San Isidro Labrador is a local holiday in 132 municipalities — 4,447,157 residents in the 2025 register. In 2026 it falls on 15 May; below, where and when it's celebrated.
Other regions: 5 · 19 municipalities
Verified data
In 2026, the dataset records San Isidro Labrador as a local holiday in 132 municipalities, accounting for 4,447,157 residents in the 2025 register. The most common date is 15 May 2026. 4 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.
52.5% / 47.5%
12.4%
67.7%
19.9%
18.3%
27.3%
44.1 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 | -0.6 pp |
| Aged 65+ | 19.9% | -0.8 pp | -0.9 pp |
| Foreign citizenship | 18.3% | +4.2 pp | +5 pp |
| Born outside Spain | 27.3% | +8 pp | +9.4 pp |
| Weighted mean age | 44.1 years | -0.5 years | -0.5 years |
The largest difference from Spain is in “Born outside Spain”: +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 Friday 15 May in most municipalities. 4 move it to another date (when it lands on a weekend or by local agreement).
| Year | Main date | Municipalities |
|---|---|---|
| 2024 | Wednesday, 15 May | 81 |
| 2025 | Thursday, 15 May | 130 |
| 2026 | Friday, 15 May | 132 |
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 4,447,157 residents in the INE municipal register at 1 January 2025.
Castilla-La Mancha40
Alcázar del ReyAlhambraArgamasilla de CalatravaAzuqueca de HenaresCañada JuncosaCasas de Fernando AlonsoGolosalvoHonrubiaLlanos del CaudilloMahoraMejoradaMinayaMontalbanejoMontealegre del CastilloMotilla del PalancarMotillejaNavalpinoOlmedilla de AlarcónPesquera, LaPobletePuebla de Don RodrigoPuebla del PríncipeSalmeroncillosSan Pedro PalmichesSanta Cruz de la ZarzaSanta Cruz de los CáñamosSeseñaTalavera de la ReinaTerrinchesTorralbaTorre de Esteban Hambrán, LaTresjuncosVianosVillacañasVillamanriqueVillamayor de SantiagoVillanueva de San CarlosVillar de la EncinaVillarrubia de los OjosVillaverde y PasaconsolCastilla y León36
Becerril de CamposBercianos del Real CaminoBorobiaCamporredondoCármenesCeaCorbillos de los OterosFresno de la VegaFuensaldañaFuenteguinaldoGordaliza del PinoGradefesGusendos de los OterosManganeses de la PolvorosaMontealegre de CamposPobladura de Pelayo GarcíaPuebla de LilloPuebla de YeltesRibotaRobladilloSanta María del PáramoSanta Marina del ReySantas MartasTenebrónValdeluguerosValdenebro de los VallesValdepoloValtiendasVillabuena del PuenteVillamolVillanueva de ArgañoVillanueva de las PerasVillavaquerínVillazanzo de ValderadueyWambaZapardiel de la CañadaExtremadura18
AlangeAtalayaBodonal de la SierraCalzadilla de los BarrosCampillo de LlerenaCasas de Don PedroEntrín BajoFuente del MaestreHinojosa del ValleHornachosMaguillaMedina de las TorresMontijoOliva de la FronteraSolana de los BarrosValverde de BurguillosValverde de LlerenaZafraOther regions
Comunidad de Madrid6
Comunitat Valenciana6
Comunidad Foral de Navarra3
Aragón1
FAQ
In 2026, San Isidro Labrador is mainly celebrated on 15 May 2026 (Friday). Some municipalities move it to another date on the working calendar.
It's a local holiday in 132 municipalities in 2026, accounting for 4,447,157 residents in the 2025 register; mostly in Castilla-La Mancha (40 municipalities).
No. San Isidro Labrador 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.