Pre-1800 - The Wyandot Indians live in Raccoon Town in what later becomes Johnstown and Monroe Township. 1800 - John Alston Brown was deeded 4,000 acres of land (in the Johnstown area) by President John Adams. 1803 - Ohio became the 17th state to join the Union on March 1st. 1806 - George Washington Green and Charles Green explored the area of what is now the Johnstown area to get ready to settle their families here. 1807 - The George Washington Evans family settled in the area, followed by the Green families. George and Charles Green purchased land from the Wyandots. 1807 - On September 15th, Mahala Green was born to George and Diadema Green and became the first white child born in what is now called Johnstown. 1808 - Licking County was formed and named for the salt licks in the area. 1810 - On December 28th, John Alston Brown sold his ownership of land to Dr. Oliver Bigelow for $2.50 per acre ($10,000.00). 1813 - Dr. Bigelow incorporated the Village of Johnstown in the State of Ohio. 1817 - Dr. Bigelow donated streets, alleys, the public square and the cemetery (Bigelow Cemetery) to the Village of Johnstown. 1817 Dr. Bigelow died on the 6th of November. and is buried at the cemetery that he had donated to the village. 1830 - Johnstown's population is 217. 1860 - Johnstown's population is 241. 1880 -Toledo & Ohio Central (T. and O.C.) train passed through Johnstown and was the first train to do so. 1880 - The population of Johnstown is 279 residents. 1883 - Elijah Barton started construction on the Township Hall/Opera House. 1884 - Mr. Barton completed the township hall, including the second floor crowning touch of an opera house. 1885 - On January 1st, the ribbons were cut for the dedication of the new township hall on the public square of Johnstown. 1890 - Johnstown's population is 424. 1900 - Johnstown's population is 638. 1900 - Electric lights are installed in Johnstown. 1910 - Johnstown's population is 805. 1930 - Johnstown's population is 1006. 1950 - Johnstown's population is 1220. 1960 - Johnstown's population is 2881. 1963 - Johnstown's Sesquicentennial celebration. 1990 - Johnstown's population is 3268. 2010 - Johnstown's population is 4632. 2013 - Johnstown's Bicentennial celebration. 2021 - Johnstown's population is 5166. 2021 - On October 21st, the Village of Johnstown became the City of Johnstown.