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Population of Middletown, OH. Last official estimated population of Middletown city (Butler County**, Ohio state) was 48,791 (year 2014)[1]. This was 0.015% of total US population and 0.42% of total Ohio state population. Area of Middletown city is 26.4 miÂ² (=68.4 kmÂ²)[6], in this year population density was 1,846.81 p/miÂ².
Population of Fremont, OH. Last official estimated population of Fremont city (Sandusky County**, Ohio state) was 16,448 (year 2014) [1]. This was 0.005% of total US population and 0.14% of total Ohio state population. Area of Fremont city is 8.6 miÂ² (=22.2 kmÂ²) [6], in this year population density was 1,920.82 p/miÂ². If population growth rate would be same as in period 2010-2014 (-0.43%/yr), Fremont city population in 2018 would be 16,167*.