Platte Woods is a city in Platte County, Missouri and is part of the Kansas City metropolitan area within the United States. The population was 385 at the 2010 census.
Platte Woods is located at 39°13′43″N 94°39′5″W (39.228573, -94.651490).
According to the United States Census Bureau, the city has a total area of 0.37 square miles (0.96 km2), all land.
As of the census of 2010, there were 385 people, 163 households, and 113 families living in the city. The population density was 1,040.5 inhabitants per square mile (401.7/km2). There were 173 housing units at an average density of 467.6 per square mile (180.5/km2). The racial makeup of the city was 95.1% White, 0.5% African American, 0.5% Native American, 2.1% Asian, and 1.8% from two or more races. Hispanic or Latino of any race were 3.6% of the population.
There were 163 households, of which 23.3% had children under the age of 18 living with them, 63.2% were married couples living together, 3.7% had a female householder with no husband present, 2.5% had a male householder with no wife present, and 30.7% were non-families. 25.8% of all households were made up of individuals, and 15.3% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.88.