Municipality · Principado de Asturias

General election results in Siero (Asturias)

In Siero, the list with the most votes in the 2023 general election was PP, with 36.0 % of the valid vote, ahead of PSOE (33.4 %). Turnout was 70.7 %: 30,569 of 43,249 registered voters. In 2019 the list with the most votes had been PSOE, with 31.5 %.

INE 33066

July 23, 2023

General election 2023

Came firstPP
Turnout
70.7 %
Voters
30,569
Electorate
43,249
  • PP36.0 %10,872 votes
  • PSOE33.4 %10,090 votes
  • Sumar14.3 %4,318 votes
  • Vox13.5 %4,082 votes
  • Others1.7 %499 votes

Blank: 352. Invalid: 356.

November 10, 2019

General election 2019

Came firstPSOE
Turnout
64.9 %
Voters
27,780
Electorate
42,818
  • PSOE31.5 %8,656 votes
  • PP22.6 %6,208 votes
  • Vox17.9 %4,917 votes
  • UP14.8 %4,059 votes
  • Cs7.5 %2,053 votes
  • Más País2.5 %699 votes
  • Others1.6 %449 votes

Blank: 425. Invalid: 314.

2023 compared with 2019

Share of the valid vote in Siero and the change in points.
Party20192023Change
PP22.6 %36.0 %+13.4 pts
PSOE31.5 %33.4 %+1.9 pts
Sumar·14.3 %+14.3 pts
Vox17.9 %13.5 %−4.4 pts
UP14.8 %·−14.8 pts
Cs7.5 %·−7.5 pts
Más País2.5 %·−2.5 pts
Turnout64.9 %70.7 %+5.8 pts

Context

In the province of Asturias

Siero is number 4 of the 78 municipalities of the province by population (51,792 inhabitants). Across the province, PP came first in 2023 with 35.6 %. Asturias elects 7 members of Congress.

See the province of AsturiasSee it on the map

Other municipalities of Asturias

Source: Ministry of the Interior, final Congress results by municipality (without the vote of residents abroad, which is counted by province). Shares of the valid vote.

How to cite: Su Momento, “General election results in Siero”, October 5, 2026, https://sumomento.com/en/municipio/33066