Resident Population in Laramie County, WY was 100.98400 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Laramie County, WY reached a record high of 100.98400 in January of 2023 and a record low of 56.36000 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Laramie County, WY - last updated from the United States Federal Reserve on May of 2024.