According to 2011 India census, Uttarakhand had a population of 10,116,752. The native people of Uttarakhand are generally called either Kumaoni or Garhwali depending on their place of origin in either the Garhwal or Kumaon region.

Another well known category is Gujjar, they were the rulers of a kingdom with capital at Landhaura of gurjar partihar dynasty,Hindu gurjar is power ful than other Muslim gurjar of the state landhora gurjar was a big riyasat of gurjar's in past and which covered the whole of today's Haridwar District. Gujjars King Raja Ramdayal Singh Panwar had helped the Tehri ruler against the Gorkhas and the Present MLA from Laksar in Haridwar is Kunwar Pranav Singh Champion is the descendant of that King. Gujjar is a dominant community of Haridwar District.

Kumaoni and Garhwali dialects of Central Pahari are spoken in Kumaon and Garhwal region respectively. Jaunsari and Bhotiya dialects are also spoken by tribal communities in the west and north respectively. The urban population however converses mostly in Hindi. Sanskrit has also official status in the state.

Hindus form the majority of the population at 85.0%, Muslims form 10.5%, Sikhs 2.5% and Christians, Buddhists, Jains and others about 0.5%. It has male-female ratio of .964 and has a literacy rate of 72%. The largest cities in the state include Dehradun (530,263), Haridwar (220,767), Roorkee (158,896), Haldwani (145,278) and Rudrapur (88,720). The state government recognizes 15,620 villages and 81 cities and urban areas.

Historians of Kumaon and Garhwal say that in the beginning there were only three castes: Rajput, Brahmin and Shilpkar. Main occupation of Rajput were Zamindari and law enforcement. Occupation of Brahmins were to perform religious rituals in temples and religious occasions. Shilpkar were mainly working for rajputs, in their lands and were expert in handcrafts. The famous surnames Kalakoti, Chauhan, Bisht, Bhayera, Nainwal, Rawat, Dhapola, Rautela and Negi are used by Rajputs.

Bahuguna,Kukreti,Bhatt,Nautiyal, Naithani, Joshi, Tripathi, Pant are some of the famous Brahmin surname, having a university by the name of Bahuguna in Pauri district of Garhwal. According to a 2007 study, Uttarakhand has the highest percentage of brahmins of any state in India, with approximately 20% of the population being brahmin.