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Mack is a census-designated place (CDP) in Green and Miami townships, Hamilton County, Ohio, United States. The population was 11,585 at the 2010 census.[3] At prior censuses, the community was listed as two separate CDPs, Mack North and Mack South.

Mack, Ohio
Census-designated place
Location in Hamilton County and the state of Ohio.
Location in Hamilton County and the state of Ohio.
Coordinates: 39°9′28″N 84°38′58″W / 39.15778°N 84.64944°W / 39.15778; -84.64944Coordinates: 39°9′28″N 84°38′58″W / 39.15778°N 84.64944°W / 39.15778; -84.64944
Country United States
State Ohio
County Hamilton
 • Total 9.3 sq mi (24.0 km2)
 • Land 9.3 sq mi (24.0 km2)
 • Water 0 sq mi (0 km2)
Elevation[1] 909 ft (277 m)
Population (2010)
 • Total 11,585
 • Density 1,300/sq mi (480/km2)
Time zone Eastern (EST) (UTC-5)
 • Summer (DST) EDT (UTC-4)
ZIP code 45211, 45248
FIPS code 39-46088[2]
GNIS feature ID 1042867[1]



Mack was originally known as Dry Ridge in the 19th century.[4][5] Andrew Mack was a local politician.[6]


Mack is located at 39°9′28″N 84°38′58″W / 39.15778°N 84.64944°W / 39.15778; -84.64944,[7] 10 miles (16 km) northwest of downtown Cincinnati. Ohio State Route 264 (Bridgetown Road) is the main road through the community, running east into Bridgetown and west to Cleves. Its neighbors are Bridgetown to the east, Covedale to the southeast, Delhi Township to the south, Addyston to the southwest, and North Bend and Miami Heights to the west.

According to the United States Census Bureau, the CDP has a total area of 9.3 square miles (24.0 km2), all land.[3]


Oak Hills School District operates public schools. Springmyer Elementary School and John F. Dulles Elementary School are in Mack.[8][8][9][10]

Public Library of Cincinnati and Hamilton County operates the Green Township Branch in Mack.[10][11] The branch, which opened in January 1990, has a central copper dome with two smaller domed structures, which were designed to resemble the barns of horse farms which at one time were prevalent in Green Township.[11]