# Population in Castellón province

Population in Castellón province was 627,173 in 2025. Source: Instituto Nacional de Estadística.

- Indicator id: `population`
- Place id: `es-prov-12`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
- Note: For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.
- Source: Instituto Nacional de Estadística, Cifras oficiales de población de los municipios españoles: Revisión del Padrón municipal (tabla 29005) (https://www.ine.es/jaxiT3/Tabla.htm?t=29005)
- Retrieved: 2026-10-07
- License: INE reuse terms (attribution required)
- Citation: Instituto Nacional de Estadística (INE). Cifras oficiales de población de los municipios españoles: Revisión del Padrón municipal (tabla 29005). https://www.ine.es/jaxiT3/Tabla.htm?t=29005. Retrieved 2026-10-07.
- Web page: https://invokely.ai/en/population/castellon-province
- CSV: https://invokely.ai/download/population/castellon-province.csv
- API: https://invokely.ai/api/v1/series?indicator=population&place=es-prov-12

| Period | persons |
|---|---:|
| 2025 | 627,173 |
| 2024 | 615,849 |
| 2023 | 603,952 |
| 2022 | 590,616 |
| 2021 | 587,064 |
| 2020 | 585,590 |
| 2019 | 579,962 |
| 2018 | 576,898 |
| 2017 | 575,470 |
| 2016 | 579,245 |
| 2015 | 582,327 |
| 2014 | 587,508 |
| 2013 | 601,699 |
| 2012 | 604,564 |
| 2011 | 604,344 |
| 2010 | 604,274 |
| 2009 | 602,301 |
| 2008 | 594,915 |
| 2007 | 573,282 |
| 2006 | 559,761 |
| 2005 | 543,432 |
| 2004 | 527,345 |
| 2003 | 518,239 |
| 2002 | 501,237 |
| 2001 | 485,173 |
| 2000 | 474,385 |