Princeton is a city in Collin County, Texas, United States. As of the 2010 census it had a population of 6,807, with an accumulation to 17,027 in 2020.

In the late 1870s T. B. Wilson and his brother George began farming near the site of progressive Princeton. In 1881 the Missouri, Kansas and Texas Railroad Company lengthy its stock from Greenville to McKinney, passing through house owned by the brothers. The name “Wilson’s Switch” was commonly used to give the area. When residents applied for a name office branch, however, they scholarly that the say Wilson was already subconscious used. The community next submitted the name “Princeton” in award of Prince Dowlin, a landowner and promoter of the town. This name was accepted, and a publish office was traditional in 1888.

In 1940, a camp of 76 cabins was built west of Princeton to home up to 400 migrant workers, who came to affect during the onion and cotton seasons. In February 1945, the site became a prisoner-of-war camp for German prisoners captured during the Second World War. The local farmers paid the POWs to work upon their farms. This operation continued for eight months. Under a special bill, the German prisoners were contracted to work on the City Park located across from city hall. The park was built as a living memorial and shrine to those who served and died during World War II. The Community Park/WWII P.O.W. Camp is located at 500 West College Street.

Members of the Princeton Independent School District and the Princeton Lions Club have teamed going on annually to preserve the Princeton Onion Festival. It is a major festival for the town that began in 2005 and is customary to occur on the fourth Saturday of April each year.