1962Government
Richmond Hill was incorporated as a city in 1962.
1989Government
The previous mayor, Richard Davis served in that capacity since 1989.
2011Military
== Healthcare ==
In 2011, Winn Army Community Hospital opened to serve the large military population in the area.
2020History
== Demographics ==
As of the 2020 United States census, there were 16,633 people, 4,334 households, and 3,431 families residing in the city.