---
entity_id: city:es:wikidata:Q4476
entity_type: city
name: Zalla
country_code: ES
country: Spain
slug: zalla
canonical_url: https://immigrationdb.com/cities/es/zalla/
json_url: https://immigrationdb.com/data/cities/es/zalla.json
markdown_url: https://immigrationdb.com/data/cities/es/zalla.md
mcp_uri: immigrationdb://city/es/zalla
snapshot_id: approved-static-bb6d69cd3c074ae2
generated_at: 2026-08-04
last_verified: 2026-08-01
fact_count: 14
metric_dictionary_url: https://immigrationdb.com/data/metrics.json
license_url: https://immigrationdb.com/about/copyright/
---

# Zalla

Zalla is in Spain; its population was 8,334 at the start of 2025. At the end of 2024, annual PM2.5 was 8 µg/m³.

## Work

The unemployment rate was 5.4% in June 2026.

## Mobility

The nearest airport was BIO, 20.3 km away, with 35 listed destinations in June 2026. Gigabit broadband availability was 97.8% in June 2025.

## Facts

| Metric | metric_id | Value | Scope | Observed | Verified | Freshness | Lane | Source |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Population | `population_total` | 8,334 people | city | 2025-01-01 | 2026-06-07 | aging | verified | [1] |
| Gigabit broadband availability | `broadband_gigabit_availability_percent` | 97.7711 % | city | 2025-06-30 | 2026-07-15 | aging | verified | [2] |
| Unemployment rate | `unemployment_total_percent` | 5.4 % | city | 2026-06-30 | 2026-07-26 | fresh | verified | [3] |
| NO₂ — annual mean | `air_quality_no2_annual_ug_m3` | 7 µg/m³ | nearest_station | 2024-12-31 | 2026-08-01 | stale | verified | [4] |
| PM10 — annual mean | `air_quality_pm10_annual_ug_m3` | 14 µg/m³ | nearest_station | 2024-12-31 | 2026-08-01 | stale | verified | [5] |
| PM2.5 — annual mean | `air_quality_pm25_annual_ug_m3` | 8 µg/m³ | city | 2024-12-31 | 2026-07-29 | stale | verified | [6] |
| Average daytime high by month | `climate_monthly_high_c` | Jan 13.5 · Feb 14.1 · Mar 16.6 · Apr 18 · May 21 · Jun 23.6 · Jul 25.5 · Aug 26.4 · Sep 24.6 · Oct 21.5 · Nov 16.5 · Dec 14.1 °C | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] |
| Average night-time low by month | `climate_monthly_low_c` | Jan 5.4 · Feb 5.1 · Mar 6.7 · Apr 8.1 · May 11 · Jun 13.9 · Jul 16 · Aug 16.2 · Sep 14 · Oct 11.7 · Nov 8.3 · Dec 6.2 °C | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] |
| Average temperature by month | `climate_monthly_mean_c` | Jan 9.4 · Feb 9.6 · Mar 11.6 · Apr 13.1 · May 16 · Jun 18.8 · Jul 20.7 · Aug 21.3 · Sep 19.3 · Oct 16.6 · Nov 12.4 · Dec 10.1 °C | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] |
| Average precipitation by month | `climate_monthly_precip_mm` | Jan 131.4 · Feb 108.7 · Mar 97.5 · Apr 96.6 · May 75.9 · Jun 58.2 · Jul 51.8 · Aug 52.7 · Sep 75 · Oct 111.6 · Nov 170.5 · Dec 124.8 mm | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] |
| Average sunshine by month | `climate_monthly_sunshine_h` | Jan 75.4 · Feb 89.3 · Mar 126.8 · Apr 137.8 · May 166.6 · Jun 168.4 · Jul 176.8 · Aug 173.8 · Sep 156.2 · Oct 121.4 · Nov 77.7 · Dec 73.8 hours | nearest_station | 1991-12-31 | 2026-07-31 | stale | verified | [7] |
| Destinations from nearest airport | `nearest_airport_destinations_count` | 35 count | city | 2026-06-13 | 2026-06-13 | fresh | verified | [8] |
| Nearest airport | `nearest_airport_iata` | BIO code | city | 2026-06-13 | 2026-06-13 | fresh | verified | [9] |
| Distance to nearest airport | `nearest_airport_km` | 20.3 km | city | 2026-06-13 | 2026-06-13 | fresh | verified | [9] |

Every row keeps the value, unit, geographic scope, observation date, verification date and the numbered source below. A missing metric means the city does not publish it; nothing is imputed.

