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 in Asturias 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 Avilés Polling firm/Commissioner Fieldwork date Sample size Turnout CambiaAvilés Lead 2023 municipal election 28 May 2023 60.8 33.1 13.3 30.6 1.5 12.5 1.1 2.5 GESOP/La Nueva España 6–15 May 2023 400? 34.618.021.13.512.9 –13.5 GAD3/IU 1–7 Mar 2023 400? 36.018.732.22.24.81.23.8 2019 municipal election 26 May 2019 58.8 36.4 19.9 14.7 13.4 7.5 1.7 16.5
Gijón Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 municipal election 28 May 2023 64.1 29.0 1.0 28.7 5.2 16.7 8.0 8.0 0.3 GESOP/La Nueva España 2–6 May 2023 504? 31.7 1.2 30.8 5.8 12.8 7.6 6.2 0.9 GAD3/Vocento 26–27 Apr 2023?? 31.6 1.5 22.3 9.2 19.1 6.6 5.0 9.3 GAD3/IU 1–7 Mar 2023 601? 29.4 2.0 25.5 8.6 17.3 8.8 6.7 3.9 PSOE 27 Aug 2022?? 32.8 – 12.9 8.5 28.0 6.0 6.0 4.8 EM-Analytics/Electomanía 5 Dec 2021?? 28.5? 19.6? 14.2 14.0? 8.9 EM-Analytics/Electomanía 13 May–6 Aug 2021 439? 32.0 2.9 16.3 9.7 15.3 12.7 7.9 15.7 Asturbarómetro 2–20 Jul 2021 408? 38.1 2.7 13.1 5.9 20.2 13.2 6.0 17.9 2019 municipal election 26 May 2019 60.6 34.2 13.4 12.4 11.9 11.2 7.0 6.2 20.8
Langreo Polling firm/Commissioner Fieldwork date Sample size Turnout UpL Lead 2023 municipal election 28 May 2023 58.4 29.1 – 18.9 1.0 1.130.3 4.2 8.8 1.2 GESOP/La Nueva España 2–16 May 2023 300? 34.1 – 13.0 – 2.6 27.5 2.6 10.0 6.6 2019 municipal election 26 May 2019 56.9 36.6 35.1 12.2 9.9 2.7 – 1.5
Llanera Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 municipal election 28 May 2023 67.0 42.7 29.6 7.6 – 4.0 12.6 13.1 Asturbarómetro/Vox Nov 2022 260???????? Asturbarómetro 20–28 May 2021 401? 39.5 29.1 12.2 1.8 2.1 15.3 10.4 2019 municipal election 26 May 2019 63.3 43.6 24.2 8.7 7.9 7.1 7.0 19.4
Mieres Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 municipal election 28 May 2023 59.1 55.9 14.9 15.6 2.3 5.4 40.3 GESOP/La Nueva España 2–12 May 2023 300? 57.8 16.6 11.4 3.5 4.7 41.2 2019 municipal election 26 May 2019 59.6 58.1 18.1 10.4 4.8 2.5 40.0
Oviedo Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 municipal election 28 May 2023 64.0 42.5 24.2 1.5 4.5 10.8 10.1 2.7 18.3 GESOP/La Nueva España 2–17 May 2023 502? 42.0 23.5 2.0 5.1 8.1 11.8 2.1 18.5 GAD3/Vocento 26–27 Apr 2023?? 44.2 25.4 2.2 5.5 11.9 6.5 – 18.8 GAD3/IU 1–7 Mar 2023 500? 45.8 28.4 3.0 4.0* 8.8 6.2 1.9 17.8 Sigma Dos/El Mundo 9–15 Dec 2022 300? 37.8 27.4 4.7 7.5* 13.6 5.9 0.4 10.4 Asturbarómetro 12 Jun 2021 403? 33.6 28.3 6.3 5.8* 15.5 8.1 – 5.3 Asturbarómetro 8–28 Nov 2020 408? 33.2 26.5 10.5 8.1* 14.3 4.7 0.4 6.7 Asturbarómetro 8–20 Jul 2020 404? 33.1 24.8 13.4 11.4* 7.6 6.4 0.7 8.3 ElectoPanel/Electomanía 1 Apr–15 Jun 2020?? 33.8 28.4 10.3 11.3* 12.3 – – 5.4 2019 municipal election 26 May 2019 62.9 31.9 26.4 16.1 11.6 6.9 3.8 1.0 5.5
Siero Polling firm/Commissioner Fieldwork date Sample size Turnout PVF Lead 2023 municipal election 28 May 2023 61.1 43.9 23.6 6.7 0.9 5.4 8.9 2.5 6.2 20.3 GESOP/La Nueva España 2–11 May 2023 300? 40.5 19.9 8.2 1.7 7.6 10.1 3.5 4.5 20.6 2019 municipal election 26 May 2019 59.6 39.8 11.5 9.4 8.6 8.2 6.2 5.7 5.3 28.3
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