United States - Population, Total for Upper Middle Income Countries was 2522452391.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, United States - Population, Total for Upper Middle Income Countries reached a record high of 2522452391.00000 in January of 2020 and a record low of 1136464260.00000 in January of 1960. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Population, Total for Upper Middle Income Countries - last updated from the United States Federal Reserve on March of 2024.