Oskaloosa Township, Jefferson County, Kansas

The Newell–Johnson–Searle House was listed on the National Register of Historic Places in 2017. It is located on U.S. Highway 59 on the edge of Oskaloosa in Jefferson County, Kansas.The house is a two-and-a-half-story, wood-frame building built and modified in c.1860, 1877 and 1913. The property also includes a contributing one-story stone building with a cellar, and a non-contributing wood-frame garage.It was deemed significant as one of Oskaloosa's finer early homes, and for its association with Oskaloosa co-founder Newell, who owned it during 1858–1918. Newell arrived in Kansas in 1856, the worst year of the Bleeding Kansas era, and was harassed by pro-slavers.

The Union Block in Oskaloosa, Kansas, is a commercial block building which was built in 1892. It was listed on the National Register of Historic Places in 1973.It is a red brick building, 100 by 80 feet (30 m × 24 m) in plan, and is composed of four two-story stores. It is located at the southwest corner of Delaware and Jefferson Streets in Oskaloosa.

The Jefferson County Courthouse, located at 300 Jefferson Street in Oskaloosa, is the seat of government of Jefferson County, Kansas. Oskaloosa has been the county seat since 1855. The courthouse was built from 1963 to 1964 by contractor J. A. Lundgren & Sons. Kiene & Bradley Architects of Topeka, Kansas designed the courthouse in the Modern style. The courthouse is located on spacious landscaped grounds in the city's center. It is two stories and faces south. It is constructed of red-colored brick and concrete with a flat roof. The second story northwest corner of the building has a large, faceless clock. The building was remodeled in 1988 by Tefft & Donaldson Contractors; the architect was Ossmann & Associates of Topeka. The first courthouse was built in 1868 by Graham & Swain and designed by E. D. Baldwin. It was extensively damaged by a F4 tornado on May 19, 1960, requiring the building to be razed and replaced. Kiene & Bradley Architects also designed courthouses in Coffey County, Greeley County, Logan County, Morris County, Neosho County, and Wilson County.

Oskaloosa is a city in and the county seat of Jefferson County, Kansas, United States. As of the 2020 census, the population of the city was 1,110.

Oskaloosa High School is the public high school in Oskaloosa, Kansas, United States. The school serves about 250 students. Bears are the school mascot and the school colors are blue and red. Oskaloosa High School is located at 404 Park Street.

Union Township is a township in Jefferson County, Kansas, USA. As of the 2000 census, its population was 1,672.

McLouth is a city in Jefferson County, Kansas, United States. As of the 2020 census, the population of the city was 859.

Rural Township is a township in Jefferson County, Kansas, USA. It was formed in 1871, from the territory of Kentucky Township and Sarcoxie Township. As of the 2000 census, its population was 804.

Sarcoxie Township is a township in Jefferson County, Kansas, USA. As of the 2000 census, its population was 958.

Rim Rock Farm is an American historic cross country running course. The cross country course is renowned for its two covered bridges as part of the course. The course is located at 2276 Burnett Lane, Lawrence, Kansas.

Perry Lake is a US Army Corps of Engineers operated reservoir in northeast Kansas. Its primary purposes are flood control, water reserve for nearby areas and regional recreation. The lake is approximately 11,150 acres (45 km2) in size, with over 160 miles (260 km) of shoreline. Perry Lake's full multi-purpose pool elevation is 891.5 feet (271.7 m) above sea level. Perry Lake is located about 40 miles (64 km) west of Kansas City, just northwest of Lawrence, Kansas. Its close proximity to Kansas City, Lawrence, and the state capitol, Topeka, make it a very popular destination, with the nickname "Paradise on the Plains".

Ozawkie is a city in Jefferson County, Kansas, United States. As of the 2020 census, the population of the city was 638. Located adjacent to Perry Lake, Ozawkie formerly existed in a different location but was relocated without the aid of government funding prior to the reservoir's construction.