Montgomery County is located in the southwestern portion of the U.S. state of Ohio. As of the 2020 census, the population was 537,309, making it the fifth-most populous county in Ohio. The county seat is Dayton. The county was named in honor of Richard Montgomery, an American Revolutionary War general killed in 1775 while attempting to capture Quebec City, Canada. Montgomery County is part of the Dayton, Ohio Metropolitan Statistical Area. Geography According to the U.S. Census Bureau, the county has a total area of, of which is land and (0.6%) is water. Adjacent counties Miami County (north) Clark County (northeast) Greene County (east) Warren County (south) Butler County (southwest) Preble County (west) Darke County (northwest) Major highways Interstate 70 Interstate 70 Alternate Interstate 75 Interstate 675 U.S. Route 25 U.S. Route 35 U.S. Route 40 State Route 4 State Route 48
El condado de Montgomery se encuentra en la parte suroeste del estado estadounidense de Ohio. A partir del censo de 2020, la población era de 537,309, lo que lo convierte en el quinto condado más poblado de Ohio. La sede del condado es Dayton. El condado fue nombrado en honor a Richard Montgomery, un general de la Guerra Revolucionaria estadounidense asesinado en 1775 mientras intentaba capturar la ciudad de Quebec, Canadá. Montgomery County es parte de Dayton, Ohio Metropolitan Statistical Area. Geografía Según el U.S. Census Bureau, el condado tiene una superficie total de, de la cual es tierra y (0.6%) es agua. Condados adyacentes Miami County (norte) Clark County (noroeste) Greene County (este) Warren County (sur) Butler County (sur) Preble County (oeste) Darke County (noroeste) Major Highways Interstate 70 Interstate Alternate 75 Interstate Route 6 U.S. Route 48 Route 35 U.S.