The City of Monrovia was founded in 1822, barely 25 years before the Declaration of Independence in 1847. On February 8, 1922 the City of Monrovia, a Commonwealth District was enacted with Mr. James A. Brown serving as the first Governor of Monrovia in 1835.

In 1922, the First Commissioner of the Commonwealth District of Monrovia was J. Samuel Dennis. Under the new Act of July 19, 1973, the City of Monrovia became a Municipal Government with Mr. Edward A. David becoming the first Mayor of the City of Monrovia.