In 2021, 71.7 per cent of the Agnes Water and 1770 population was born in Australia, compared to 79.6 per cent in the Gladstone Region.

A further 9.2 per cent were born overseas from other English-speaking countries including, Canada, England, Ireland New Zealand, South Africa, and United States of America.

In Agnes Water and 1770, 0.2 per cent of the community were born in seven different non-English speaking countries. This has been consistently decreasing across the decade.

The townships of Agnes Water and 1770 includes 92 Aboriginal and Torres Strait Islander people, which is 3.2 per cent of the population.

There are very few Aboriginal and Torres Strait Islander people living in 1770, in 2021 there were three while in 2016 and 2011 there were none.

When looking at the township of Agnes Water in isolation there has been a gradual increase in the Aboriginal and Torres Strait Islander community, with 42 community members in 2011, 66 in 2016 and 89 in 2021. This represents 3.2 per cent of the community, 2.9 per cent and in 2021 3.2 per cent.

English is the main language spoken at home for 81.5 per cent of the communities of Agnes Water and 1770 compared to 87.1 per cent in the Gladstone Region. There is also 3.5 per cent of households in Agnes Water and 1770 that speak another language other than English at home, with 10 languages spoken.