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2023 Tax Data by Postal Code Charts Spain’s Sharp Urban Income Gaps

Richer enclaves report larger shares from capital, poorer districts depend mostly on wages.

Overview

  • The Agencia Tributaria released verified 2023 IRPF figures by postal code, enabling neighborhood-level income comparisons across Spain’s largest municipalities.
  • La Moraleja (Alcobendas) leads nationally with an average gross income of €196,429, Torreblanca (Seville) sits at the bottom with €11,354, and Pozuelo de Alarcón remains the highest-income municipality at €88,011.
  • In Madrid, several zones exceed €100,000 in average income, including Aravaca (€103,933) and Salamanca–Goya (€103,712), while Entrevías–Puente de Vallecas is lowest at €22,593.
  • Regional analyses highlight steep internal divides, with gaps of about €30,000 in Murcia and roughly €41,000 in A Coruña, and a widening split in Vigo where the top-to-bottom gap has grown by more than 9% over a decade.
  • The dataset underscores contrasting income composition, with wealthy areas showing a smaller share from wages and a larger share from capital and other sources than low-income neighborhoods.