Between 2020 and 2025, Kendall County saw a 20.3% population increase, according to county-level data released by the U.S. Census Bureau in March.
Of this population increase, the majority of new residents are identified as domestic migrants, meaning the largest cause of population growth in the county is people moving in.
Breaking it down
Census data highlights population growth as of July 1 each year. In 2020, Kendall County had an estimated population of 44,568, increasing to an estimated 53,289 in 2025.
During the 2020-2025 period, the county's state population rank changed from 76 to 73.
When comparing growth rate rankings, the county ranked 40th from 2020 to 2025.
Diving deeper
Data from the bureau shows the largest contributor to population growth in the county is domestic migration, or people moving to the county from other parts of the country. International migration was the lowest contributing factor to population change.
In both annual and cumulative measurements, the natural population growth in the county decreased, meaning more county residents died than were born. Between 2024 and 2025, the census data indicated 475 deaths and 439 births.
The total population increase across all categories between 2024 and 2025 was 1,312. Overall, the county ranks within the top 50 Texas counties for annual growth, driven by new residents moving in.
