Resident Population in Bronx County, NY was 1384.72400 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Bronx County, NY reached a record high of 1477.40000 in January of 1971 and a record low of 1163.91200 in January of 1981. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Bronx County, NY - last updated from the United States Federal Reserve on April of 2026.