Printable Blank Map of Oregon with Counties
Delineating all 36 counties across 98,379 square miles of the Pacific Northwest, this blank vector map of Oregon captures the Beaver State from the rugged Pacific coastline across the Cascade volcanic crest to the high desert plateaus of the Great Basin. Projected in Oregon Statewide Lambert (EPSG:2992), it provides clean coordinate geometry for timberland mapping, Willamette Valley studies, and county governance analysis.
About this Blank Map of Oregon
This printable blank map represents Oregon on the authentic NAD83 (2011) / WGS84 ellipsoidal datum. All 6 interactive visual variants—including Blank Outline, Counties Boundaries, Centroid Labels, Capital City Marker (Salem), and High-Contrast Printer B&W—are generated synchronously from identical coordinate geometry.
| Specification | Value | Compliance & Source |
|---|---|---|
| Jurisdiction / Entity | Oregon | US State |
| Subdivisions Rendered | 36 Counties | Verified Topological Polygon Mesh |
| Primary Capital City | Salem | Marked on the capital variant |
| Cartographic Projection | OREGON STATEWIDE LAMBERT | Distortion-Minimized Coordinate Map |
| Reference Datum | NAD83 (2011) / WGS84 | NOAA NGS / EPSG:2992 (State Plane Coordinate System) |
Oregon Counties at a Glance
- Counties
- 36
- Capital
- Salem
- Population (2020)
- 4,237,279
- Land area
- 95,988 sq mi
Most populous counties
- Multnomah County (Portland): 815,418 people, 19.2% of the state
- Washington County (Hillsboro): 600,369 people, 14.2% of the state
- Clackamas County (Oregon City): 421,398 people, 9.9% of the state
- Lane County (Eugene): 382,983 people, 9.0% of the state
- Marion County (Salem): 345,910 people, 8.2% of the state
Largest counties by land area
- Harney County (Burns): 10,134.4 sq mi
- Malheur County (Vale): 9,887.7 sq mi
- Lake County (Lakeview): 8,138.6 sq mi
- Klamath County (Klamath Falls): 5,950 sq mi
- Douglas County (Roseburg): 5,035.7 sq mi
Neighboring states
Figures: US Census Bureau 2020 Census populations and Gazetteer land areas. The full sortable list with seats and FIPS codes is on the Oregon county map & list page.
Geography Notes: Oregon
Oregon Statewide Lambert Conformal Geodesy
A customized statewide double-parallel Lambert projection maintains metric scale tolerances across all 36 counties.
Standard parallels at 43°00'N and 45°30'N anchor the projection, eliminating coordinate breaks between maritime coastal valleys and arid eastern plateaus.
The Oregon Department of Forestry and the Department of Transportation rely on EPSG:2992 to calculate timber harvests, wildfire perimeters, and highway assets on a single unified coordinate system.
EPSG:2992 maintains metric conformity from the mouth of the Columbia River at Astoria south to the California border.
The Cascade Rain Shadow: Willamette Valley vs The High Desert
The Cascade Mountain range divides Oregon into two starkly different ecological and demographic zones.
Western Oregon contains over 85% of the state's population centered in the fertile Willamette Valley and coastal ports across Multnomah (Portland), Lane (Eugene), and Marion (Salem) counties.
Eastern Oregon lies within the Cascade rain shadow, where vast semi-arid ranching and public timberlands dominate Harney, Malheur, and Lake counties.
Harney County covers 10,133 square miles, making it the largest county in Oregon and the tenth-largest in the United States, larger than Maryland.
Curated Classroom Activities & Spatial Labs for Oregon
Pedagogical lesson plans and spatial analysis activities designed specifically for printable vector maps of Oregon:
The Cascade Volcanic Arc & Columbia Gorge Lab
Objective: Trace the Cascade Mountain crest and map the Columbia River navigation gateway.
Materials: Printed blank map of Oregon, brown and blue fine-tip pens, physical relief atlas.
- Draw the Cascade volcanic crest through Clackamas, Hood River, Deschutes, and Klamath counties, locating Mount Hood (11,249 ft).
- Trace the Columbia River forming the northern border with Washington from the Pacific Ocean through the Columbia River Gorge.
- Highlight Crater Lake in Klamath County, the deepest lake in the United States (1,949 ft).
Urban Growth Boundaries & County Land Use Study
Objective: Examine Oregon's statewide land use planning system and Urban Growth Boundaries (UGBs).
Materials: Printed Oregon county outline map, colored pencils.
- Highlight the Willamette Valley counties where Senate Bill 100 established strict urban growth boundaries to protect farmland.
- Locate Marion County (Salem) as the state capital along the Willamette River.
- Shade Harney and Malheur counties in eastern Oregon, analyzing how federal BLM rangeland ownership impacts local ranching.
The 6 Synchronized Variants Explained
We generate 6 synchronized variations of Oregon from the same master vector dataset. Each variant is aligned to identical coordinate geometry:
1. Blank Boundary Outline
The foundational boundary outline of Oregon. Rendered with a clean exterior stroke and zero fill—the optimal version for in-class labeling exams, custom cartographic overlays, or clean graphic design.
2. With Subdivisions (36 Counties)
Displays the exterior boundary plus internal administrative borders for all 36 counties. Each subdivision possesses a unique SVG element ID for direct styling and choropleth shading in vector editors.
3. Labeled with True Centroids
Features authentic typographic labels positioned at each administrative territory's mathematical center of mass. Perfect as a master grading answer key or self-study reference sheet.
4. Adjacent-Contrast Color Fill
Filled using an adjacency-contrast pastel palette so neighboring jurisdictions never blend together. Excellent for tactile visual discrimination and regional geography units.
5. With Capital City (Salem)
Pinpoints the official capital city of Salem using a high-visibility star marker and typographic callout, positioned at precise geodetic coordinates.
6. High-Contrast Printer B&W
Optimized specifically for monochrome desktop laser and inkjet printers. Uses pure black vector paths (#000000) and ultra-clean white fills to prevent ink-bleeding and toner smudging.
Tools to Use With This Map
- Interactive US county mapZoom into county lines on a live map.
- What county am I in?Find your county from your device location.
- True size comparisonDrag Oregon over other places to compare real areas.
- Map area calculatorDraw a shape and measure its area on the WGS84 ellipsoid.
- Color a mapShade regions online and download your own map.
Oregon County Map & Full List
See 2020 Census populations, seats, land areas and FIPS codes for every county in Oregon, with an on-page map and CSV export.
Need Definitions for Map Projections, SVG Vectors, or Centroids?
Explore our centralized Cartography Glossary for detailed definitions of national and global geodetic datums, equal-area vs. conformal projections, TopoJSON topological arcs, and choropleth classification standards.
Frequently Asked Questions About Oregon Blank Maps
Authoritative answers to common questions regarding printing, licensing, vector customization, and curriculum use:
What is the largest county by land area in Oregon?▼
Harney County in southeastern Oregon (seat: Burns) is the largest county by area at 10,133 square miles.
Why does Oregon use a custom Statewide Lambert projection?▼
Because Oregon spans over 380 miles east-to-west, the state established Oregon Statewide Lambert (EPSG:2992) to eliminate the boundary split between legacy North and South State Plane zones for statewide GIS projects.
What percentage of Oregon residents live in the Willamette Valley?▼
Approximately 70% of Oregon’s population resides within the Willamette Valley corridor stretching from Portland south to Eugene.