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| demographics1_info1 = ]<ref>{{cite web|title=52nd Report of the Commissioner for Linguistic Minorities in India|url=http://nclm.nic.in/shared/linkimages/NCLM52ndReport.pdf|website=nclm.nic.in|publisher=]|access-date=22 December 2018 |page=18|url-status=dead|archive-url=https://web.archive.org/web/20170525141614/http://nclm.nic.in/shared/linkimages/NCLM52ndReport.pdf|archive-date=25 May 2017}}</ref>
| demographics1_info1 = ]<ref>{{cite web|title=52nd Report of the Commissioner for Linguistic Minorities in India|url=http://nclm.nic.in/shared/linkimages/NCLM52ndReport.pdf|website=nclm.nic.in|publisher=]|access-date=22 December 2018 |page=18|url-status=dead|archive-url=https://web.archive.org/web/20170525141614/http://nclm.nic.in/shared/linkimages/NCLM52ndReport.pdf|archive-date=25 May 2017}}</ref>
| demographics1_title2 = Additional official
| demographics1_title2 = Additional official
| demographics1_info2 = ]<ref>{{cite news|last=Trivedi |first=Anupam |title=Sanskrit is second official language in Uttarakhand |url=http://www.hindustantimes.com/india/sanskrit-is-second-official-language-in-uttarakhand/story-wxk51l8Re4vNxofrr7FAJK.html |newspaper=Hindustan Times |date=19 January 2010 |access-date=30 August 2017}}</ref><ref>{{cite news|title=Sanskrit second official language of Uttarakhand|url=http://www.thehindu.com/todays-paper/tp-national/tp-otherstates/Sanskrit-second-official-language-of-Uttarakhand/article15965492.ece |work=The Hindu |date=21 January 2010 |access-date=30 August 2017}}</ref>
| demographics1_info2 = ]<ref>{{cite news|last=Trivedi |first=Anupam |title=Sanskrit is second official language in Uttarakhand |url=http://www.hindustantimes.com/india/sanskrit-is-second-official-language-in-uttarakhand/story-wxk51l8Re4vNxofrr7FAJK.html |newspaper=Hindustan Times |date=19 January 2010 |access-date=30 August 2017}}</ref><ref>{{cite news|title=Sanskrit second official language of Uttarakhand|url=http://www.thehindu.com/todays-paper/tp-national/tp-otherstates/Sanskrit-second-official-language-of-Uttarakhand/article15965492.ece |work=The Hindu |date=21 January 2010 |access-date=30 August 2017}}</ref>
| demographics1_title3 = Regional
| demographics1_title3 = Regional
| demographics1_info3 = ], ], ], ], ], ]
| demographics1_info3 = Kumaoni,Tharu,Khadiboli
<ref>{{cite web | url = https://www.ethnologue.com/language/kfy
Clockwise from top-left: Palace of Dronacharya, Gurudwara Nanakana Sahib in Kashipur, Baigul Dam, Crops Research Center at Pantnagar, Metropolis city in Rudrapur
According to the 2011 census Udham Singh Nagar district has a population of 1,648,902, roughly equal to the nation of Guinea-Bissau or the US state of Idaho. The population in the age range of 0–6 years was 229,162. The number of literates in Udham Singh Nagar district is 1,037,839 (62.9%), with 598,525 (68.7%) male literates and 751,789 (55.6%) female literates. The effective 7+ literacy of the district is 73.1%. The sex ratio of 920 females for every 1,000 males. The Scheduled Castes and Scheduled Tribes population was 238,264 (14.45%) and 123,037 (7.46%) respectively. There were 308581 households in the district in 2011.
US Directorate of Intelligence. "Country Comparison:Population". Archived from the original on 13 June 2007. Retrieved 1 October 2011. Guinea-Bissau 1,596,677 July 2011 est.
Pant, Jagdish (2015). "Buksa/Buksari". In Devy, Ganesh; Bhatt, Uma; Pathak, Shekhar (eds.). The Languages of Uttarakhand. People's Linguistic Survey of India. Vol. 30. Hyderabad: Orient Blackswan. pp. 3–26. ISBN9788125056263.
Eberhard, David M.; Simons, Gary F.; Fennig, Charles D., eds. (2019). "India – Languages". Ethnologue (22nd ed.). SIL International. Archived from the original on 1 April 2019. Singh, Sidheswar (2015). "Tharu". In Devy, Ganesh; Bhatt, Uma; Pathak, Shekhar (eds.). The Languages of Uttarakhand. People's Linguistic Survey of India. Vol. 30. Hyderabad: Orient Blackswan. pp. 163–76. ISBN9788125056263.