Hillsboro Flag

Hillsboro

County Seat:
Yes
Area (mi²):
25.843
State:
Oregon

Hillsboro is a city located in Washington County, Oregon. Hillsboro has a 2025 population of 108,223. It is also the county seat of Washington CountyHillsboro is currently growing at a rate of 0.23% annually and its population has increased by 1.15% since the most recent census, which recorded a population of 106,990 in 2020.

The average household income in Hillsboro is $128,703 with a poverty rate of 8.15%.The median age in Hillsboro is 34.8 years: 34.2 years for males, and 35.6 years for females.

108.2K
Total Population
4,188
Density (mi²)
247 0.23%
Growth

Hillsboro Population

Demographics

Economics and Income Statistics

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)