Settlements in Korea District in actuality points towards the various types of populace of the Korean region and the various types of culture present owing to the fact that various types of people inhabit together.

Cherva the oldest migrants may have been the Cheros of Palamau District who are known as Chervas in Korea District. According to the elders of their family, they came some four hundred years ago. Some Chervas had migrated from Palamau and settled in Changbhakar and came to Korea subsequently. They gradually settled all over the District and most of the villages had settlement of their community. Baiga or the village priest was from their community.

The villages which did not have a village priest persuaded Cherva families to settle in their village so that the village had the services of a Baiga. Being social and helpful their community members were welcome in all the villages. Thus the Cherva community settlements sprang up all over the District. They were associated with the ruling family and received their patronage. This also led to their economic development.

Rajwars are not able to throw any light on their past history. They had a Zamindari in Korea State known as Gugra where they trace their ancestry to about Twelve Generations. So it can be assumed that they have been here for more than Twelve Generations. Probably they came two hundred to two hundred fifty years ago. Very first they came in Surguja and after some time they came in Korea. Being close to the ruling family of Korea they were given facilities to settle wherever they wanted. Originally they settled near the Rajdhani and shifted with the Rajdhani. When their population increased they cleared forests and developed new settlements. Being intelligent and hard working they became more affluent than the local people. Their earliest settlement was in Kharbet, Odgi, Bishnupur, Jampara, Bardia, Kudeti, Kathgodi, Gurga, Latma, Sardi, Kasra, Bodar etc.

Ahir and Gwalas` percentage in the population in the State is small. Their migration must have begun in the late Nineteenth Century. According to them they have mostly migrated from Singrauli, and some from Surguja.

According to the elders of their family, they have migrated from Waidhan and Singrauli in Sidhi District in the last decade of the Nineteenth Century. The original settlements were in Baikunthpur, Shadi Kharbet, Talwapara etc.

Oraon Tribe are originally from Chota Nagpur. According to their elders their ancestors came to excavate a Tank in Bishnupur village. According to Historical Records, this tank was excavated by Bai Kadam Kunwar Rani of Raja Amol Singh. The period was approximately the middle of the 19th century. It is not known if some of their ancestors had come earlier. From Bishunpur they moved to Bodar, Kudeli, Amgaon, Kasra and other areas.