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Maps & GIS Data. Explore Our Maps. Find county parks, explore maps, and access spatial data. County Parks.
- Assessor's Office
The Assessor's Office is responsible for assessing all...
- Job Opportunities
Job Opportunities. Marion County is an Equal Opportunity...
- Department Directory
Local Taxing District Budgets. Phone: (503) 588-5144. Email:...
- Property Records
Marion County Assessor's Property Records. Every effort has...
- Marion County's GIS Program
The Marion County GIS Program has a new website:...
- Board of Commissioners
Goals. Leadership: Focus leadership on critical policy...
- Assessor's Office
Learn about the history, geography, demographics, and government of Marion County, the fifth most populous county in Oregon and the home of Salem, the state capital. Find out how the county was named, what areas it covers, and what attractions it offers.
Marion County is a county in the Willamette Valley, south of Portland, with a population of 346,000. It was established in 1843 and named after Francis Marion, and has 20 incorporated cities and 37 unincorporated communities.
Salem (/ ˈ s eɪ l ə m / SAY-ləm) is the capital city of the U.S. state of Oregon, and the county seat of Marion County. It is located in the center of the Willamette Valley alongside the Willamette River, which runs north through the city. The river forms the boundary between Marion and Polk counties, and the city neighborhood of West Salem is
In 2022, Marion County, OR had a population of 346k people with a median age of 37 and a median household income of $70,926. Between 2021 and 2022 the population of Marion County, OR grew from 344,037 to 345,815, a 0.517% increase and its median household income grew from $64,880 to $70,926, a 9.32% increase.
Marion County Historical Society History In the late 1940s, when proposals were made to demolish both the building that housed Oregon's capitol at statehood and Marion County's 80-year-old courthouse, many people became upset at the loss of Salem's heritage. Eventually, in 1950, they formed the Marion County Historical Society.
Marion County is a county located in the U.S. state of Oregon. The population was 345,920 at the 2020 census. [1] It is the fifth-most populous county in Oregon. The county seat is Salem. [2]
