In the early twentieth century, Gilman's population grew to 761 people, and the city began developing as a transfer point for railroads. The city had two railroads operating by this time, the Toledo Peoria and Western Railroad and the Gilman, Clinton and Springfield Railway. The latter was a railroad that never quite met Gilman's high expectations, and the city suffered a fire in 1883.
The area around the parks and major airports is low in population, since few people live near these areas. Crime rates may look higher in these areas because few people live in those parts of Gilman City. However, crime happens everywhere. Therefore, crime statistics are only helpful in general when it comes to determining safety in a given area. In addition, consider the neighborhood's proximity to a park or recreation center.
The median age in Gilman City was 31.6 years. Of this total population, 29% of residents were under the age of 18, 8.3% were between the ages of 25 and 44, 18.4% were between 45 and 64 years old, and 14.4% of the city's residents were 65 and older. In terms of gender, the city had a 49:50 split. The local post office was located in a saloon, and there was a cheese factory in town.
The population of Gilman City is low, with a median house value of $26,042. Its black and hispanic races are both lower than the state average. In addition, the percentage of foreign-born residents and the percentage of residents with a bachelor's degree or higher is lower than the state average. The median age of residents is also lower than the state average, and the city has a very low rate of crime.