Tri-Lakes, Indiana

Thorncreek Township is one of nine townships in Whitley County, Indiana, United States. As of the 2010 census, its population was 4,166 and it contained 1,894 housing units.The township has two main population clusters. The southern edge of the township consists of the unincorporated northern suburban developments of Columbia City, and in the extreme northeastern part of the township there is the unincorporated settlement and census-designated place known as Tri-Lakes.

Cresco is an unincorporated community in Thorncreek Township, Whitley County, in the U.S. state of Indiana.

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

Collins is an unincorporated community in Smith Township, Whitley County, in the U.S. state of Indiana. It is commonly referred to as a 'ghost town', however this is untrue; Collins just has a very low population and once contained an abandoned school, a General Store, and a Mint mill that processed locally grown peppermint. Collins was also a major grower of Onions, and the Vandalia Railroad shipped tons of onions to national markets.

Green Township is one of thirteen townships in Noble County, Indiana, United States. As of the 2020 census, its population was 2,016 (down from 2,123 at 2010) and it contained 739 housing units.

Thomas R. Marshall House, also known as the Whitley County Historical Museum, is a historic home located at Columbia City, Whitley County, Indiana. It was built in 1874, and is a two-story, "L"-plan, frame dwelling. It was remodeled in 1895. It features a nearly full-with front porch supported by paired Doric order columns and a projecting two-story bay. It was the home of Indiana Governor and U.S. Vice President Thomas R. Marshall.: 2 It was listed on the National Register of Historic Places in 1983.

Columbia City Historic District is a national historic district located at Columbia City, Whitley County, Indiana. The district encompasses 197 contributing buildings in the central business district and surrounding residential sections of Columbia City. It developed between about 1840 and 1937 and includes representative examples of Greek Revival, Italianate, Queen Anne, Second Empire, Classical Revival, and Bungalow / American Craftsman style architecture. Located in the district is the separately listed Whitley County Courthouse. Other notable contributing buildings include the former Whitley County Courthouse (1841), Adams Y. Hooper Residence (c. 1860), Thomas Shorb Residence (c. 1875), William McNagny Residence (c. 1880), Elisha L. McLallen House (1905), Whitley County Jail (1875), City Hall (1917), Peabody (Carnegie) Library (1919), U.S. Post Office (1935), Central Building (1872), D.B. Clugston Block (1889), Masonic Temple (1904), Church of the Brethren (1889), Presbyterian Church (1892), Methodist Church (1912), and Baptist Church (1917).It was listed on the National Register of Historic Places in 1987.

Green Center is an unincorporated community in Green Township, Noble County, in the U.S. state of Indiana.

Columbia City is a city in Columbia Township, Whitley County, in the U.S. state of Indiana. The population was 9,892 at the 2020 Census, up from 8,750 at the 2010 Census, estimated to be 10,064 in 2023. The city is the county seat of Whitley County, and is the largest community therein. It is part of the Fort Wayne MSA.

The Whitley County Courthouse is an historic courthouse building located at Van Buren and Main Streets in Columbia City, Indiana, the seat of Whitley County. It was constructed in 1888, and is a three-story, cruciform plan, French Renaissance style Indiana limestone building designed by Brentwood S. Tolan. It has a slate roof and galvanized iron central dome.The courthouse was added to the National Register of Historic Places on February 16, 1979.

Chain O'Lakes is an Indiana state park on 2,718 acres (11.00 km2) in Noble County, Indiana, in the United States. The park is located near the towns of Albion and Avilla and is 19 miles (31 km) northwest of the northeastern Indiana's major city, Fort Wayne.

Columbia City High School is a public high school located in Columbia City, Indiana.