The next most common mother tongues are English at 5.5% total, followed by Spanish and German at 0.2% each and by Portuguese at 0.1%.

Additionally there were 0.1% who reported both French and a non-official language as their mother tongue and another 0.1% who reported both French, English and a non-official language as their mother tongue.

As of 2021, Indigenous peoples comprised 4.4% of the population, and visible minorities contributed 1.1%.

The largest visible minority groups in the RCM of Papineau are Black (0.4%), Chinese (0.1%), and Arab (0.1%).

Buddhists were the largest non-Christian religious minority, making up just over 0.1% of the population.