Montgomery is a city located in Montgomery County, Texas, United States. As of the 2020 census, the city had a total population of 1,948. The t…Montgomery is a city located in Montgomery County, Texas, United States. As of the 2020 census, the city had a total population of 1,948. The town of Montgomery was founded in the middle of the Lake Creek Settlement by W. W. Shepperd in July 1837 on 200 acres of land that had originally been part of the John Corner League. Shepperd had established the first store in the Lake Creek Settlement in 1835. W. W. Shepperd and his partner John Wyatt Moody named the town Montgomery.