North Tumbulgum is a locality in the Tweed Shire of New South Wales, Australia.

[1] As of the 2021 Australian census, 238 people resided in North Tumbulgum,[1] down from 256 in the 2016 census.

[2] The median age of persons in North Tumbulgum was 39 years.

There were more males than females, with 56.7% of the population male and 43.3% female.

The average household size was 2.9 people per household.