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.









