[4] The city is located within Hart Township, but is politically independent.

Hart is also home to the north end of the Hart-Montague Trail.

Hart was named from its central position in the "heart" of Oceana County.

[5] Hart was founded in 1856 by early pioneers including Nelson Grove.

[7] This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters.

32.9% of all households were made up of individuals, and 14.8% had someone living alone who was 65 years of age or older.

31.6% of all households were made up of individuals, and 16.3% had someone living alone who was 65 years of age or older.