Per Capita Personal Income in Mercer County, NJ was 79354.00000 $ in January of 2022, according to the United States Federal Reserve. Historically, Per Capita Personal Income in Mercer County, NJ reached a record high of 79354.00000 in January of 2022 and a record low of 4475.00000 in January of 1969. Trading Economics provides the current actual value, an historical data chart and related indicators for Per Capita Personal Income in Mercer County, NJ - last updated from the United States Federal Reserve on May of 2024.