Resident Population in Kendall County, TX was 50.53700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Kendall County, TX reached a record high of 50.53700 in January of 2023 and a record low of 6.96400 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Kendall County, TX - last updated from the United States Federal Reserve on May of 2024.