Wahkiakum County GIS Maps
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Wahkiakum County, Washington, has 4,422 residents across 4,428 parcels and covers 262.9 square miles. The population grew 11.2% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Wahkiakum County is 53069.
Cathlamet is the county's largest population center. Wahkiakum County also includes 3 zip codes, 2 public school districts and 9 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.
Wahkiakum County Trends
- Population
- 4,422▴
- Median Home Value
- $344,500▴
- K-12 Enrollment
- 715▾
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.
Wahkiakum 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.
Wahkiakum County Parcels
Wahkiakum County has 4,428 mapped parcels covering 166,777 acres. The median assessed value is $177,000. Site addresses reach 64.5%. Assessed values reach 92.3%. Browse the interactive Wahkiakum County Parcel viewer here.
Wahkiakum County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 4,428 | 100% |
| Owner name | 0 | 0% |
| Owner mailing address | 0 | 0% |
| Site address | 2,855 | 64.5% |
| Land use code | 4,428 | 100% |
| Land use description | 0 | 0% |
| Assessed value | 4,089 | 92.3% |
| Land value | 4,428 | 100% |
| Improvement value | 4,428 | 100% |
| Acreage | 0 | 0% |
| Parcel boundary | 4,428 | 100% |
| Download all Wahkiakum County parcels. | ||
Field coverage measured across all Wahkiakum County parcel records.
Wahkiakum County Population
Wahkiakum County had 4,422 residents in 2020. That was 11.2% higher than in 2010. Wahkiakum County added 598 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 17 people per square mile. Some of the county's most populated postal areas include Cathlamet, Skamokawa and Rosburg.
Population Trend in Wahkiakum County WA
Wahkiakum County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Wahkiakum County Zip Codes
Wahkiakum County has 3 zip codes. Some of the county's most populated zip codes include Cathlamet (98612), Skamokawa (98647) and Rosburg (98643). Cathlamet is the largest zip by population, with about 3,032 residents or 69% of the county total. Together, the three largest zips account for about 89% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Wahkiakum County WA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 98612 | Cathlamet | 3,032 | ▴ 12.1% |
| 98647 | Skamokawa | 499 | ▴ 23.5% |
| 98643 | Rosburg | 403 | ▴ 11.3% |
| Download all zip code data | |||
Wahkiakum County Zip Code populations and trends per most recent census data.
Wahkiakum County Demographics
Wahkiakum County has a median age of 54.8, which makes the county a little older than Washington overall. About 18.5% of residents are under 18, while 32.3% 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 32.3% of the population, which points to an older population profile. About 22.3% 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 Wahkiakum County WA
Median Age
54.8
Under 18
18.5%
Age 65+
32.3%
Bachelor's+
22.3%
Wahkiakum County School Districts
Wahkiakum County is served by 2 public school districts with 715 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.
Largest School Districts by Enrollment in Wahkiakum County WA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Wahkiakum School District | 399 | 55.8% | ▾ -3.2% |
| Naselle-Grays River Valley School District | 316 | 44.2% | ▾ -0.6% |
| Download all school district data | |||
Wahkiakum County school district enrollment and trends per most recent NCES reporting data.
Wahkiakum County Housing & Real Estate
Wahkiakum County has a median home value of $344,500 and a median gross rent of $1,086. About 85% 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 $587,250 and homes spent about 53 days on the market.
Wahkiakum County Housing Mix
Wahkiakum County housing mix: owner, renter and vacant units.
Wahkiakum County Housing Trends
Wahkiakum County median home value and rent trend (last 5 years).
Businesses in Wahkiakum County, WA
Wahkiakum County has 208 business listings across 124 categories. The largest categories in Wahkiakum County business listings are Farm (9, 4.3%), Churches & Religious Organizations (9, 4.3%), and Bed And Breakfast (6, 2.9%). The full Wahkiakum County business listings dataset includes names, categories, addresses and contact details where available. Wahkiakum County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Wahkiakum County, WA
| Category | Businesses | Share |
|---|---|---|
| Farm | 9 | 4.3% |
| Churches & Religious Organizations | 9 | 4.3% |
| Bed And Breakfast | 6 | 2.9% |
| Parks & Recreation | 6 | 2.9% |
| Banks & Credit Unions | 4 | 1.9% |
| Real Estate Agents | 4 | 1.9% |
| Propane Supplier | 4 | 1.9% |
| Grocery Stores | 4 | 1.9% |
| Professional Services | 4 | 1.9% |
| Landmark And Historical Building | 3 | 1.4% |
Wahkiakum County Business Listings
| Business | Category | City |
|---|---|---|
| Maria's Place | American Restaurants | Cathlamet |
| Madalene's | Antique Store | Cathlamet |
| Tsuga Gallery | Art Gallery | Cathlamet |
| The Jabber Shack Wahkiakum | Arts And Crafts | Cathlamet |
| Citibank | ATMs | Cathlamet |
| Farmers Insurance - James Sorensen | Auto Insurance | Cathlamet |
| Moore Auto & Marine | Auto Repair | Cathlamet |
| NAPA Auto Parts | Auto Parts And Supply Store | Cathlamet |
| First Interstate Bank | Banks & Credit Unions | Cathlamet |
| Bank of America | Banks | Cathlamet |
| Download Wahkiakum County business listings | ||
Wahkiakum County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Wahkiakum County Basemaps
Wahkiakum 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 Wahkiakum County Data Package
This page shows a preview of what's included in the Wahkiakum 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 Wahkiakum County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.