The population of Yarralumla in 2016 was predominantly Australian-born, with some 69.3% of its residents being born in Australia. The second most prevalent birthplace was England at 6.0%, followed by New Zealand and United States with 1.6 and 1.5% respectively. The suburb was more oriented towards the Anglo-Celtic majority than the rest of Australia; English was spoken at home by 80.3% of the population, compared to the national average of 72.7%. Every other language was spoken by less than 2% of the population. Italian, Mandarin, Greek, German and French were all spoken by at least 0.8% of the population. The most popular religious affiliations in descending order were no religion, Roman Catholic, Anglican, Uniting and Presbyterian and Reformed. The proportion of the population professing to having no religion was 34.6%, higher than the national average of 29.6%, but below the ACT average of 36.2%.