Resident Population in Gainesville, GA (MSA) was 221.74500 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Gainesville, GA (MSA) reached a record high of 221.74500 in January of 2024 and a record low of 140.88600 in January of 2000. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Gainesville, GA (MSA) - last updated from the United States Federal Reserve on September of 2025.