Lake St Clair (postcode 7140) is a sparsely populated locality in Tasmania within the Central Highlands (Tas.) local government area. With a population of 9, the suburb has an older-leaning population with a median age of 47. Households earn a median income of $104K per year, with an average household size of 1.5 people. TAS employment has moved -1.2% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. TAS also had 17 Commonwealth-backed major projects under construction, 2 underway, and 16 in planning as at 2025-09-01, which is useful as a broader delivery backdrop rather than a suburb-specific project count. Employment in the area leans toward accommodation & food and arts & recreation.