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Spain · region

Castile and León population 2026

Castilla y León

Castile and León has 2,401,221 people on the latest official figure, for 1 January 2025, 9,539 more than a year earlier (+0.40%). It is 6th of Spain’s 19 autonomous communities by population, home to 4.9% of Spain’s people.

If last year’s change continues: about 2.4 million by 1 July 2026. That is our arithmetic, not an official figure.

Castile and León in numbers

Population
2.4 million 1 January 2025
Change in a year
+0.40% +9,539 people
Change since 2020
+0.09% from 2.4 million
Share of Spain
4.9% 6th of 19 autonomous communities
Population density
26per km² 94,223 km²

That is about as many people as Lesotho (2.4 million).

Population of Castile and León by year

Population of Castile and León
2.4M
› Show the numbers as a table
YearPopulation
20122,537,685
20132,516,927
20142,493,604
20152,475,697
20162,452,721
20172,433,535
20182,417,013
20192,405,568
20202,398,976
20212,385,223
20222,375,586
20232,383,703
20242,391,682
20252,401,221
YearPopulationChange
2025 2,401,221 +9,539
2024 2,391,682 +7,979
2023 2,383,703 +8,117
2022 2,375,586 −9,637
2021 2,385,223 −13,753
2020 2,398,976 −6,592
2019 2,405,568 −11,445
2018 2,417,013 −16,522
2017 2,433,535 −19,186
2016 2,452,721 −22,976
2015 2,475,697 −17,907
2014 2,493,604 −23,323
2013 2,516,927 −20,758
2012 2,537,685 –

Castile and León among Spain’s autonomous communities

Full ranking →
Autonomous communities of Spain by population
#
1 Andalusia8,676,713+0.52%
2 Catalonia8,124,126+1.40%
3 Community of Madrid7,113,886+1.49%
4 Valencian Community5,425,182+1.99%
5 Galicia2,714,741+0.33%
6 Castile and León2,401,221+0.40%
7 Canary Islands2,258,866+0.90%
8 Basque Country2,242,343+0.66%
9 Castilla-La Mancha2,126,378+1.04%
10 Region of Murcia1,586,989+1.18%
11 Aragon1,364,621+0.96%
12 Balearic Islands1,249,844+1.47%
13 Extremadura1,053,345−0.13%
14 Asturias1,015,128+0.55%
15 Navarre683,854+0.81%
16 Cantabria593,623+0.47%
17 La Rioja326,803+0.81%
18 Melilla87,067+1.26%
19 Ceuta83,567+0.47%

Largest cities in Castile and León

City proper, not the wider metro area; latest figure in GeoNames (CC BY 4.0), so years differ.

  1. Valladolid300,618
  2. Burgos176,418
  3. Salamanca144,825
  4. León124,772
  5. Palencia78,629
  6. Ponferrada68,736

Questions

What is the population of Castile and León in 2026?
The latest official figure is 2,401,221, for 1 January 2025 (Eurostat). If last year’s change continues, Castile and León would have about 2.4 million people by 1 July 2026; that is our arithmetic, not an official figure. Eurostat updates regional populations once a year.

Is Castile and León’s population growing or shrinking?
It grew by 9,539 people (+0.40%) in the latest year, and has changed +0.09% since 2020.

How does Castile and León rank in Spain?
Castile and León is 6th of Spain’s 19 autonomous communities, with 4.9% of the people. Andalusia is the largest, with 8.7 million.

What is the population density of Castile and León?
About 26 people per km², on 94,223 km². Total area, Wikidata.

What is the largest city in Castile and León?
Valladolid, with about 301 thousand people in the city proper. Metro areas are larger, and years differ (GeoNames).

Source and method

Eurostat, population on 1 January by NUTS region (demo_r_d2jan). Eurostat reuse policy (CC BY 4.0). Total area, Wikidata. Eurostat updates regional populations once a year. Ranks, shares and changes are our arithmetic on the published figures. National figures can differ from the UN’s projection for Spain, which uses a different method. The 2026 figure above carries last year’s change forward; it does not come from the source.

Cite this page: Castile and León population, Eurostat, 1 January 2025. GlobeMetrics, https://globemetrics.org/world-population/spain/castile-and-leon/

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