What are the fastest-growing counties in Arkansas?
Benton County is the fastest-growing county in Arkansas: its population grew 3.02% a year from 2020 to 2025, to 332,554 residents (Census PEP Vintage 2025). Madison County (2.15%) and Washington County (1.91%) follow. Arkansas as a whole grew 0.66% a year to 3,114,791 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 Arkansas by population growth, 2020 to 2025
| Rank | County | Population | Growth (% per year) | Net domestic migration | Net international migration | IRS net AGI migration |
|---|---|---|---|---|---|---|
| 1 | Benton County | 332,554 | 3.02% | +30,727 | +7,677 | +$220.3M |
| 2 | Madison County | 18,410 | 2.15% | +1,710 | +103 | +$5.8M |
| 3 | Washington County | 271,213 | 1.91% | +10,810 | +7,320 | +$94.8M |
| 4 | Faulkner County | 133,979 | 1.59% | +7,541 | +996 | +$32.7M |
| 5 | Saline County | 133,288 | 1.48% | +8,570 | +1,276 | +$57.2M |
| 6 | Izard County | 14,405 | 1.15% | +1,414 | -16 | +$7.8M |
| 7 | Craighead County | 116,957 | 0.94% | +2,707 | +733 | +$0.8M |
| 8 | Sharp County | 18,122 | 0.92% | +1,476 | +7 | +$6.4M |
| 9 | Marion County | 17,593 | 0.85% | +1,535 | +11 | +$14.5M |
| 10 | White County | 80,085 | 0.83% | +3,800 | +214 | +$11.5M |
Where are people moving in Arkansas?
Benton County gained the most people from elsewhere in the United States: net domestic migration of +30,727 from 2020 to 2025 (Census PEP Vintage 2025). The table ranks every Arkansas 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 | Benton County | 332,554 | 3.02% | +30,727 | +7,677 | +$220.3M |
| 2 | Washington County | 271,213 | 1.91% | +10,810 | +7,320 | +$94.8M |
| 3 | Saline County | 133,288 | 1.48% | +8,570 | +1,276 | +$57.2M |
| 4 | Faulkner County | 133,979 | 1.59% | +7,541 | +996 | +$32.7M |
| 5 | Baxter County | 42,982 | 0.61% | +3,836 | -38 | +$16.9M |
| 6 | White County | 80,085 | 0.83% | +3,800 | +214 | +$11.5M |
| 7 | Craighead County | 116,957 | 0.94% | +2,707 | +733 | +$0.8M |
| 8 | Crawford County | 62,657 | 0.82% | +2,502 | +548 | +$14.3M |
| 9 | Garland County | 99,695 | -0.11% | +2,357 | +531 | +$12.7M |
| 10 | Lonoke County | 76,664 | 0.69% | +2,218 | +243 | +$20.4M |
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 Benton CountyFrequently asked questions
- What are the fastest-growing counties in Arkansas?
- By population growth from 2020 to 2025, the fastest are Benton County (3.02% a year), Madison County (2.15% a year), Washington County (1.91% a year), Faulkner County (1.59% a year) and Saline County (1.48% a year) (Census PEP Vintage 2025). Only places with 10,000 or more residents are ranked.
- Where are people moving in Arkansas?
- By net domestic migration from 2020 to 2025, the largest gains are Benton County (+30,727), Washington County (+10,810) and Saline County (+8,570) (Census PEP Vintage 2025).
- How fast is Arkansas growing overall?
- Arkansas grew 0.66% a year from 2020 to 2025, to 3,114,791 residents, with net migration of +112,691 people (Census PEP Vintage 2025).
- Where does this Arkansas 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 (17 of 75 in Arkansas). 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.