Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Hardin County, IA was 15382.00000 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 Hardin County, IA reached a record high of 16626.00000 in January of 2010 and a record low of 15382.00000 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 Hardin County, IA - last updated from the United States Federal Reserve on May of 2024.