In 1860, the population reached 430, but declined to 396 in 1870. Forest Grove was incorporated by the state in 1872, the first in the county. In 1880, the now Chemawa Indian School opened in the city to forcibly assimilate Native American children, but moved to Salem in 1884. The city started the Fire Department in 1894. The population reached nearly 1,300 in 1900.
In 1860, the population reached 430 but declined to 396 in 1870. Forest Grove was incorporated by the state in 1872, the first in the county. In 1880, the now Chemawa Indian School opened in the city to forcibly assimilate Native American children, but moved to Salem in 1884. The city started the Fire Department in 1894. The population reached nearly 1,300 in 1900.