The area is named after Croydon, located in London, England The land on which the suburb now stands was purchased in 1853 by Alfred Watts and Philip Levi.

[2] In 1904, market gardener and greengrocer John Brooker founded a jams and conserves business on Queen Street, producing "Croydon" branded products.

[citation needed] This Original Barn, now renovated into a family home, is believed to have been built by Richard Day who developed the suburb over 100 years ago.

Richard Day developed his own villa-style cottage on the site of 14 St Lawrence Ave in Croydon which could be reached via a long driveway from South Road.

[6] The majority of residents (72.5%) are of Australian birth, with other common census responses being Italy (4.3%), Greece (3.9%), England (3.0%), Vietnam (1.9%) and India (0.8%).

[6] Within Croydon, 91.3% of the residents aged > 15 years who reported being in the labour force were employed, with 3.6% being unemployed and 4.9% away from work.

[6] Croydon is part of Hindmarsh Ward in the City of Charles Sturt local government area, being represented in that council by Councillors Katriona Kinsella and Alice Campbell.