City profile
Cornelius, OR
Washington County · Population 14,255
Cornelius is a town in Washington County, OR with about 14,255 residents and a typical home value near $453,000. It is 18 miles from Portland, OR, which shapes its climate, healthcare access and amenities.
Climate
Climate type
Mild & temperate
Winter avg
41°F
Summer avg
68°F
Sunny days / yr
145
Home prices & cost of living
Median home price
$452,900
Typical monthly housing
$2,785
Cost of living (100 = U.S.)
119
Taxes
- Property tax
- 0.86%
- State income tax (top)
- 9.9%
- Social Security
- Not taxed
- Pensions
- Partly exempt
- Sales tax (state + avg. local)
- None
FEMA natural hazard risk
Relatively High · county score 96/100
Top hazards: Earthquake, Heat wave, Riverine flooding
Nearest major airport
22 mi to Portland International Airport (PDX)
Political lean (2024 county vote)
Leans Democratic · 65% Democratic / 31% Republican
Community
Population
14,255
Black population
1.3%
County
Washington County
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸Climate/cost risks to check: wildfire smoke, earthquakes
Highlights
- About 14,255 residents
- Typical home value about $453,000
- 18 miles from Portland, OR
Trade-offs
- Smaller community with fewer local amenities
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.