Opinion polling for the 2023 Spanish local elections (Castile and León)

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 Castile and León 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 Ávila Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 municipal election 28 May 2023 71.5 38.4 26.1 15.5 2.3 9.9 4.8 12.3 Sigma Dos/RTVCyL 10–16 May 2023 500? 30.0 31.6 18.1 3.2 8.1 5.4 1.6 Sigma Dos/RTVCyL 15–23 Mar 2023 400? 25.6 29.1 21.3 6.3 7.5 6.2 3.5 2019 municipal election 26 May 2019 71.5 35.1 21.6 19.3 8.5 4.4 2.7 1.6 – 13.5

Benavente Polling firm/Commissioner Fieldwork date Sample size Turnout ZSí Lead 2023 municipal election 28 May 2023 60.8 35.9 41.0 3.7 5.6 6.3 1.2 1.8 5.1 Metroscopia/La Opinión 15–16 May 2023? 61 39.1 39.8 – 5.2 6.6 – 2.8 0.7 2019 municipal election 26 May 2019 63.7 40.0 29.7 13.5 6.9 3.5 2.6 – 10.3

Burgos Polling firm/Commissioner Fieldwork date Sample size Turnout DCD Lead 2023 municipal election 28 May 2023 63.7 35.0 32.6 2.3 12.7 5.0 4.0 1.3 2.4 Sigma Dos/RTVCyL 6–13 May 2023 800? 36.5 31.5 3.8 13.1 7.0 2.5 3.1 5.0 IAP/UBU 21 Apr–1 May 2023 500????? ?? –? Sigma Dos/RTVCyL 13–21 Mar 2023 521 65.9 35.4 34.4 3.1 13.0 9.1 – – 1.0 Celeste-Tel/Radio Arlanzón 15 Feb–1 Mar 2023 620? 37.8 35.3 6.0 9.0 11.7 – – 2.5 NC Report/PP 12–22 Dec 2022 600? 34.4 39.1 4.1 8.2 7.1 – – – – 4.7 NC Report/PP 1–8 Sep 2022 600 66.5 34.2 39.0 4.2 9.3 6.9 – – – – 4.8 2019 municipal election 26 May 2019 67.1 36.2 25.9 16.9 7.2 6.6 4.7 – – – 10.3

Cacabelos Polling firm/Commissioner Fieldwork date Sample size Turnout SxC Lead 2023 municipal election 28 May 2023 66.7 36.6 46.5 – 8.8 – 2.0 4.8 7.4 Huaris CC/InfoBierzo 2–9 May 2023 212? 38.2 39.7 – 16.2 – 0.0 5.9 1.5 2019 municipal election 26 May 2019 71.6 33.1 25.7 15.8 13.0 6.2 3.0 – 7.4

La Bañeza Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 municipal election 28 May 2023 63.6 42.7 30.6 6.4 10.2 – 8.9 12.1 SyM Consulting/La Nueva Crónica 7–12 Apr 2023? 63.1 33.0 40.4 8.6 8.0 5.1 2.0 7.4 2019 municipal election 26 May 2019 67.5 34.8 33.7 18.2 5.7 5.0 1.7 1.1

León Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 municipal election 28 May 2023 60.6 35.3 29.0 1.8 19.1 8.9 3.4 6.3 Sigma Dos/RTVCyL 6–12 May 2023 800? 33.5 32.8 1.6 14.5 11.3 5.9 0.7 Sigma Dos/RTVCyL 13–22 Mar 2023 500? 27.8 31.1 2.6 15.8 11.4 6.6 3.4 Celeste-Tel/Diario de León 6–20 Mar 2023 500 65.5 30.8 35.9 4.6 11.1 4.1 8.3 3.5 – 5.1 SyM Consulting/La Nueva Crónica 20 Dec–8 Jan 2023 1,200 55.1 31.9 30.0 3.8 13.4 6.7 10.1 – – 1.9 ElectoPanel/Electomanía 1 Apr–15 Jun 2020?? 34.1 30.5 5.2 11.4 4.1 10.9 – – 3.6 2019 municipal election 26 May 2019 64.0 32.1 29.6 14.0 9.4 5.3 5.0 2.3 – 2.5

