Montgomery County, Ohio | ||
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Current Montgomery County Courthouse
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Location in the U.S. state of Ohio |
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Ohio's location in the U.S. |
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Founded | May 1, 1803 | |
Named for | Richard Montgomery | |
Seat | Dayton | |
Largest city | Dayton | |
Area | ||
• Total | 464 sq mi (1,202 km2) | |
• Land | 462 sq mi (1,197 km2) | |
• Water | 2.8 sq mi (7 km2), 0.6% | |
Population (est.) | ||
• (2013) | 535,846 | |
• Density | 1,159/sq mi (447/km²) | |
Congressional district | 10th | |
Time zone | Eastern: UTC-5/-4 | |
Website | www |
Montgomery County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 535,153, 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.
According to the U.S. Census Bureau, the county has a total area of 464 square miles (1,200 km2), of which 462 square miles (1,200 km2) is land and 2.8 square miles (7.3 km2) (0.6%) is water.
As of the census of 2000, there were 559,062 people, 229,229 households, and 146,935 families residing in the county. The population density was 1,211 people per square mile (468/km²). There were 248,443 housing units at an average density of 538 per square mile (208/km²). The racial makeup of the county was 76.57% White, 19.86% Black or African American, 0.23% Native American, 1.31% Asian, 0.04% Pacific Islander, 0.49% from other races, and 1.51% from two or more races. 1.27% of the population were Hispanic or Latino of any race.