## Sources

1. INE — Padrón municipal (t=2856, c3=ine5) — Official source — https://www.ine.es/jaxiT3/Tabla.htm?t=2856&L=0&c=0&f=2024&c2=0&c3=48096
2. SETELECO Cobertura Banda Ancha España 2021-2025 — Official source — https://digital.gob.es/content/dam/portal-mtdfp/avance-digital/telecomunicacion-e-infraestructuras-digitales/areas_interes/banda-ancha/cobertura/documents/Cobertura_BA_Espa%C3%B1a_2021-2025_MUN_PROV_CCAA_Nacional_datosgob_DEF.xlsx
3. SEPE — registered unemployment by municipality, June 2026 — Independent source — https://www.sepe.es/HomeSepe/dam/jcr:fa01acf9-3b62-435f-a186-155f2f80fd4b/ESTADISTICA_MUNICIPIOS.xls
4. EEA air quality statistics — ES NO2 annual mean 2024 (station ZALLA) — Official source — https://air.discomap.eea.europa.eu/arcgis/rest/services/AirQuality/AQ_Statistics_WM/MapServer/0/query?where=Country_ISO%3D'ES'%20AND%20AirPollutant%3D'NO2'%20AND%20YearOfStatistics%3D2024&outFields=AirPollutant,AirPollutionLevel,Country_ISO,StationName,YearOfStatistics,UnitOfAirpollutionLevel,ReportingMetric,LatitudeOfMeasurementStation,LongitudeOfMeasurementStation,DataCoverage,Preliminary&returnGeometry=false&f=json
5. EEA air quality statistics — ES PM10 annual mean 2024 (station ZALLA) — Official source — https://air.discomap.eea.europa.eu/arcgis/rest/services/AirQuality/AQ_Statistics_WM/MapServer/0/query?where=Country_ISO%3D'ES'%20AND%20AirPollutant%3D'PM10'%20AND%20YearOfStatistics%3D2024&outFields=AirPollutant,AirPollutionLevel,Country_ISO,StationName,YearOfStatistics,UnitOfAirpollutionLevel,ReportingMetric,LatitudeOfMeasurementStation,LongitudeOfMeasurementStation,DataCoverage,Preliminary&returnGeometry=false&f=json
6. EEA Air Quality Annual Statistics — Spain 2024 PM2.5 provenance repair — Official source — https://air.discomap.eea.europa.eu/arcgis/rest/services/AirQuality/AQ_Statistics_WM/MapServer/0/query?where=AirPollutant%3D%27PM2.5%27+AND+YearOfStatistics%3D2024&outFields=AirPollutant%2CAirPollutionLevel%2CCountry_ISO%2CStationName%2CAreaOfMeasurementStation%2CYearOfStatistics%2CUnitOfAirpollutionLevel%2CTypeOfMeasurementStation%2CDataCoverage%2CReportingMetric%2CLatitudeOfMeasurementStation%2CLongitudeOfMeasurementStation&returnGeometry=false&resultRecordCount=1000&resultOffset=0&f=json
7. WMO Climatological Normals 1991-2020 — station BILBAO/AEROPUERTO — Official source — https://www.ncei.noaa.gov/data/oceans/archive/arc0216/0253808/1.1/data/0-data/Region-6-WMO-Normals-9120/Spain/CSV/BILBAOAEROPUERTO_8025.csv
8. OpenFlights — routes.dat — Official source — https://raw.githubusercontent.com/jpatokal/openflights/master/data/routes.dat
9. OurAirports — airports.csv — Official source — https://davidmegginson.github.io/ourairports-data/airports.csv

## Cite

ImmigrationDB. "Zalla, Spain." Snapshot approved-static-bb6d69cd3c074ae2, last verified 2026-08-01. https://immigrationdb.com/cities/es/zalla/

Reuse requires the direct source URL, the observation date and a link back to the ImmigrationDB page: https://immigrationdb.com/about/copyright/

## Data

- HTML: https://immigrationdb.com/cities/es/zalla/
- JSON: https://immigrationdb.com/data/cities/es/zalla.json
- Markdown: https://immigrationdb.com/data/cities/es/zalla.md
- MCP resource: immigrationdb://city/es/zalla
- Metric dictionary: https://immigrationdb.com/data/metrics.json
- All published city facts, one row each: https://immigrationdb.com/data/facts.ndjson.gz
- Release catalog: https://immigrationdb.com/data/catalog.json
