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Welcome to Jefferson County ...

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

The community of Madras is the Seat for Jefferson County.

Jefferson County was founded in 1914 and was created by taking area from Crook County.

From the Census Estimates for 2019, <1> Jefferson had a population of 24,658 people. This is an increase of 13.84% since the last Census (which gave a population of 21,661 people in 2010).

At the time of the 2010 Census, Jefferson represented 0.57% of the total population of Oregon.

Below are some of the communities located in Jefferson County:

  • Culver
    (3 miles [4.8 km] to the south)
    • Culver is located in Jefferson County (OR)
    • Jump to our Gazetteer entry for Culver
    • Population from the 2020 Census: 1,686 people
    • Jump to TripAdvisor's Tourism page for Culver <2>
  • Madras
    (6 miles [9.7 km] to the northeast)
    • Madras is located in Jefferson County (OR)
    • Jump to our Gazetteer entry for Madras
    • Population from the 2020 Census: 7,106 people
    • Jump to TripAdvisor's Tourism page for Madras <2>
  • Metolius
    (2 miles [3.2 km] to the east)
    • Metolius is located in Jefferson County (OR)
    • Jump to our Gazetteer entry for Metolius
    • Population from the 2020 Census: 820 people
    • Jump to TripAdvisor's Tourism page for Metolius <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.