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Market insights · Oregon

Marion County, OR: growth, migration and housing

Marion County has 355,777 residents, up 2.7% since 2020 (+0.7% in the last year). In 2022–2023, 8,183 households moved in and 8,338 moved out (-155 net), bringing in a net $8.0M of income. Median household income is $77,351, the median home $416,400 and median rent $1,414 a month.

Population (2025)355,777
5-year growth+2.7%
1-year growth+0.7%
Net households moving in-155
Per 1,000 residents-0.4
Net income moving in+$8.0M
Median household income$77,351
Median home value$416,400
Median rent$1,414/mo
Rent as share of income22%

In Oregon: 8th of 36 counties for 5-year population growth · 20th of 36 counties for net in-migration (per resident) · 11th of 36 counties for median household income · 15th of 36 counties for median home value.

Where new residents came from

Top counties by households (tax returns) moving to Marion County, 2022–2023 (IRS).

FromHouseholds (tax returns)Their income (AGI)
Polk County, OR1,159$67.5M
Clackamas County, OR791$59.4M
Washington County, OR663$41.3M
Linn County, OR547$29.4M
Multnomah County, OR522$33.3M
Yamhill County, OR275$15.3M
Lane County, OR261$12.6M
Benton County, OR232$11.6M

Where leavers went

Top counties by households leaving Marion County, 2022–2023 (IRS).

ToHouseholds (tax returns)Their income (AGI)
Polk County, OR1,146$65.5M
Clackamas County, OR704$39.1M
Linn County, OR643$36.9M
Multnomah County, OR611$28.3M
Washington County, OR565$30.3M
Lane County, OR251$12.6M
Yamhill County, OR244$14.1M
Benton County, OR219$10.5M

BizyFi in Marion County

Fewer than 3 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Oregon companies.

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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.