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Welcome to Washington County ...

Time Zone: Washington County lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time.

The community of Hillsboro is the Seat for Washington County.

Washington County is one of the original counties of Oregon and was founded in 1843.

From the Census Estimates for 2019, <1> Washington had a population of 601,592 people. This is an increase of 13.16% since the last Census (which gave a population of 531,638 people in 2010).

At the time of the 2010 Census, Washington represented 13.88% of the total population of Oregon.

Below are some of the communities located in Washington County:

  • Banks
    (12 miles [19.3 km] to the northwest)
    • Banks is located in Washington County (OR)
    • Jump to our Gazetteer entry for Banks
    • Population from the 2020 Census: 2,034 people
    • Jump to TripAdvisor's Tourism page for Banks <2>
  • Beaverton
    (4 miles [6.4 km] to the east)
    • Beaverton is located in Washington County (OR)
    • Jump to our Gazetteer entry for Beaverton
    • Population from the 2020 Census: 98,957 people
    • Jump to TripAdvisor's Tourism page for Beaverton <2>
  • Cornelius
    (7 miles [11.3 km] to the west)
    • Cornelius is located in Washington County (OR)
    • Jump to our Gazetteer entry for Cornelius
    • Population from the 2020 Census: 13,116 people
    • Jump to TripAdvisor's Tourism page for Cornelius <2>
  • Durham
    (10 miles [16.1 km] to the southeast)
    • Durham is located in Washington County (OR)
    • Jump to our Gazetteer entry for Durham
    • Population from the 2020 Census: 1,908 people
    • Jump to TripAdvisor's Tourism page for Durham <2>
  • Forest Grove
    (9 miles [14.5 km] to the west)
  • Gaston
    (11 miles [17.7 km] to the west)
    • Gaston is located in Washington County (OR)
    • Jump to our Gazetteer entry for Gaston
    • Population from the 2020 Census: 715 people
    • Jump to TripAdvisor's Tourism page for Gaston <2>
  • Hillsboro
    (Less than 2 miles to the northwest)
    • Hillsboro is located in Washington County (OR)
    • Jump to our Gazetteer entry for Hillsboro
    • Population from the 2020 Census: 110,985 people
    • Jump to TripAdvisor's Tourism page for Hillsboro <2>
  • King City
    (8 miles [12.9 km] to the southeast)
    • King City is located in Washington County (OR)
    • Jump to our Gazetteer entry for King City
    • Population from the 2020 Census: 4,358 people
    • Jump to TripAdvisor's Tourism page for King City <2>
  • North Plains
    (8 miles [12.9 km] to the northwest)
  • Sherwood
    (10 miles [16.1 km] to the south)
    • Sherwood is located in Washington County (OR)
    • Jump to our Gazetteer entry for Sherwood
    • Population from the 2020 Census: 19,746 people
    • Jump to TripAdvisor's Tourism page for Sherwood <2>
  • Tigard
    (8 miles [12.9 km] to the southeast)
    • Tigard is located in Washington County (OR)
    • Jump to our Gazetteer entry for Tigard
    • Population from the 2020 Census: 56,049 people
    • Jump to TripAdvisor's Tourism page for Tigard <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.