In 1433 the rights to high justice were purchased from the Austrian county of Lenzburg by the city of Bern.

Low justice was, starting in 1306, in the possession of the Herrschaft of Rued, but was sold in 1517 to Bern.

Towards the middle of the 18th century, small scale cotton spinning and weaving became common in the village.

The American President Herbert Hoover descended from Johann Heinrich Huber (c.1644-c.1706) who lived in Oberkulm before migrating to Ellerstadt in the Palatinate, in present-day southwestern Germany.

33.7% of the total land area is heavily forested and 2.4% is covered with orchards or small clusters of trees.

[4] The municipality is located in the Kulm district, in the middle Wynental (Wyna river valley).

It consists of the village of Oberkulm and a number of scattered small settlements in neighboring side valleys.

The blazon of the municipal coat of arms is Tierced per pale Sable Argent and Azure.

[8] The age distribution, as of 2008[update], in Oberkulm is; 246 children or 10.4% of the population are between 0 and 9 years old and 348 teenagers or 14.7% are between 10 and 19.

[10] About 60.1% of the total households were owner occupied, or in other words did not pay rent (though they may have a mortgage or a rent-to-own agreement).

[12] The historical population is given in the following table:[3] The Kornspeicher (a granary) at Im Obersteg 106 is listed as a Swiss heritage site of national significance.