Census 2021 According to the 2021 census, the total number of families is 16029, Inaruwa Municipality has a total population of 74914, out of which there are 36689 males and 38225 females, with a sex ratio of 95.98 male per 100 Female .In the same year, Inaruwa had 16029 households.
Languages Majority of people living in Inaruwa speak Maithili language, while Bhojpuri, Nepali and Tharu are also some of common spoken languages in Inaruwa.
Religion Majority of people living in Inaruwa are Hindus, with Muslim being the second most highest population here.
Ethnic groups The largest ethnic group is
Muslim, who makes 15.59% of the population,
Hill Brahman and
Koiri comes to second and third with 11.64% and 11.55% each. Other groups in inaruwa includes the
Tharu (7.0%),
Chhetri (4.0%),
Dhanuk (3%), khatwe (2.5%),
Teli (2.0), jhangad (1.5%), Musahar (1.5%),
yadav (1.4%),
Newar (1.2), Bantar (1.0%),
khawas (0.9%),
chamar (0.8%)and others various ethnic groups makes(34.40%) of the population. ==Health care ==