[3] During the Late Middle Ages, the major landowners in Kallern were Muri Abbey and Hilfikon.

In 1969, electric street lights came to the village and in 1970, a central water supply was added.

In 1980 Hinterbühl was developed as a residential area, and in 1984 it was connected to the sewage treatment plant at Bünzen.

In 2000 a quarter of the economically active population worked in agriculture and two thirds were commuters.

It consists of the hamlets of Kallern, Bugler, Hinterbühl, Unter-, Hinter- and Oberniesenberg as well as the farm houses of Unter- and Oberhöll, Husmatten and Badhof and other scattered individual houses.

The blazon of the municipal coat of arms is Azure two Keys Argent in Saltire and in chief a Nail of the same.

Most of the population (as of 2000[update]) speaks German(95.5%), with English being second most common ( 1.9%) and Italian being third ( 0.8%).

[8] The age distribution, as of 2008[update], in Kallern is; 39 children or 12.3% of the population are between 0 and 9 years old and 33 teenagers or 10.4% are between 10 and 19.

[10] About 80.5% 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).

[8] The historical population is given in the following table:[3] The farm house at Unterniesenberg 45 is listed as a Swiss heritage site of national significance.

[8] From the 2000 census[update], 184 or 69.7% were Roman Catholic, while 54 or 20.5% belonged to the Swiss Reformed Church.