Palencia Polling firm/Commissioner Fieldwork date Sample size Turnout GP VP Lead 2023 municipal election 28 May 2023 64.3 36.8 31.5 3.2 11.1 5.2 10.6 5.3 Sigma Dos/RTVCyL 6–12 May 2023 500? 35.6 38.1 5.7 6.8 9.0 3.9 2.5 Sigma Dos/RTVCyL 13–21 Mar 2023 420? 31.1 39.4 5.9 9.9 10.4 2.1 8.3 2019 municipal election 26 May 2019 67.8 37.9 33.4 11.9 6.1 5.6 3.3 – – 4.5

Ponferrada Polling firm/Commissioner Fieldwork date Sample size Turnout USE PRB VIAs Lead 2023 municipal election 28 May 2023 58.7 33.7 30.8 8.6 – – 4.7 4.8 1.4 0.6 7.4 4.7 2.9 Sigma Dos/RTVCyL 10–17 May 2023 500? 36.9 29.6 7.3 – – 4.8 4.5 1.9 0.3 7.6 4.7 7.3 Huaris CC/InfoBierzo 2–9 May 2023 1,011? 35.6 26.1 9.5 – – 6.7 8.2 0.7 – 8.3 4.8 9.5 IMC/Noticias Bierzo 15–22 Mar 2023 705 58.3 29.4 26.7 4.9 0.4 5.9 5.1 4.1 – 3.3 12.8 7.4 2.7 Sigma Dos/RTVCyL 13–22 Mar 2023 400? 33.9 25.8 6.2 2.1 5.3 5.2 6.1 1.8 – 6.0 4.1 8.1 Celeste-Tel/Diario de León 6–16 Mar 2023 400 62.9 31.6 29.3 9.1 2.2 8.4 7.3 6.7 3.1 – – – 2.3 SyM Consulting/La Nueva Crónica 3–7 Feb 2023 764 55.3 29.2 27.0 11.1 1.0 – 9.2 8.4 – – 9.5 – 2.2 Huaris CC/InfoBierzo 22–30 Apr 2021 423???????? – –? –? 2019 municipal election 26 May 2019 61.3 32.1 22.9 9.2 8.2 7.9 7.3 7.1 2.4 0.7 – – 9.2

Salamanca Polling firm/Commissioner Fieldwork date Sample size Turnout SMS SV Lead 2023 municipal election 28 May 2023 60.4 43.9 30.1 3.6 4.8 11.0 0.7 1.3 0.8 13.8 Sigma Dos/RTVCyL 8–16 May 2023 800? 39.7 32.7 4.5 7.0 9.7 – 3.0 1.5 7.0 Sigma Dos/RTVCyL 13–22 Mar 2023 639? 36.6 32.5 5.1 8.4 10.2 2.6 – – 4.1 Sigma Dos/El Mundo 10–16 Mar 2023 512? 36.4 31.7 5.2 8.3 11.9 3.1 – – 4.7 2019 municipal election 26 May 2019 63.4 36.1 34.0 15.5 7.6 4.5 0.2 – – 2.1

San Andrés del Rabanedo Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2019 municipal election 26 May 2019 56.5 21.1 25.4 5.3 25.6 12.7 6.4 0.2 SyM Consulting/La Nueva Crónica 14–19 Mar 2023 647 71.9 31.0 18.1 4.4 9.3 22.2 6.6 5.8 – 8.8 2019 municipal election 26 May 2019 59.7 35.1 20.6 12.3 10.8 6.5 6.4 5.5 – 14.5

