grew 10.4% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Jefferson County is 53031.

Port Townsend is the county's largest population center. Jefferson County also includes 8 zip codes, 6 public school districts and 12 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.

Open the Interactive Parcel Viewer Open the Interactive Parcel Viewer

Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.

Jefferson County Trends

Population
32,977▴
Median Home Value
$495,100▴
K-12 Enrollment
6,430▴
Jefferson County in Washington

County analytics dashboards with historical trends & projections included in package downloads.

Jefferson 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.

Jefferson County Parcels

Jefferson County has 32,592 mapped parcels covering 1,152,485 acres. The median assessed value is $290,700. Site addresses reach 61.6%. Assessed values reach 92.6%. Browse the interactive Jefferson County Parcel viewer here.

Jefferson County Parcel Data Coverage

Field Parcels Coverage
Parcel ID 32,592 100%
Owner name 0 0%
Owner mailing address 0 0%
Site address 20,084 61.6%
Land use code 31,844 97.7%
Land use description 0 0%
Assessed value 30,171 92.6%
Land value 31,844 97.7%
Improvement value 31,844 97.7%
Acreage 0 0%
Parcel boundary 32,592 100%
Download all Jefferson County parcels.

Field coverage measured across all Jefferson County parcel records.

Jefferson County Population

Jefferson County had 32,977 residents in 2020. That was 10.4% higher than in 2010. Jefferson County added 7,024 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 18 people per square mile. Some of the county's most populated postal areas include Port Townsend, Forks and Port Ludlow.

Population Trend in Jefferson County WA

Jefferson County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Jefferson County Zip Codes

Jefferson County has 8 zip codes. Some of the county's most populated zip codes include Port Townsend (98368), Forks (98331) and Port Ludlow (98365). Port Townsend is the largest zip by population, with about 16,567 residents or 50% of the county total. Together, the three largest zips account for about 84% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Jefferson County WA

ZIP Area Population Trend
98368 Port Townsend 16,567 ▴ 12.5%
98331 Forks 5,952 ▾ -4.9%
98365 Port Ludlow 5,058 ▴ 11.7%
98339 Port Hadlock 3,805 ▴ 14.4%
98376 Quilcene 2,130 ▴ 6.6%
Download all zip code data

Jefferson County Zip Code populations and trends per most recent census data.

Jefferson County Demographics

Jefferson County has a median age of 59.5, which makes the county a little older than Washington overall. About 11.5% of residents are under 18, while 39.6% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 65 and over at about 39.6% of the population, which points to an older population profile. About 43.3% of adults have a bachelor's degree or higher, above the statewide figure of 38.8%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.

Key Demographics for Jefferson County WA

Median Age

59.5

Under 18

11.5%

Age 65+

39.6%

Bachelor's+

43.3%

Jefferson County School Districts

Jefferson County is served by 6 public school districts with 6,430 students enrolled in 2024. The largest districts on the county map are Quillayute Valley, Port Townsend and Chimacum. Those three districts account for about 89% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.

Largest School Districts by Enrollment in Jefferson County WA

District Enrollment Share Trend
Quillayute Valley School District 3,760 58.5% ▴ 9.3%
Port Townsend School District 1,277 19.9% ▴ 9.1%
Chimacum School District 704 10.9% ▾ -2.5%
Quilcene School District 580 9% ▴ 12.4%
Brinnon School District 72 1.1% ▾ -1.4%
Download all school district data

Jefferson County school district enrollment and trends per most recent NCES reporting data.

Jefferson County Housing & Real Estate

Jefferson County has a median home value of $495,100 and a median gross rent of $1,291. About 80% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Washington median, while rents come in below the state average. In March 2026, the median listing price was $674,993 and homes spent about 58 days on the market.

Jefferson County Housing Mix

Jefferson County housing mix: owner, renter and vacant units.

Jefferson County Housing Trends

Jefferson County median home value and rent trend (last 5 years).

Businesses in Jefferson County, WA

Jefferson County has 1,798 business listings across 438 categories. The largest categories in Jefferson County business listings are Parks & Recreation (43, 2.4%), Farm (40, 2.2%), and Lake (37, 2.1%). The full Jefferson County business listings dataset includes names, categories, addresses and contact details where available. Jefferson County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Jefferson County, WA

Category Businesses Share
Parks & Recreation 43 2.4%
Farm 40 2.2%
Lake 37 2.1%
Real Estate Agents 35 1.9%
Churches & Religious Organizations 34 1.9%
Structure And Geography 29 1.6%
Campgrounds & RV Parks 26 1.4%
Cafe 25 1.4%
Community & Nonprofits 25 1.4%
Beach 23 1.3%

Jefferson County Business Listings

Business Category City
Believe In Recovery LLC Abuse And Addiction Treatment Port Townsend
Hamilton-Worthington Mansion Accommodation Quilcene
The Business Guides Accountant Port Townsend
Race To Alaska Active Life Port Townsend
Classical Five Element Acupuncture Acupuncture Port Townsend
Junglebolt - Digital Marketing, SEO & SEM Advertising Agency Port Townsend
Port Townsend Aircraft Services Airport Port Townsend
Alano Club Alcohol And Drug Treatment Centers Port Townsend
Cablehouse Beach Canteen American Restaurants Port Townsend
Center Valley Animal Rescue Animal Shelters Quilcene
Download Jefferson County business listings

Jefferson County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Jefferson County Basemaps

Jefferson 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 Jefferson County Data Package

This page shows a preview of what's included in the Jefferson 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.

Get the Jefferson County Package + Parcels — $49

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Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from Washington — explore the full structure before you buy.

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