Resident Population in Johnson City, TN (MSA) was 214.94800 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Johnson City, TN (MSA) reached a record high of 214.94800 in January of 2024 and a record low of 181.98900 in January of 2000. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Johnson City, TN (MSA) - last updated from the United States Federal Reserve on April of 2026.