In the run up to the 2027 Spanish local elections, various organisations carry out opinion polling to gauge voting intention in local entities in Spain. Results of such polls for municipalities and island councils in the Balearic Islands are displayed in this article. The date range for these opinion polls is from the previous local elections, held on 28 May 2023, to the day the next elections will be held, on 23 May 2027.
Polls are listed in reverse chronological order, showing the most recent first and using the dates when the survey fieldwork was done, as opposed to the date of publication. Where the fieldwork dates are unknown, the date of publication is given instead. The highest percentage figure in each polling survey is displayed with its background shaded in the leading party's colour. If a tie ensues, this is applied to the figures with the highest percentages. The "Lead" columns on the right shows the percentage-point difference between the parties with the highest percentages in a given poll.
Municipalities Palma Polling firm/Commissioner Fieldwork date Sample size Turnout SALF Lead IBES/Última Hora 1–5 Jun 2026 300? 35.7 21.0 20.9 10.8 3.3 2.0 – – 14.7 Opinòmetre/Més 28 Jan–18 Feb 2026 400? 24.0 22.8 20.7 11.0 3.7 0.8 4.5 1.6 1.2 IBES/Última Hora 19–23 May 2025 1,300? 36.7 21.9 21.0 11.4 3.5 0.8 – – 14.8 2023 municipal election 28 May 2023 54.5 32.2 24.9 20.5 9.3 5.1 2.3 – – 7.3
Island Councils Formentera Polling firm/Commissioner Fieldwork date Sample size Turnout Lead IBES/Última Hora 1–5 Jun 2026 100? 47.0 28.2 15.9 2.3 3.9 18.8 IBES/Última Hora 19–23 May 2025 100???? – –? 2023 island council election 28 May 2023 55.0 47.1 26.0 17.7 3.9 1.9 21.1
Ibiza (island) Polling firm/Commissioner Fieldwork date Sample size Turnout El Pi Lead IBES/Última Hora 1–5 Jun 2026 300? 55.3 20.8 11.3 4.4 0.8 34.5 IBES/Última Hora 19–23 May 2025 300????? –? IBES/Última Hora 13–17 May 2024 300????? –? 2023 island council election 28 May 2023 47.2 52.4 24.3 8.2 6.3 1.3 28.1
Mallorca Polling firm/Commissioner Fieldwork date Sample size Turnout SALF Lead IBES/Última Hora 1–5 Jun 2026 600? 36.5 22.8 19.5 11.3 3.1 2.9 – – – 13.7 Opinòmetre/Més 28 Jan–18 Feb 2026 800? 25.5 20.4 21.6 12.6 1.4 2.4 – 4.3 1.0 3.9 IBES/Última Hora 19–23 May 2025 600? 36.7 25.8 16.3 11.9 2.7 3.7 0.4 – – 10.9 IBES/Última Hora 13–17 May 2024 300?????? – – – –? 2023 island council election 28 May 2023 58.9 34.2 25.5 15.3 11.7 5.2 4.3 1.4 – – 8.7
Menorca Polling firm/Commissioner Fieldwork date Sample size Turnout Lead IBES/Última Hora 1–5 Jun 2026 300? 42.3 22.3 18.0 8.5 4.3 1.3 20.0 IBES/Última Hora 19–23 May 2025 300?????? –? IBES/Última Hora 13–17 May 2024 300?????? –? 2023 island council election 28 May 2023 55.0 39.4 27.2 17.4 6.2 6.2 – 12.2
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