Montgomery County is located in Pennsylvania with a population with 799,874. It is the third-most populous county in the U.S. state of the Commonwealth of Pennsylvania, and the 71st most populous in the United States. Montgomery County is geographically diverse, ranging from farms and open land in the extreme north of the county to densely populated urban neighborhoods in the southern and central portions of the county. Montgomery County is a suburban county northwest of Philadelphia and was named the 9th Best Place to Raise a Family by Forbes in 2008.
The county was created on September 10, 1784, out of land originally part of Philadelphia County. The county is believed to have been named either for Richard Montgomery, an American Revolutionary War general killed in 1775 while attempting to capture Quebec City, Canada. However, historical records of the county indicate the origin of the county’s name as uncertain.