While other areas of the United States doubled in size on a census by census basis, Massachusetts had grown by 11.6% in 1800 to a figure of 422,845. Population increases of a similar nature (in the order of 20% per decade on average) were experienced throughout the 19th century.
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.
Middletown Area School District, is a small, suburban, public school district located in Middletown, Pennsylvania serving students in a portion of southern Dauphin County. The district includes the boroughs of Middletown and Royalton and Lower Swatara Township in Dauphin County. Middletown Area School District encompasses approximately 17 square miles. According to 2000 federal census data, it served a resident population of 18,355. By 2010, the district's population declined to 18,084 people. T