Number of Private for All Industries in Napa County, CA was 6000.00000 Establishments in July of 2023, according to the United States Federal Reserve. Historically, Number of Private for All Industries in Napa County, CA reached a record high of 6000.00000 in July of 2023 and a record low of 3323.00000 in January of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for Number of Private for All Industries in Napa County, CA - last updated from the United States Federal Reserve on May of 2024.