What are the fastest-growing counties in Texas?
Kaufman County is the fastest-growing county in Texas: its population grew 7.29% a year from 2020 to 2025, to 209,235 residents (Census PEP Vintage 2025). Liberty County (5.59%) and Rockwall County (5.21%) follow. Texas as a whole grew 1.64% a year to 31,709,821 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 Texas by population growth, 2020 to 2025
| Rank | County | Population | Growth (% per year) | Net domestic migration | Net international migration | IRS net AGI migration |
|---|---|---|---|---|---|---|
| 1 | Kaufman County | 209,235 | 7.29%* | +53,458 | +1,654 | +$178.1M |
| 2 | Liberty County | 121,364 | 5.59%* | +24,555 | +1,644 | +$102.8M |
| 3 | Rockwall County | 140,738 | 5.21%* | +27,790 | +1,075 | +$234.7M |
| 4 | Comal County | 209,166 | 5.04%* | +43,984 | +607 | +$421.8M |
| 5 | Montgomery County | 781,194 | 4.55% | +116,575 | +21,176 | +$853.9M |
| 6 | Hays County | 304,390 | 4.52% | +47,293 | +4,642 | +$463.6M |
| 7 | Ellis County | 240,867 | 4.39% | +39,618 | +1,223 | +$248.7M |
| 8 | Parker County | 184,767 | 4.32% | +32,463 | +1,095 | +$287.1M |
| 9 | Hunt County | 123,336 | 4.23% | +19,905 | +1,489 | +$114.4M |
| 10 | Chambers County | 57,594 | 4.15% | +8,642 | +465 | +$47.8M |
* Growth above 5% a year. The Census estimate is shown as published; the pipeline marks, and does not alter, rates this high.
Where are people moving in Texas?
Collin County gained the most people from elsewhere in the United States: net domestic migration of +125,343 from 2020 to 2025 (Census PEP Vintage 2025). The table ranks every Texas 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 | Collin County | 1,297,179 | 3.82% | +125,343 | +63,013 | +$888.2M |
| 2 | Montgomery County | 781,194 | 4.55% | +116,575 | +21,176 | +$853.9M |
| 3 | Williamson County | 752,827 | 4.11% | +93,840 | +22,567 | +$988.2M |
| 4 | Denton County | 1,069,346 | 3.18% | +93,432 | +30,796 | +$1.22B |
| 5 | Fort Bend County | 975,191 | 3.27% | +79,829 | +42,120 | +$170.2M |
| 6 | Kaufman County | 209,235 | 7.29%* | +53,458 | +1,654 | +$178.1M |
| 7 | Hays County | 304,390 | 4.52% | +47,293 | +4,642 | +$463.6M |
| 8 | Comal County | 209,166 | 5.04%* | +43,984 | +607 | +$421.8M |
| 9 | Ellis County | 240,867 | 4.39% | +39,618 | +1,223 | +$248.7M |
| 10 | Bexar County | 2,160,088 | 1.40% | +39,218 | +58,737 | -$209.0M |
* Growth above 5% a year. The Census estimate is shown as published; the pipeline marks, and does not alter, rates this high.
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 Kaufman CountyFrequently asked questions
- What are the fastest-growing counties in Texas?
- By population growth from 2020 to 2025, the fastest are Kaufman County (7.29% a year), Liberty County (5.59% a year), Rockwall County (5.21% a year), Comal County (5.04% a year) and Montgomery County (4.55% a year) (Census PEP Vintage 2025). Only places with 10,000 or more residents are ranked.
- Where are people moving in Texas?
- By net domestic migration from 2020 to 2025, the largest gains are Collin County (+125,343), Montgomery County (+116,575) and Williamson County (+93,840) (Census PEP Vintage 2025).
- How fast is Texas growing overall?
- Texas grew 1.64% a year from 2020 to 2025, to 31,709,821 residents, with net migration of +1,776,114 people (Census PEP Vintage 2025).
- Where does this Texas 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 (91 of 254 in Texas). 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.