On December 16, 1861, Colonel W. James Morgan's Union Squad razed Platte City, including the courthouse.

On April 3, 1882, Jesse James planned a robbery of the Platte City bank, but it was never carried out due to his assassination by Robert Ford on the morning of the raid.

[5] On July 19, 1933 Bonnie and Clyde were ambushed by, and engaged in, a shootout with local authorities just south of Platte City at the Red Crown Tourist Court.

The Frederick Krause Mansion and Platte County Courthouse are listed on the National Register of Historic Places.

Tracy lies on the north side of the river flood plain.

[7] Gibson Branch headwaters within the city limits and flows southwesterly out of it into the Platte River.

34.9% of all households were made up of individuals, and 9.3% had someone living alone who was 65 years of age or older.

25.7% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older.