Princeton is a city in Green Lake County, Wisconsin, United States. The population was 1,504 at the 2000 census. The city is located within the Town of Princeton, though it is politically independent.
Princeton holds the largest outdoor flea market in the state of Wisconsin. The flea market is held in Princeton's City Park every Saturday from April until October. It has a small airfield called Bed-ah-Wick Field just east of downtown Water Street, on which small, private planes can land. Water Street is the main artery leading through of the downtown of the city of Princeton. There are a few old bars on the street that are still very popular places to have fun and get a drink. The Stars and Strikes bar is actually a four lane bowling ally converted into a pub. There is a bakery at the eastern edge of the street and at the very western end is an old icecream shop. In the middle and a bit to the north, there is a bank, post office, and a fire station. From Water Street looking south you can see the Fox River curve around the marsh as it passes under the bridge dividing East Princeton from the larger west side.
In the middle of the city is a one-hundred year-old building which houses The Pizza Factory, a local business which has won several national awards for its pizza creations. The building was constructed from bricks taken from the first church built near Princeton in the 1850s. This historic building has been a social center for the city since the early 1900s. At one time being the famous Warnke Pool Hall in the 1920s. In later years it was a "beer-bar" for 18-year-olds and is now a restaurant.
St. Mary of The Springs Catholic Church was erected north of the city in the 1850s which is now known as the St. Marie township.
There were 576 households out of which 26.9% had children under the age of 18 living with them, 48.6% were married couples living together, 8.7% had a female householder with no husband present, and 38.7% were non-families. 34.2% of all households were made up of individuals and 21.7% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 2.97.
In the city the population was spread out with 21.1% under the age of 18, 6.5% from 18 to 24, 22.5% from 25 to 44, 20.1% from 45 to 64, and 29.7% who were 65 years of age or older. The median age was 45 years. For every 100 females there were 79.0 males. For every 100 females age 18 and over, there were 76.1 males.
The median income for a household in the city was $32,679, and the median income for a family was $41,023. Males had a median income of $31,912 versus $21,719 for females. The per capita income for the city was $18,047. About 5.1% of families and 12.9% of the population were below the poverty line, including 12.0% of those under age 18 and 23.5% of those age 65 or over.