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Welcome to Umatilla County ...

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

The community of Pendleton is the Seat for Umatilla County.

Umatilla County was founded in 1862 and was created by taking area from Wasco County.

From the Census Estimates for 2019, <1> Umatilla had a population of 77,950 people. This is an increase of 2.44% since the last Census (which gave a population of 76,094 people in 2010).

At the time of the 2010 Census, Umatilla represented 1.99% of the total population of Oregon.

Below are some of the communities located in Umatilla County:

  • Adams
    (15 miles [24.1 km] to the northeast)
    • Adams is located in Umatilla County (OR)
    • Jump to our Gazetteer entry for Adams
    • Population from the 2020 Census: 359 people
    • Jump to TripAdvisor's Tourism page for Adams <2>
  • Athena
    (19 miles [30.6 km] to the northeast)
    • Athena is located in Umatilla County (OR)
    • Jump to our Gazetteer entry for Athena
    • Population from the 2020 Census: 1,140 people
    • Jump to TripAdvisor's Tourism page for Athena <2>
  • Echo
    (19 miles [30.6 km] to the west)
    • Echo is located in Umatilla County (OR)
    • Jump to our Gazetteer entry for Echo
    • Population from the 2020 Census: 705 people
    • Jump to TripAdvisor's Tourism page for Echo <2>
  • Helix
    (16 miles [25.7 km] to the northeast)
    • Helix is located in Umatilla County (OR)
    • Jump to our Gazetteer entry for Helix
    • Population from the 2020 Census: 191 people
    • Jump to TripAdvisor's Tourism page for Helix <2>
  • Hermiston
    (26 miles [41.8 km] to the northwest)
    • Hermiston is located in Umatilla County (OR)
    • Jump to our Gazetteer entry for Hermiston
    • Population from the 2020 Census: 17,791 people
    • Jump to TripAdvisor's Tourism page for Hermiston <2>
  • Milton - Freewater
    (29 miles [46.7 km] to the northeast)
  • Pendleton
    (2 miles [3.2 km] to the northeast)
    • Pendleton is located in Umatilla County (OR)
    • Jump to our Gazetteer entry for Pendleton
    • Population from the 2020 Census: 16,593 people
    • Jump to TripAdvisor's Tourism page for Pendleton <2>
  • Pilot Rock
    (10 miles [16.1 km] to the south)
  • Continue List   (4 more) ...
    • Stanfield
      (21 miles [33.8 km] to the northwest)
    • Ukiah
      (35 miles [56.3 km] to the south)
      • Ukiah is located in Umatilla County (OR)
      • Jump to our Gazetteer entry for Ukiah
      • Population from the 2020 Census: 194 people
      • Jump to TripAdvisor's Tourism page for Ukiah <2>
    • Umatilla
      (31 miles [49.9 km] to the northwest)
      • Umatilla is located in Umatilla County (OR)
      • Jump to our Gazetteer entry for Umatilla
      • Population from the 2020 Census: 7,360 people
      • Jump to TripAdvisor's Tourism page for Umatilla <2>
    • Weston
      (22 miles [35.4 km] to the northeast)
      • Weston is located in Umatilla County (OR)
      • Jump to our Gazetteer entry for Weston
      • Population from the 2020 Census: 650 people
      • Jump to TripAdvisor's Tourism page for Weston <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.