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Multnomah County

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We Are Multnomah County

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Multnomah County Sheriff candidates face off ahead of May primary

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Why is the Multnomah County Jail at 70% capacity?

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Multnomah County jail system understaffed, overwhelmed with mental health patients

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Multnomah County Library breaks ground on new operations facility

Multnomah County is one of 36 counties in the U.S. state of Oregon. As of the 2010 United States Census, the county's population was 735,334. Its county seat, Portland, is the state's largest city. Multnomah County is part of the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area, and though smallest in area, it is the state's most populous county.