Charleston (Christchurch City) is a small community in Canterbury with a population of 1,524 and a median age of 32. Median personal income is $41K per year. The main ethnic groups are European, Asian, Māori. Canterbury population estimates moved +1.6% in the year ended June 2024, after averaging +1.9% a year from 2018 to 2023, which should be read as a broader regional movement backdrop rather than suburb-level migration precision. Te Waihanga's December 2025 Pipeline snapshot tracked over 12,000 NZ infrastructure initiatives, with more than 2,700 under construction and transport taking 52% of projected 2026 pipeline spend, which should be read as a broader national delivery backdrop rather than a suburb-specific project list.