[3] The Herrschaft rights to the village belonged to the Counts of Frohburg until 1299, when they went to the Habsburgs.
From the Bernese conquest of the Aargau in 1415, until 1798, the rights were held by city of Bern.
Between 1640 and 1645 the Governor of Aarburg, Jacob Wyss, build the 8.5 km (5.3 mi) Rotkanal (Red Canal) which transported water from the head waters of the Murg river to the meadows at Rothrist.
[4] Under Bernese rule the villagers were part of the Wynau and Roggwil parishes.
In 1881 Arnold Künzli founded the knitting factory of His & Cie, which operated until 1976 in Murgenthal.
School houses were built in 1825 in Glashütten, 1826 in Balzenwil, 1842 in Riken and 1883 in Murgenthal.
[3] Murgenthal has an area, as of 2009[update], of 18.65 square kilometers (7.20 sq mi).
It consists of the village of Murgenthal and the hamlets of Walliswil, Balzenwil, Glashütten and Riken.
The blazon of the municipal coat of arms is Azure three Trefoils slipped Argent issuant from Coupeaux Vert and in Chief a Cross pattee couped of the second.
Most of the population (as of 2000[update]) speaks German (90.7%), with Albanian being second most common ( 2.8%) and Italian being third ( 2.2%).
[9] The age distribution, as of 2008[update], in Murgenthal is; 263 children or 9.2% of the population are between 0 and 9 years old and 332 teenagers or 11.6% are between 10 and 19.
[11] About 59.8% 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).
[9] In the 2007 federal election the most popular party was the SVP which received 48.67% of the vote.
[9] From the 2000 census[update], 577 or 21.1% were Roman Catholic, while 1,574 or 57.4% belonged to the Swiss Reformed Church.
Thus, the Status sets the speed that the Aare should not exceed: if the flow increases too much, then the regulating dam Port must limit the flow of the Aare river upstream, the three Seeland lakes being used to absorb the crest of the flood, until the end of the overflow of the Emme river.