Nepali-speaking people comprising Bahun, Chettri, Darjee and Sunar constitutes the majority of the population at Tareythang.

People are mainly engaged in primary sector like house farming, Agriculture, pitty business, Horticulture, diary etc.

People engaged in agriculture produce as their main crops every year is Paddy (Dhaan), Maize (Makkai), Broom Plant (Kuccho), millet (Kodho), Ginger (Adhuwa), vegetables products & less quantity of cardamom (Aalinchi).

Taxis/Jeep services access the towns and cities like Gangtok, Siliguri, Pakyong, Singtam, Rangpo, Majitar, Rorathang, Rhenock, Ranipool, Kumrek, Melli, Sevoke and Rongli from the village.

The nearest advanced Healthcare Providers are STNM Gangtok, CRH Tadong, and Pakyong PHC.

As per official census data of 2011, in Tareythang out of total population of 736, 361 were engaged in work activities.

Of 361 workers engaged in Main Work, 121 were cultivators (owner or co-owner) while 32 were Agricultural labourer.