[5] The first settlers arrived in 1846 to farm cotton in the black fertile prairie soil.

When community officials applied for a post office with the name "Richland", they were informed that the city name was already taken.

The Prosper Community of Windsong Ranch features a man-made crystalline lagoon.

The event combines the Prosper Fire Department's "Barbecue Cookoff", a 5K race, an art show, a music festival, and a Sunday Family Fellowship.

[15][16] In January 2018, Prosper ISD began construction of a natatorium and a football stadium.

[19] The Glenbrooke and Doe Creek subdivisions in far west Prosper are within the Denton Independent School District.