Frenchtown Borough is located along the banks of the Delaware River. Various names have been applied to this settlement, after the many ferry operators residing on both sides of the river. Alexandria Ville, Sunbeam, and Frenchtown were the official names by which this community was known over the years. The Borough was formed by an Act of the New Jersey Legislature on April 4, 1867, from portions of Alexandria Township. Additional territory was gained from Kingwood Township in 1865.
The first bridge across the Delaware at Frenchtown was a six-span covered wooden bridge built in 1841 on the five piers that still stand today, and the community became a gateway to Pennsylvania. The Uhlerstown-Frenchtown Bridge, a free Delaware River Joint Toll Bridge Commission bridge over the Delaware River connects Frenchtown to Uhlerstown, Bucks County, Pennsylvania.
As of the census of 2000, there were 1,488 people, 613 households, and 375 families residing in the borough. The population density was 1,160.7 people per square mile (448.8/km²). There were 630 housing units at an average density of 491.4/sq mi (190.0/km²). The racial makeup of the borough was 95.97% White, 0.40% African American, 0.20% Native American, 1.21% Asian, 1.34% from other races, and 0.87% from two or more races. Hispanic or Latino of any race were 2.62% of the population.
There were 613 households out of which 30.7% had children under the age of 18 living with them, 49.9% were married couples living together, 8.5% had a female householder with no husband present, and 38.7% were non-families. 28.9% of all households were made up of individuals and 7.8% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.99.
In the borough the population was spread out with 22.5% under the age of 18, 6.5% from 18 to 24, 35.2% from 25 to 44, 25.9% from 45 to 64, and 9.8% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 94.0 males. For every 100 females age 18 and over, there were 95.4 males.
The median income for a household in the borough was $52,109, and the median income for a family was $62,132. Males had a median income of $42,321 versus $30,952 for females. The per capita income for the borough was $27,765. About 2.4% of families and 3.3% of the population were below the poverty line, including 4.0% of those under age 18 and 1.4% of those age 65 or over.
According to the NJSP Website there are no registered sex offenders located in Frenchtown in 2007.
Frenchtown is the northern terminus of Route 29, the western terminus of Route 12, and the southern terminus of Route 513.