Resident Population in Clark County, IL

Resident Population in Clark County, IL was 15.07600 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Clark County, IL reached a record high of 17.16700 in January of 1981 and a record low of 15.07600 in January of 2024. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Clark County, IL - last updated from the United States Federal Reserve on April of 2026.



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