Population Estimate, Total, Not Hispanic or Latino, Asian Alone (5-year estimate) in Lyon County, IA was 40.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Asian Alone (5-year estimate) in Lyon County, IA reached a record high of 72.00000 in January of 2021 and a record low of 19.00000 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, Asian Alone (5-year estimate) in Lyon County, IA - last updated from the United States Federal Reserve on May of 2024.