what area is zip code 45205
45205 zip code is part of Hamilton County. 45205 zip code has 2.90 square miles of land area and has no water area.As of 2010, the total 45205 zip code population is 19,389, which has shrunk 16.22% since 2000. The population growth rate is much lower than the state average rate of 1.62% and is much lower than the national average rate of 9.71%.5205 zip code is part of Hamilton County. 45205 zip code has 2.90 square miles of land area and has no water area.