Segovia Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 municipal election 28 May 2023 66.0 26.7 44.6 5.4 7.7 5.5 8.9 17.9 Sigma Dos/RTVCyL 6–13 May 2023 800? 29.3 43.2 2.7 6.4 6.3 10.2 13.9 Sigma Dos/RTVCyL 13–22 Mar 2023 400? 29.0 42.8 2.3 9.3 2.0 9.0 13.8 SW Demoscopia/PSOE Mar 2023????????? NC Report/El Adelantado 27 Sep–10 Oct 2022 500 71.3 32.8 41.3 2.7 7.6 4.6 7.2 8.5 2019 municipal election 26 May 2019 68.4 33.3 31.5 13.2 7.4 5.2 4.8 1.8

Soria Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 municipal election 28 May 2023 59.6 48.5 30.2 2.2 4.6 3.8 8.1 18.3 Sigma Dos/RTVCyL 6–12 May 2023 500? 45.9 30.5 2.1 4.8 5.1 9.6 15.4 Sigma Dos/RTVCyL 14–23 Mar 2023 639? 44.1 26.4 1.3 8.4 5.4 8.8 17.7 2019 municipal election 26 May 2019 63.0 49.5 23.2 8.5 6.2 3.9 3.9 26.3

Toro Polling firm/Commissioner Fieldwork date Sample size Turnout MpT ZSí F Lead 2023 municipal election 28 May 2023 67.4 27.0 31.7 – 2.4 0.3 20.6 6.6 10.6 4.7 Metroscopia/La Opinión 15–16 May 2023? 70 21.9 25.6 – 12.9 4.2 26.8 5.6 3.0 1.2 2019 municipal election 26 May 2019 69.1 51.2 24.8 18.3 – – – – – 26.4

Valladolid Polling firm/Commissioner Fieldwork date Sample size Turnout CA Lead 2023 municipal election 28 May 2023 67.2 36.7 36.2 2.0 9.0 11.7 – 1.7 0.5 Sigma Dos/RTVCyL 5–11 May 2023 800? 36.5 33.9 1.8 12.1 10.7 – 1.9 2.6 Data10/Okdiario 5–9 May 2023 1,500? 34.1 35.8 2.9 13.3 10.1 – – 1.7 GAD3/Vocento 5–6 May 2023 504? 38.8 36.3 2.5 9.2 10.1 – – 2.5 CIS 10–26 Apr 2023 802? 37.6 33.2 1.8 13.6 9.2 – – 4.4 Sigma Dos/RTVCyL 13–23 Mar 2023 736? 34.6 34.8 3.9 12.9 10.3 – 1.8 0.2 Sigma Dos/El Mundo 10–16 Mar 2023 609? 34.9 34.5 3.8 13.1 10.4 – 1.7 0.4 EM-Analytics/Electomanía 15 Nov 2021?? 31.0 38.0 4.7 8.3 13.0 – 7.0 2019 municipal election 26 May 2019 69.1 35.7 30.1 12.6 10.5 6.3 3.0 – – 5.6

Zamora Polling firm/Commissioner Fieldwork date Sample size Turnout ZSí Lead 2023 municipal election 28 May 2023 60.0 37.5 28.6 13.2 – 7.9 0.3 1.0 10.0 8.9 Metroscopia/La Opinión 15–16 May 2023 700 60 42.9 25.4 11.3 – 8.3 – 3.6 6.6 17.5 Sigma Dos/RTVCyL 5–11 May 2023 500? 40.1 27.3 14.5 – 8.0 – – 6.0 12.8 Sigma Dos/RTVCyL 13–22 Mar 2023 400? 32.3 29.1 18.2 1.9 8.1 2.6 2.8 3.4 3.2 EM-Analytics/Electomanía 14 May–15 Oct 2021 370? 50.3 26.3 6.7 3.4 7.6 – – – 24.0 2019 municipal election 26 May 2019 65.5 48.1 20.5 11.7 8.2 4.4 0.9 0.2 – 27.6

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