In 2025, Madrid was the city with the most inhabitants in Spain. In that year, nearly 3.48 million people lived in the city. Barcelona was the second-largest city with 1.71 million residents.
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City Population. (December 23, 2025). Spain: the largest cities in 2025 (in million residents) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 18, 2026, from /statistics/275361/largest-cities-in-spain/
City Population. "Spain: the largest cities in 2025 (in million residents)." Chart. December 23, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 18, 2026. /statistics/275361/largest-cities-in-spain/
City Population. (2025). Spain: the largest cities in 2025 (in million residents). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 18, 2026. /statistics/275361/largest-cities-in-spain/
City Population. "Spain: The Largest Cities in 2025 (in Million Residents)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 23 Dec 2025, /statistics/275361/largest-cities-in-spain/
City Population, Spain: the largest cities in 2025 (in million residents) ÌÇÐÄÆƽâ°æ, /statistics/275361/largest-cities-in-spain/ (last visited July 18, 2026)
Spain: the largest cities in 2025 (in million residents) [Graph], City Population, December 23, 2025. [Online]. Available: /statistics/275361/largest-cities-in-spain/
