36
Total Counties
240+
Incorporated Cities
4.27M
State Population
98,379
Square Miles
Counties by Region
Oregon divides into distinct geographic regions. Each section lists counties from largest to smallest by population.
🌆 Portland Metro Area
🏞️ Willamette Valley
Lane County
Eugene, Springfield, Cottage Grove
Pop. ~380,000
Marion County
Salem, Keizer, Woodburn
Pop. ~350,000
Benton County
Corvallis, Philomath
Pop. ~92,000
Polk County
Dallas, Independence, Monmouth
Pop. ~85,000
Yamhill County
McMinnville, Newberg, Carlton
Pop. ~108,000
Linn County
Albany, Lebanon, Sweet Home
Pop. ~125,000
🌊 Oregon Coast
Clatsop County
Astoria, Seaside, Warrenton
Pop. ~41,000
Coos County
Coos Bay, North Bend, Bandon
Pop. ~65,000
Curry County
Gold Beach, Brookings
Pop. ~23,000
Douglas County
Roseburg, Elkton, Winchester
Pop. ~110,000
Lincoln County
Newport, Waldport, Toledo
Pop. ~50,000
Tillamook County
Tillamook, Manzanita
Pop. ~27,000
🏔️ Central Oregon & Cascades
🍎 Southern Oregon & Rogue Valley
🌵 Eastern Oregon
Baker County
Baker City, Halfway
Pop. ~17,000
Union County
La Grande, Union
Pop. ~26,000
Umatilla County
Pendleton, Hermiston, Milton-Freewater
Pop. ~80,000
Morrow County
Boardman, Heppner, Irrigon
Pop. ~12,000
Wallowa County
Enterprise, Joseph
Pop. ~8,000
Grant County
John Day, Canyon City
Pop. ~7,000
Harney County
Burns, Hines
Pop. ~7,000 (Largest by area)
Malheur County
Ontario, Vale, Nyssa
Pop. ~31,000
Lake County
Lakeview, Plush
Pop. ~8,000 (Least populous)
🌉 Columbia River & North Central
Oregon County Government Resources
Direct links to official county services and information.
🏛️ General County Services
📄 Common County Records
- Vital Records (Birth/Death Certificates)
- Property Deeds & Titles
- Marriage Licenses
- Business Licenses
- Building Permits
- Court Records
🔍 Find Your County Clerk
- Contact county offices directly via website
- Hours vary by county (typically Mon-Fri 8am-5pm)
- Many offer online services and appointments
- Fees apply for certified copies