[4] Oak Hill was a railroad village in Leslie township and it had a Great Northern Railway station and a post office in sections 16 and 17, according to page 592 of Upham's 3rd edition of Minnesota Place Names.

[4] The Long Prairie River runs through the now abandoned village site of Oak Hill.

The 114 acre Little Osakis Lake is in section 26 of Leslie Township.

Fish species residing in Little Osakis include black bullhead, black crappie, bluegill, brown bullhead, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, walleye, yellow bullhead, yellow perch, bowfin (dogfish), common carp, and white sucker.

The racial makeup of the township was 97.10% White, 0.58% Native American, 2.17% Asian, and 0.14% from two or more races.

25.8% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older.