In the run up to the 2023 Spanish local elections, various organisations carried 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 26 May 2019, to the day the next elections were held, on 28 May 2023.

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 Ibiza (town) Polling firm/Commissioner Fieldwork date Sample size Turnout EPIC PxE Ara Lead 2023 municipal election 28 May 2023 48.3 24.8 47.6 5.5 1.6 3.7 8.8 – 4.2 22.8 IBES/Periódico de Ibiza 24–31 Jan 2023 600? 28.4 38.8 8.7 2.6 2.4 7.5 4.0 3.0 10.4 IBES/Periódico de Ibiza 4–15 Jul 2022 900? 26.8 36.5 9.5 3.4 – 9.3 6.2 – 9.7 2019 municipal election 26 May 2019 47.7 32.7 29.3 10.3 9.5 4.7 4.5 4.2 3.7 3.4

Palma Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 municipal election 28 May 2023 54.5 24.9 32.2 20.5 1.9 5.1 9.3 2.3 7.3 Gadeso/Diario de Mallorca 30 Apr–15 May 2023?? 23.1 24.9 14.6 2.3 8.5 12.4 – 1.8 NC Report/Mallorca Diario 11–17 Apr 2023 600 51.9 24.0 27.8 18.5 3.6 9.5 9.2 4.1 3.8 IBES/Última Hora 3–7 Apr 2023 1,040? 24.3 27.1 18.7 4.3 8.6 10.1 2.7 2.8 IBES/Última Hora 5–15 Jan 2023 400? 23.1 27.4 16.7 4.5 8.4 10.9 4.5 4.3 Sigma Dos/El Mundo 16–22 Dec 2022 408? 24.6 28.8 12.4 5.6 6.7 14.6 – 4.2 IBES/Última Hora 1–10 Mar 2022?? 20.1 26.8 20.6 5.6 10.0 10.4 1.9 6.2 Data10/Okdiario 24–25 Sep 2021 1,000? 25.7 26.9 18.4 3.5 8.5 9.8 3.4 1.2 IBES/Última Hora 13–20 Sep 2021 600? 22.2 25.6 18.7 4.7 9.5 12.5 2.3 3.4 ElectoPanel/Electomanía 1 Apr–15 Jun 2020?? 26.2 24.3 15.7 8.7 8.8 9.4 – 1.9 2019 municipal election 26 May 2019 50.2 26.5 18.8 13.2 12.2 10.8 10.4 3.7 7.7

Island Councils Formentera Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 island council election 28 May 2023 55.0 26.0 47.1 17.7 1.9 3.9 21.1 Gadeso/Diario de Mallorca 30 Apr–15 May 2023???????? Periódico de Ibiza Dec 2022 505 52.1 42.0 30.7 23.4 3.8 – 11.3 2019 island council election 26 May 2019 51.5 35.5 33.7 26.9 2.7 – 1.8

Ibiza (island) Polling firm/Commissioner Fieldwork date Sample size Turnout El Pi Lead 2023 island council election 28 May 2023 47.2 52.4 24.3 6.3 1.5 8.2 1.3 28.1 IBES/Última Hora 12–18 May 2023 600? 46.5 27.2 9.0 1.3 7.2 4.3 19.3 Gadeso/Diario de Mallorca 30 Apr–15 May 2023????????? IBES/Última Hora 5–15 Jan 2023 400???????? IBES/Última Hora 26–30 Sep 2022 300? 37.1 26.1 11.9 3.7 10.0 3.5 11.0 IBES/Periódico de Ibiza 4–15 Jul 2022 900? 36.6 27.9 11.4 3.4 10.8 3.9 8.7 IBES/Última Hora 1–10 Mar 2022 200? 35.2 24.6 15.6 6.5 11.2 3.3 10.6 IBES/Última Hora 8–12 Jun 2021 200? 34.3 28.3 10.6 7.4 5.5 5.5 6.0 IBES/Última Hora 8–12 Jun 2020 200? 34.6 31.6 9.7 6.1 6.4 4.1 3.0 2019 island council election 26 May 2019 49.4 39.4 28.5 12.0 6.9 4.1 2.9 10.9

Mallorca Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 island council election 28 May 2023 58.9 25.5 34.2 11.7 1.4 4.3 5.2 15.3 8.7 Gadeso/Diario de Mallorca 30 Apr–15 May 2023?? 25.1 28.1 12.8 2.0 8.6 7.9 13.0 3.0 IBES/Última Hora 5–15 Jan 2023 400????????? IBES/Última Hora 26–30 Sep 2022 300????????? IBES/Última Hora 1–10 Mar 2022 600? 20.3 24.9 11.7 7.5 12.1 6.0 16.2 4.6 Data10/Okdiario 23–24 Sep 2021?? 25.2 26.8 13.1 5.0 7.9 8.8 13.5 1.6 IBES/Última Hora 8–12 Jun 2021 600? 24.0 25.9 11.3 6.8 10.0 7.7 11.1 1.9 IBES/Última Hora 8–12 Jun 2020 600? 28.5 22.7 10.5 7.1 8.8 7.1 11.7 5.8 2019 island council election 26 May 2019 56.2 26.5 20.6 12.7 10.3 9.5 9.1 9.1 5.9

Menorca Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 island council election 28 May 2023 55.0 39.4 27.2 17.4 6.2 1.3 – 6.2 12.2 IBES/Menorca.info 12–18 May 2023 600? 37.5 26.7 18.8 8.4 2.3 – 4.6 10.8 Gadeso/Diario de Mallorca 30 Apr–15 May 2023?????????? PSYMA/MxMe 27 Mar–5 Apr 2023 800 56 32.3 23.9 23.8 7.9 2.8 – 6.2 8.4 IBES/Última Hora 5–15 Jan 2023 400? 35.1 25.3 20.6 9.8 3.0 – 4.5 9.8 IBES/Última Hora 26–30 Sep 2022 300? 33.1 23.1 18.9 11.3 3.6 2.1 5.7 10.0 IBES/Última Hora 1–10 Mar 2022 200? 27.0 22.5 20.9 13.0 6.3 1.8 7.0 4.5 IBES/Última Hora 8–12 Jun 2021 200? 28.9 26.1 16.2 11.7 6.6 2.1 5.9 2.8 IBES/Última Hora 8–12 Jun 2020 200? 25.9 29.1 14.7 10.3 7.9 2.2 5.4 3.2 2019 island council election 26 May 2019 58.0 28.6 26.7 17.8 11.0 8.6 2.7 2.7 1.9

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