Cornelius Flag

Cornelius

County Seat:
No
Area (mi²):
2.339
State:
Oregon

Cornelius is a city located in Washington County, Oregon. Cornelius has a 2026 population of 15,369. Cornelius is currently growing at a rate of 1.73% annually and its population has increased by 19.95% since the most recent census, which recorded a population of 12,813 in 2020.

15.4K
Total Population
6,571
Density (mi²)
261 1.73%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)