Resident Population in Mobile County, AL was 411.64000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Mobile County, AL reached a record high of 415.16900 in January of 2016 and a record low of 317.30800 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Mobile County, AL - last updated from the United States Federal Reserve on May of 2024.