Monroe, Washington known as Park Place. However, the city's merchants relocated when the railroad survey was completed to have better access to the new transportation corridor. The new development was originally known as Tye City, but became Monroe when Park Place's main store, the one containing the U.S. Post Office, relocated and took up the name "Monroe at Park Place" in honor of James Monroe, the nation's fifth president. Because the U.S. Postal Department would not allow any new post offices to use double names, the post office, and eventually the town, became known simply as "Monroe." By 1893 the city had
Monroe County, Michigan River Raisin National Battlefield Park. Monroe County was formed from the southern portion of Wayne County in 1817. At the time, the Michigan Territory, which had not yet received statehood, consisted of only Wayne County since Detroit was the only area with a population over 1,000 people. When the area became more populated, the southern portion of Wayne County was broken off to form Monroe County with the settlement of Frenchtown was platted with the name "Monroe". The settlement also incorporated as a village in 1817 and became the county seat of Monroe County. The county and its county seat