What are the fastest-growing counties in Oklahoma?
Canadian County is the fastest-growing county in Oklahoma: its population grew 3.79% a year from 2020 to 2025, to 187,189 residents (Census PEP Vintage 2025). McClain County (3.44%) and Wagoner County (2.76%) follow. Oklahoma as a whole grew 0.78% a year to 4,123,288 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 Oklahoma by population growth, 2020 to 2025
| Rank | County | Population | Growth (% per year) | Net domestic migration | Net international migration | IRS net AGI migration |
|---|---|---|---|---|---|---|
| 1 | Canadian County | 187,189 | 3.79% | +27,054 | +1,016 | +$112.4M |
| 2 | McClain County | 49,647 | 3.44% | +7,384 | +51 | +$28.7M |
| 3 | Wagoner County | 93,263 | 2.76% | +10,866 | +719 | +$67.4M |
| 4 | Logan County | 55,473 | 2.20% | +4,942 | +310 | +$29.4M |
| 5 | Bryan County | 51,367 | 2.09% | +4,969 | +183 | +$8.1M |
| 6 | Grady County | 59,128 | 1.50% | +4,585 | +135 | +$21.6M |
| 7 | Rogers County | 102,197 | 1.39% | +6,810 | +305 | +$52.3M |
| 8 | Love County | 10,780 | 1.19% | +555 | +147 | +$0.5M |
| 9 | Marshall County | 16,255 | 1.17% | +1,002 | +159 | +$3.4M |
| 10 | Lincoln County | 35,278 | 1.03% | +2,285 | +14 | +$18.8M |
Where are people moving in Oklahoma?
Canadian County gained the most people from elsewhere in the United States: net domestic migration of +27,054 from 2020 to 2025 (Census PEP Vintage 2025). The table ranks every Oklahoma 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 | Canadian County | 187,189 | 3.79% | +27,054 | +1,016 | +$112.4M |
| 2 | Wagoner County | 93,263 | 2.76% | +10,866 | +719 | +$67.4M |
| 3 | McClain County | 49,647 | 3.44% | +7,384 | +51 | +$28.7M |
| 4 | Rogers County | 102,197 | 1.39% | +6,810 | +305 | +$52.3M |
| 5 | Bryan County | 51,367 | 2.09% | +4,969 | +183 | +$8.1M |
| 6 | Logan County | 55,473 | 2.20% | +4,942 | +310 | +$29.4M |
| 7 | Grady County | 59,128 | 1.50% | +4,585 | +135 | +$21.6M |
| 8 | Creek County | 74,967 | 0.85% | +4,034 | +87 | +$39.1M |
| 9 | Pottawatomie County | 75,102 | 0.70% | +3,460 | +168 | +$22.2M |
| 10 | Delaware County | 41,910 | 0.75% | +2,909 | +36 | +$31.2M |
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 Canadian CountyFrequently asked questions
- What are the fastest-growing counties in Oklahoma?
- By population growth from 2020 to 2025, the fastest are Canadian County (3.79% a year), McClain County (3.44% a year), Wagoner County (2.76% a year), Logan County (2.20% a year) and Bryan County (2.09% a year) (Census PEP Vintage 2025). Only places with 10,000 or more residents are ranked.
- Where are people moving in Oklahoma?
- By net domestic migration from 2020 to 2025, the largest gains are Canadian County (+27,054), Wagoner County (+10,866) and McClain County (+7,384) (Census PEP Vintage 2025).
- How fast is Oklahoma growing overall?
- Oklahoma grew 0.78% a year from 2020 to 2025, to 4,123,288 residents, with net migration of +154,912 people (Census PEP Vintage 2025).
- Where does this Oklahoma 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 (20 of 77 in Oklahoma). 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.