Population Estimate, Total, Not Hispanic or Latino, Asian Alone (5-year estimate) in Lewis and Clark County, MT was 459.00000 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 Lewis and Clark County, MT reached a record high of 519.00000 in January of 2009 and a record low of 275.00000 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 Lewis and Clark County, MT - last updated from the United States Federal Reserve on May of 2024.