San Miguel is a local holiday in 105 municipalities — 140,038 residents in the 2025 register. In 2026 it falls on 29 September; below, where and when it's celebrated.
Other regions: 5 · 15 municipalities
Verified data
In 2026, the dataset records San Miguel as a local holiday in 105 municipalities, accounting for 140,038 residents in the 2025 register. The most common date is 29 September 2026. 33 municipalities set it on another date.
This comparison uses only the official working calendars incorporated into the dataset for each year.
Demographic profile
Age, citizenship, birthplace and average-age structure from the 2025 Annual Population Census.
49.5% / 50.5%
12.4%
63.9%
23.7%
10.8%
14.4%
46.4 years
Comparison with Spain and with the aggregate of the 11 regions where it is observed. All five comparisons are population-weighted and use only the 2025 Annual Census. A positive sign means the covered population has a higher value than the benchmark.
| Demographic profile | Covered population | Compared with Spain | Compared with its 11 regions |
|---|---|---|---|
| Aged 0–14 | 12.4% | -0.5 pp | -0.1 pp |
| Aged 65+ | 23.7% | +3 pp | +1.6 pp |
| Foreign citizenship | 10.8% | -3.3 pp | -2.9 pp |
| Born outside Spain | 14.4% | -4.8 pp | -4.7 pp |
| Weighted mean age | 46.4 years | +1.9 years | +1 years |
The largest difference from Spain is in “Born outside Spain”: -4.8 pp.
Sex comes from the 2025 municipal register; all other metrics come from the 2025 Annual Census. Each percentage uses the total from its own statistical operation. INE municipal tables 68535 and 68541.
When
In 2026 it falls on Tuesday 29 September in most municipalities. 33 move it to another date (when it lands on a weekend or by local agreement).
| Year | Main date | Municipalities |
|---|---|---|
| 2024 | Monday, 30 September | 46 |
| 2025 | Monday, 29 September | 96 |
| 2026 | Tuesday, 29 September | 105 |
Traceability
Official documents linked by the 2026 records. Dates can vary by territory; each municipality page preserves its specific source.
Population: official municipal-register figures at 1 January 2025. INE.
INE municipal tables 68535 and 68541.
Where it's a holiday
Its local holiday in 2026, by region. Each municipality links to its annual record and the available official source.
Together, they account for 140,038 residents in the INE municipal register at 1 January 2025.
Castilla y León40
Aldea de San MiguelAyllónCabañas de SayagoCabreros del RíoCarbellinoCastrodezaCastronuñoCigudosaCubillas de RuedaDuruelo de la SierraFrechillaFuenteburebaFuentecantosFuentes de NavaGrajal de CamposGuisandoHazaIbeas de JuarrosManzanal de los InfantesMilles de la PolvorosaMiño de MedinaceliMonterrubio de la SierraMoralinaMudáNavalonguillaNeilaPelayos del ArroyoPeñaranda de BracamontePiña de CamposRiofrío de RiazaSalceSan Miguel de BernuySan Miguel del RobledoSebúlcorSepúlvedaTalveilaTarazona de GuareñaTrabazosVillaescusa la SombríaZapardiel de la CañadaCastilla-La Mancha14
AnchurasArgecillaBallestero, ElBaños de TajoCastejón de HenaresDriebesFresneda de la SierraHuertahernandoMontalboOlmeda del ReyPuebla de VallesRobledo del MazoVilla de VesVillagarcía del LlanoAragón13
AlfajarínBiotaBubiercaCastejón de MonegrosCastiello de JacaChodesFayónLituénigoTalamantesValfartaViciénVierlasVillarreal de HuervaOther regions
Comunitat Valenciana11
Comunidad Foral de Navarra4
La Rioja3
Comunidad de Madrid2
Principado de Asturias1
FAQ
In 2026, San Miguel is mainly celebrated on 29 September 2026 (Tuesday). Some municipalities move it to another date on the working calendar.
It's a local holiday in 105 municipalities in 2026, accounting for 140,038 residents in the 2025 register; mostly in Castilla y León (40 municipalities).
No. San Miguel is a local-level holiday: it's only a non-working day in the municipalities that set it as their local festival; each keeps its official source.
Other holidays
Per-municipality data with its official source (regional gazette). Every date is verifiable on the municipality page. Data from festivos.io — CC BY 4.0.