Resident Population in Mono County, CA was 13.06600 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Mono County, CA reached a record high of 14.45000 in January of 2019 and a record low of 4.01600 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Mono County, CA - last updated from the United States Federal Reserve on May of 2024.