District · Alajuela Canton # San Isidro San Isidro is a district of Costa Rica in Alajuela Canton, Alajuela Province. It had an estimated 22,265 people in 2021 on 35 km² (about 642 per km²). 27 named villages and localities are recorded here, and 60 mapped services such as hospitals, banks and schools. - 22,265 people (2021) - 34.7 km² - 60 mapped services - 1,220 m typical elevation ## How many people live in San Isidro? San Isidro had an estimated 22,265 people in 2021 — 7.0% of Alajuela Canton, 62nd of 472 districts. There are 973 women for every 1,000 men (close to the Alajuela Canton figure of 973). Spread over 35 km², that is about 642 people per km², 140th of 472 districts. 21.5% of people are children under 15 and 9.2% are 65 or older; the median age is about 33 years (it is 34 across Alajuela Canton). For every 100 people of working age (15–64) there are 44 children and older people. - 0–4 1,598 - 5–9 1,568 - 10–14 1,630 - 15–19 1,633 - 20–24 1,761 - 25–29 1,915 - 30–34 1,969 - 35–39 1,819 - 40–44 1,552 - 45–49 1,313 - 50–54 1,239 - 55–59 1,195 - 60–64 1,028 - 65–69 793 - 70–74 525 - 75+ 727 Source: Costa Rica National Statistics Office (NSO) via OCHA HDX, population 2021 (COD-PS, CC BY-IGO). ## Where is San Isidro? San Isidro lies in Alajuela Canton, Alajuela Province, Costa Rica. It borders 7 other districts: Alajuela, Carrizal, Sabanilla, San José, Santo Domingo, Tambor and Varablanca. By area it is the 237th largest of 492 districts in Costa Rica. It covers 8.9% of Alajuela Canton. The centre of San Isidro is about 21 km in a straight line from San José, the capital. It is about 8.5 km from Alajuela, the main town of Alajuela Canton. The centre point is at 10.0909° N, 84.1907° W. Source: Costa Rica National Statistics Office (NSO) via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO). ## Things to see in and around San Isidro OpenStreetMap lists 3 named sights in San Isidro: 1 waterfall; 1 monument; 1 ruins. - Cascada Sabanilla · waterfall - Fábrica Potrerillos · ruins - Monumento a Timoleón Morera Soto · monument ### Nearby, outside San Isidro - Doka Estate Costa Rica Gourmet Coffee · attraction, Sabanilla 2.5 km - Monumento a los 2 primeros muertos de la guerra de 1948 · monument, Sabanilla 3.3 km - Parque de Diversiones Sabanilla · theme park, Sabanilla 3.5 km - El Escondite de La Montaña · attraction, Sabana Redonda 4.8 km - Casa quemada · ruins, Sabanilla 5.0 km - Antiguo Mirador El Cerro · ruins, Sabanilla 5.2 km - Amapola waterfall · waterfall, Santo Domingo 6.0 km - Catarata don Luis · waterfall, San Juan 6.3 km - Mirador Jacaranda · viewpoint, Jesús 6.7 km - Mirador Vikingos · viewpoint, Jesús 6.9 km - Finca Sircof · attraction, San José 8.2 km - Alejandro Morera Soto · memorial, Alajuela 8.3 km Source: © OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements. Named attractions, museums, viewpoints, historic sites and natural features mapped in OpenStreetMap. Places of worship are not listed. ## Know before you go: San Isidro - Time zone UTC−6, no daylight saving · America/Costa_Rica - Currency Colon (CRC) - Country calling code +506 - Languages Spanish, English - Plug types Type A, B · 120 V - Driving side Right - Postcode format 5 digits (#####) ### Nearest airports - Juan Santamaría International Airport (SJO) · San José (Alajuela) 11 km - Tobías Bolaños International Airport (SYQ) · San Jose 16 km ### Nearest railway station Hospital Alajuela (Alajuela), about 9.4 km from the centre. ### Daylight Days are longest in Jun (about 12.7 hours, sunrise around 05:15) and shortest in Dec (about 11.5 hours, sunrise around 05:45, sunset around 17:18). Source: GeoNames country and time-zone files (CC BY 4.0); Wikidata (CC0) — plug types, mains voltage, driving side; retrieved 2026-11-03; OurAirports (public domain). Airports with scheduled passenger flights; straight-line distances. Daylight is calculated for the 15th of each month in local standard time. Check entry and visa rules with official government sources before travelling. ## Villages and localities in San Isidro Open gazetteers list 27 villages, towns and localities in San Isidro. Settlements here lie between about 928 m and 1,951 m above sea level (median 1,220 m). - Alto Pilas - Arias - Buríos - Carbonal - Cerrillal - Concordia - Dulce Nombre - El Rodeo - Espino - Imas 1 - Imas 2 - Itiquís - La Ceiba - La Laguna - Laguna - Loría - Maravilla - Montaña - Pilas - Potrerillos - San Isidro - San Jerónimo - San Martín - San Rafael - Tacacorí - Viento Fresco - Villas de La Ceiba Source: GeoNames (CC BY 4.0) — settlements, natural and historic features; © OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements. ## Landscape and landmarks of San Isidro Named natural and historic features inside San Isidro, from the GeoNames gazetteer. ### Water 5 rivers and streams. - Quebrada Chaves - Quebrada Los Rastrojos - Quebrada Salto - Río Azahar - Río Desengaño Source: GeoNames (CC BY 4.0) — settlements, natural and historic features. Places of worship are not listed. Elevations are from the GeoNames terrain model and are approximate. ## Weather in San Isidro and the best time to visit Using the climate of Alajuela Canton, the warmest month is Apr (average 23 °C) and the coolest is Dec (20 °C), after allowing for this place being about 307 m higher than the climate reference point (about 6.5 °C per 1,000 m). About 1,793 mm of rain falls in a year; the wettest month is Oct (301 mm) and the driest Feb (22 mm). The most comfortable months for a visit are December to April. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec | Month | Average °C | Rain mm | | Jan | 21 | 38 | | Feb | 22 | 22 | | Mar | 23 | 29 | | Apr | 23 | 76 | | May | 22 | 220 | | Jun | 22 | 209 | | Jul | 21 | 184 | | Aug | 21 | 198 | | Sep | 21 | 256 | | Oct | 21 | 301 | | Nov | 21 | 188 | | Dec | 20 | 70 | Source: NASA POWER climatology, retrieved 2026-10-29. ## Nearest hospital, bank and fuel from San Isidro | Need | Nearest mapped | Distance | | | Hospital | Centro Médico San Bosco. Dra Maricela Soto A · Purabá | 4.8 km | Map | | Bank | National Bank · San Pedro | 6.2 km | Map | | ATM | BCR · Sabanilla | 3.2 km | Map | | Petrol pump | Servicentro Carrizal · Carrizal | 3.1 km | Map | | Hotel | Hotel Poas Paradise · Sabanilla | 2.7 km | Map | | Mall | Distrito Purabá · Purabá | 4.9 km | Map | | School | Escuela Mario Agüero González · San Isidro | 0.9 km | Map | | College | Liceo San Rafael · San Juan | 6.7 km | Map | | Police station | Delegación Policial San Isidro · San Isidro | 1.4 km | Map | Source: Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL). Straight-line distance from the centre of the division, within 40 km. ## Hospitals, banks and other services in San Isidro Places mapped inside San Isidro in open map data, by type. - ATMs 1 - Petrol pumps 2 - Hotels 13 - Schools 12 - Colleges and universities 2 - Pharmacies 1 - Restaurants 27 - Police stations 1 - Dental clinics 1 Source: Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL). Coverage depends on what has been mapped; contact details are not shown. ## Other districts in Alajuela Canton - Alajuela - Carrizal - Desamparados - Garita - Guácima - Río Segundo - Sabanilla - San Antonio - San José - San Rafael - Sarapiquí - Tambor - Turrúcares ## Quick answers - Where is San Isidro? In Alajuela Canton, Alajuela Province, Costa Rica - What is the population of San Isidro? 22,265 (2021 estimate) - What is the median age in San Isidro? About 33 years (2021 estimate) - What is the population density of San Isidro? About 642 people per km² - What borders San Isidro? Alajuela, Carrizal, Sabanilla, San José, Santo Domingo, Tambor and Varablanca - What is there to see in San Isidro? Cascada Sabanilla, Fábrica Potrerillos, Monumento a Timoleón Morera Soto - What time zone is San Isidro in? UTC−6 - What currency is used in San Isidro? Colon (CRC) - What language is spoken in San Isidro? Spanish, English (main languages nationally) - How many villages are in San Isidro? 27 named settlements (GeoNames, OpenStreetMap) - What is the elevation of San Isidro? Settlements lie between 928 m and 1,951 m - What is the best time to visit San Isidro? December to April - Where is the nearest hospital to San Isidro? Centro Médico San Bosco. Dra Maricela Soto A, about 4.8 km from the centre - Where is the nearest bank to San Isidro? National Bank, about 6.2 km from the centre - Where is the nearest ATM to San Isidro? BCR, about 3.2 km from the centre - Where is the nearest petrol pump to San Isidro? Servicentro Carrizal, about 3.1 km from the centre - How many ATMs are in San Isidro? 1 mapped - How many petrol pumps are in San Isidro? 2 mapped - What is the P-code of San Isidro? CR20106 (OCHA common operational dataset) At a glance - Type: District - Area: 34.7 km² - P-code: CR20106 - Canton: Alajuela Canton --- Canonical: https://wherepedia.org/costa-rica/alajuela/alajuela/san-isidro/ · Updated 2026-11-03 · Data: national censuses and statistics offices (sources named in each section); © OpenStreetMap contributors (ODbL); Overture Maps; GeoNames; NASA POWER.