Cádiz Province, Spain

With 1,257,041 people on January 1, 2025, Cádiz province ranks 8th by population and 34th by area among Spain’s 50 provinces. Since 2015 it has gained 16,757 people (1.4%). Density is 437 people/sq mi, against a Spanish average of 251 people/sq mi.

The capital, Cádiz, has 109,950 residents, 8.7% of the province. Next come Jerez de la Frontera (213,634), Algeciras (126,589), and San Fernando (93,338).

Of its 45 municipalities (the 48th most of any province), 3 have fewer than 1,000 people. The smallest by population is Villaluenga del Rosario, with 463, and the largest by area is Jerez de la Frontera, at 459 sq mi.

The capital, Cádiz, sits 13 ft (4 m) above sea level, the 2nd lowest of Spain’s 52 provincial capitals and autonomous cities.

According to the IGN’s summit table, the highest point in Cádiz province is Pinar, at 5,407 ft (1,648 m), in the Sierra del Pinar. It’s 51 mi from the capital in a straight line and 5,394 ft higher.

Besides the capital, 7 cities over 50,000 people have their own elevation page: Jerez de la Frontera (161 ft), Sanlúcar de Barrameda (79 ft), San Fernando (62 ft), Algeciras (56 ft), El Puerto de Santa María (23 ft), Chiclana de la Frontera (13 ft), and La Línea de la Concepción (13 ft).

Cádiz is one of the 8 provinces of Andalusia, along with Almería, Córdoba, Granada, Huelva, Jaén, Málaga, and Seville. See Andalusia: its provinces, population and peaks.