Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Clinton County, IA was 41804.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Clinton County, IA reached a record high of 45929.00000 in January of 2009 and a record low of 41804.00000 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Clinton County, IA - last updated from the United States Federal Reserve on May of 2024.