What are the fastest-growing counties in Oregon?
Crook County is the fastest-growing county in Oregon: its population grew 2.03% a year from 2020 to 2025, to 27,564 residents (Census PEP Vintage 2025). Deschutes County (1.33%) and Jefferson County (0.92%) follow. Oregon as a whole grew 0.14% a year to 4,273,586 residents.
Data as of 2026-09-23. Population, growth and migration: PEP Vintage 2025 · 2020–2025. Income migration: IRS SOI 2022–2023 (2-yr lag).
Top 10 counties in Oregon by population growth, 2020 to 2025
| Rank | County | Population | Growth (% per year) | Net domestic migration | Net international migration | IRS net AGI migration |
|---|---|---|---|---|---|---|
| 1 | Crook County | 27,564 | 2.03% | +3,006 | -9 | +$24.9M |
| 2 | Deschutes County | 213,072 | 1.33% | +12,373 | +1,190 | +$292.1M |
| 3 | Jefferson County | 25,740 | 0.92% | +1,090 | +197 | +$6.9M |
| 4 | Benton County | 97,728 | 0.87% | +1,847 | +2,600 | -$31.4M |
| 5 | Morrow County | 12,602 | 0.62% | -39 | +240 | +$1.4M |
| 6 | Linn County | 132,843 | 0.60% | +4,110 | +384 | +$25.4M |
| 7 | Marion County | 355,777 | 0.54% | -204 | +6,992 | +$8.0M |
| 8 | Columbia County | 54,091 | 0.52% | +1,986 | +85 | +$19.4M |
| 9 | Polk County | 90,037 | 0.46% | +1,951 | +552 | +$6.7M |
| 10 | Yamhill County | 110,024 | 0.43% | +1,324 | +1,551 | +$64.0M |
Where are people moving in Oregon?
Deschutes County gained the most people from elsewhere in the United States: net domestic migration of +12,373 from 2020 to 2025 (Census PEP Vintage 2025). The table ranks every Oregon place with 10,000 or more residents by that figure; the IRS column shows net adjusted gross income migration for 2022 to 2023.
| Rank | County | Population | Growth (% per year) | Net domestic migration | Net international migration | IRS net AGI migration |
|---|---|---|---|---|---|---|
| 1 | Deschutes County | 213,072 | 1.33% | +12,373 | +1,190 | +$292.1M |
| 2 | Douglas County | 111,951 | 0.12% | +4,863 | +103 | +$11.4M |
| 3 | Linn County | 132,843 | 0.60% | +4,110 | +384 | +$25.4M |
| 4 | Crook County | 27,564 | 2.03% | +3,006 | -9 | +$24.9M |
| 5 | Josephine County | 87,867 | -0.08% | +2,805 | +216 | +$5.8M |
| 6 | Columbia County | 54,091 | 0.52% | +1,986 | +85 | +$19.4M |
| 7 | Polk County | 90,037 | 0.46% | +1,951 | +552 | +$6.7M |
| 8 | Klamath County | 70,274 | 0.19% | +1,944 | +156 | +$4.3M |
| 9 | Lincoln County | 50,636 | 0.05% | +1,871 | +335 | +$24.0M |
| 10 | Benton County | 97,728 | 0.87% | +1,847 | +2,600 | -$31.4M |
Go past the headline numbers
The interactive Demographics map layer and the full report for a single place are part of paid plans.
Get the Demographics Report for Crook CountyFrequently asked questions
- What are the fastest-growing counties in Oregon?
- By population growth from 2020 to 2025, the fastest are Crook County (2.03% a year), Deschutes County (1.33% a year), Jefferson County (0.92% a year), Benton County (0.87% a year) and Morrow County (0.62% a year) (Census PEP Vintage 2025). Only places with 10,000 or more residents are ranked.
- Where are people moving in Oregon?
- By net domestic migration from 2020 to 2025, the largest gains are Deschutes County (+12,373), Douglas County (+4,863) and Linn County (+4,110) (Census PEP Vintage 2025).
- How fast is Oregon growing overall?
- Oregon grew 0.14% a year from 2020 to 2025, to 4,273,586 residents, with net migration of +50,405 people (Census PEP Vintage 2025).
- Where does this Oregon data come from, and how current is it?
- Population, growth and migration come from the U.S. Census Bureau Population Estimates Program (PEP Vintage 2025 · 2020–2025). Income migration comes from IRS Statistics of Income (IRS SOI 2022–2023 (2-yr lag)). Counties with fewer than 10,000 residents are not ranked (7 of 36 in Oregon). Data last loaded 2026-09-23.
Data as of 2026-09-23: sources and periods
- Population, growth and migration
- U.S. Census Bureau, Population Estimates Program: PEP Vintage 2025 · 2020–2025. census.gov/programs-surveys/popest
- Income migration (net AGI)
- Internal Revenue Service, Statistics of Income migration data: IRS SOI 2022–2023 (2-yr lag). irs.gov/statistics/soi-tax-stats-migration-data
How to read the table
- Population is the Census July 1 estimate of the latest vintage.
- Growth is the compound annual rate over 2020 to 2025.
- Net domestic and international migration are cumulative people over 2020 to 2025.
- IRS net AGI migration is adjusted gross income that moved in, less what moved out, for 2022 to 2023. A plus sign means a net inflow.
- Places with fewer than 10,000 residents are left out of the rankings.