Jefferson Township, Allen County, Indiana

St. Louis, Besancon, Historic District is a historic Roman Catholic church complex and national historic district located near New Haven in Jefferson Township, Allen County, Indiana. The district encompasses five contributing buildings and one contributing site consisting of the Saint Louis Besancon Roman Catholic Church and its cemetery and rectory. The Gothic Revival style church was built in 1870-71 of brick, fired in a nearby kiln, then covered with cement to give an appearance of stone. It features a steep gable roof and five part projecting square steeple. The rectory was built in 1893, and is a 2+1⁄2-story, Queen Anne style brick dwelling. The other contributing resources are the St. Louis Academy (1915), St. Louis Convent House (1915), garage (1940), and Old St. Louis Cemetery. The church was refurbished and painted in 1998. The district was listed on the National Register of Historic Places in 1995.

Craigville Depot is a historic train station located in Jefferson Township, Allen County, Indiana, USA. It was built in 1879 and is a one-story, wood-frame building, measuring 16 feet wide, 32 feet long and 16 feet 6 inches high. The gable roof has a four-foot overhang and elaborate Stick Style / Eastlake movement ornamentation. The building was moved from its original location in 1950 and again in 1979.: 2  It was restored by Edward Byer who was the owner of the New Haven and Lake Erie Railroad. It was added to the National Register of Historic Places in 1984, and was delisted in 2023.

Nickel Plate Road 765 is a class "S-2" 2-8-4 "Berkshire" type steam locomotive built for the New York, Chicago & St. Louis Railroad, commonly referred to as the "Nickel Plate Road". In 1963, No. 765, renumbered as 767, was donated to the city of Fort Wayne, Indiana, where it sat on display at the Lawton Park, while the real No. 767 was scrapped in Chicago in 1964. In the early 1970s, the newly formed Fort Wayne Railroad Historical Society (FWRHS) restored No. 765 and operate it in main line excursion service. During the 1980s to early 90s, No. 765 ran excursion trains on the ex-Southern Railway's CNO&TP division and ex-Chesapeake and Ohio's New River Gorge route. Taken out of service in 1993, No. 765 was added to the National Register of Historic Places on September 12, 1996. The No. 765 locomotive was completely overhauled and returned to service in 2005. Since 2010, it visited the Cuyahoga Valley Scenic Railroad, hauling several excursions every year. From 2012 to 2015, No. 765 ran excursions on Norfolk Southern trackage in Indiana, Missouri, New York, Ohio, Pennsylvania, and West Virginia, for the 21st Century Steam program. In 2016, it ran excursions on Metra's Milwaukee District North Line and even the Rock Island District Line in 2017 and 2018. Around 2022 and 2023, it visited the Indiana Northeastern Railroad for the Indiana Rail Experience excursions.

Zulu is an unincorporated town in Jefferson Township, Allen County, in the U.S. state of Indiana.

Maples is an unincorporated community in Jefferson Township, Allen County, in the U.S. state of Indiana.

New Haven is a city in Adams, Jefferson, and St. Joseph townships, Allen County, Indiana, United States. It sits to the east of the city of Fort Wayne, the second largest city in Indiana, and is situated mostly along the southern banks of the Maumee River. The population was 15,843 as of 2022.

Tillman is an unincorporated community in Jefferson Township, Allen County, in the U.S. state of Indiana.

New Haven High School is a public secondary education school for grades nine through twelve. New Haven High School is one of five high schools in the East Allen County Schools district, Indiana. The district has adopted a unique method called “five campus”, meaning a student can take a class offered at any one of the schools in the district.

Four Presidents Corners is the quadripoint where the borders of four townships named for the third, fourth, fifth, and seventh American presidents meet in Allen County, in the U.S. state of Indiana. The townships are Jefferson, Madison, and Monroe, and Jackson.

Five Points is an unincorporated community in Milan Township, Allen County, in the U.S. state of Indiana.

Woodlan Junior/Senior High School is a public high school located in unincorporated Allen County, Indiana, near Woodburn, a city close to Fort Wayne. It is a part of East Allen County Schools (EACS). In addition to Woodburn, Harlan, and a small section of New Haven are within the school's attendance zone.

Townley is an unincorporated community in Jackson Township, Allen County, in the U.S. state of Indiana.