New Knoxville was platted in 1836. A post office called New Knoxville has been in operation since 1858. New Knoxville's community historical society maintains a historical museum in the village consisting of five buildings. Three of the buildings in the "Heritage Center Complex" are listed on the National Register of Historic Places because of their place as the home and office of Dr. H.E. Fledderjohann, a leading member of the community at the turn of the twentieth century.
Geography
New Knoxville is located at . According to the United States Census Bureau, the village has a total area of, all land.
As of the census of 2010, there were 879 people, 355 households, and 250 families residing in the village. The population density was. There were 382 housing units at an average density of. The racial makeup of the village was 98.6% White, 0.3% Native American, 0.3% from other races, and 0.7% from two or more races. Hispanic or Latino of any race were 1.3% of the population. There were 355 households of which 35.8% had children under the age of 18 living with them, 57.5% were married couplesliving together, 7.3% had a female householder with no husband present, 5.6% had a male householder with no wife present, and 29.6% were non-families. 26.5% of all households were made up of individuals and 13.2% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 2.98. The median age in the village was 39.4 years. 27.6% of residents were under the age of 18; 4.7% were between the ages of 18 and 24; 25% were from 25 to 44; 27.3% were from 45 to 64; and 15.4% were 65 years of age or older. The gender makeup of the village was 49.4% male and 50.6% female.
2000 census
As of the census of 2000, there were 891 people, 348 households, and 249 families residing in the village. The population density was 1,135.4 people per square mile. There were 364 housing units at an average density of 463.9 per square mile. The racial makeup of the village was 98.54% White, 0.22% African American, 0.34% Asian, and 0.90% from two or more races. Hispanic or Latino of any race were 0.11% of the population. There were 348 households out of which 37.4% had children under the age of 18 living with them, 62.1% were married couples living together, 7.5% had a female householder with no husband present, and 28.4% were non-families. 26.4% of all households were made up of individuals and 12.9% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 3.13. In the village, the population was spread out with 28.1% under the age of 18, 7.4% from 18 to 24, 32.4% from 25 to 44, 16.8% from 45 to 64, and 15.3% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 92.0 males. For every 100 females age 18 and over, there were 92.5 males. The median income for a household in the village was $42,375, and the median income for a family was $51,000. Males had a median income of $33,833 versus $23,750 for females. The per capita income for the village was $18,800. About 4.1% of families and 4.7% of the population were below the poverty line, including 5.4% of those under age 18 and 5.5% of those age 65 or over.
Businesses and churches
New Knoxville is home to the First Church of New Knoxville and to New Knoxville United Methodist Church. Hoge Lumber is one of the largest businesses and employers in New Knoxville. Hoge Lumber is the world's largest producer of wood bowling lanes and has manufactured upward of 100,000 wood lanes. Crown Equipment Corporation has a manufacturing facility in New Knoxville and hangars their corporate jets at New Knoxville's Auglaize County/Neil Armstrong airport. The Way International is a religious organization founded by Dr. Victor Paul Wierwille. It was founded on October 3, 1942, the year Wierwille began his Vesper Chimes radio program, a.k.a. the Chimes Hour Youth Caravan in nearby Van Wert. The Way International's Headquarters in Shelby County south of New Knoxville was formerly the Wierwille family farm.
Education
New Knoxville has a public library, a branch of the Auglaize County Public Library.
A lot of immigrants originating from the German village of Ladbergen settled down in the area around New Knoxville with which a town partnership was established. These immigrants became the ancestors of large numbers of residents of New Knoxville and the surrounding area, including Washington Township/Wapakoneta native Neil Armstrong. Closer relations between the two villages have been fostered by journeys by residents of both communities to the other. For the New Knoxville sesquicentennial in 1986, approximately 100 Ladbergen residents traveled to New Knoxville to join in the celebration. New Knoxville's neighboring municipalities, Wapakoneta and Saint Marys, are sister cities with Ladbergen's neighbors Lengerich and Lienen, respectively.