In the south-east of the locality elevations rise to 140 m at Obum Obum Hill. Warrill Creek marks the western boundary of Kents Lagoon. To the east of Warril Creek lies Kents Lagoon.[3]
Irrigated farms of 124 to 234 acres (50 to 95 ha) first went to auction in January 1906 as part of the Kent's Lagoon Paddock Estate. The estate was bounded by Warrill Creek to the west, the now closed Mundbilla railway station to the north-east, and Main Road (now Munbilla Road) to the east.[5]
At the 2016 census, Kents Lagoon has a population of 56.[10] The locality contains 24 households, in which 51.6% of the population are males and 48.4% of the population are females with a median age of 38, the same as the national average. The average weekly household income is $1,624, $186 above the national average.[10]
In the 2021 census, Kents Lagoon had a population of 60 people.[1]