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Welcome to Gilliam County ...

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

The community of Condon is the Seat for Gilliam County.

Gilliam County was founded in 1885 and was created by taking area from Wasco County.

From the Census Estimates for 2019, <1> Gilliam had a population of 1,912 people. This is an increase of 1.59% since the last Census (which gave a population of 1,882 people in 2010).

At the time of the 2010 Census, Gilliam represented 0.05% of the total population of Oregon.

Below are some of the communities located in Gilliam County:

  • Arlington
    (27 miles [43.5 km] to the north)
  • Condon
    (5 miles [8 km] to the south)
    • Jump to our Gazetteer entry for Condon
    • Condon is located in Gilliam County (OR)
    • Population from the 2020 Census: 714 people
    • Jump to TripAdvisor's Tourism page for Condon <2>
  • Lonerock
    (20 miles [32.2 km] to the southeast)
    • Jump to our Gazetteer entry for Lonerock
    • Lonerock is located in Gilliam County (OR)
    • Population from the 2020 Census: 22 people

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.