Famous Princeton Flea Market in Princeton, Wisconsin, operates every Saturday from April 18, 2026, through October 10, 2026. Located in City Park, the market officially opens at 6:00 a.m. and runs until 1:00 p.m. or early afternoon, featuring hundreds of vendors with free admission and parking.
www.cityofprincetonwi.com
Location: City Park, 419-499 S Fulton St (Hwy 23), Princeton, WI.
Time: Saturdays, 6:00 a.m. – 1:00 p.m.
Duration: April 19, 2026 – October 11, 2026.
Details: It is recognized as Wisconsin's largest outdoor weekly flea market, featuring produce, antiques, and local food.
Note: No dogs are allowed in the park per city ordinance unless they are service dogs.