United States - Population, Total for Middle Income Countries was 5853104938.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, United States - Population, Total for Middle Income Countries reached a record high of 5853104938.00000 in January of 2020 and a record low of 2126448264.00000 in January of 1960. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Population, Total for Middle Income Countries - last updated from the United States Federal Reserve on April of 2024.