Gipuzkoa Province, Spain
Gipuzkoa province, in the Basque Country, is home to 733,365 people in 88 municipalities covering 765 sq mi. Its capital, San Sebastián, sits at 26 ft (8 m), and its highest point is Aketegi, at 5,089 ft (1,551 m).
- Population (2025)
- 733,365
- +2.3% since 2015
- Area
- 765 sq mi
- 50th largest of the 50 provinces
- Density
- 959 people/sq mi
- Spain: 251 people/sq mi
- Municipalities
- 88
- 32 with fewer than 1,000 people
Map of Gipuzkoa province by municipality
- Capital
- Municipality with an elevation page
- Elevation page (color shows elevation)
- Highest point and peaks
Population and municipalities
With 733,365 people on January 1, 2025, Gipuzkoa province ranks 23rd by population and 50th by area among Spain’s 50 provinces. Since 2015 it has gained 16,531 people (2.3%). Density is 959 people/sq mi, against a Spanish average of 251 people/sq mi.
The capital, San Sebastián, has 189,866 residents, 26% of the province. Next come Irun (63,835), Errenteria (39,363), and Eibar (27,484).
Of its 88 municipalities (the 38th most of any province), 32 have fewer than 1,000 people. The smallest by population is Orexa, with 103, and the largest by area is Oñati, at 41.5 sq mi.
| Municipality | Population | Area | Elevation |
|---|---|---|---|
| San Sebastián | 189,866 | 23.5 sq mi | 26 ft |
| Irun | 63,835 | 16.1 sq mi | 82 ft |
| Errenteria | 39,363 | 12.5 sq mi | — |
| Eibar | 27,484 | 9.57 sq mi | — |
| Zarautz | 23,496 | 5.54 sq mi | — |
| Arrasate/Mondragón | 22,450 | 12.7 sq mi | — |
| Hernani | 20,375 | 15.4 sq mi | — |
| Tolosa | 20,070 | 14.4 sq mi | — |
| Lasarte-Oria | 19,435 | 2.32 sq mi | — |
| Hondarribia | 16,788 | 11.5 sq mi | — |
Elevation
The capital, San Sebastián, sits 26 ft (8 m) above sea level, the 9th lowest of Spain’s 52 provincial capitals and autonomous cities.
According to the IGN’s summit table, the highest point in Gipuzkoa province is Aketegi, at 5,089 ft (1,551 m), in the Aizkorri mendilerroa. It’s 30 mi from the capital in a straight line and 5,062 ft higher.
Besides the capital, one city over 50,000 people has its own elevation page: Irun (82 ft).
Peaks with a page in Gipuzkoa province or on its border: Aketegi (5,089 ft) and Aizkorriko gurutzea (4,997 ft).
- Aketegi 5,089 ft
- Aizkorriko gurutzea 4,997 ft
- Irun 82 ft
- San Sebastián 26 ft
Basque Country
Gipuzkoa is one of the 3 provinces of the Basque Country, along with Álava and Bizkaia. See Basque Country: its provinces, population and peaks.
Tools and maps
Frequently asked questions
How many municipalities are in Gipuzkoa province?
88. That ranks 38th among Spain’s provinces, and 32 of them have fewer than 1,000 people.
What is the population of Gipuzkoa province?
733,365, according to the INE’s municipal register on January 1, 2025: the 23rd most populous province in Spain.
What is the highest point in Gipuzkoa province?
Aketegi, at 5,089 ft (1,551 m), according to the IGN’s summit table.
What is the elevation of San Sebastián?
26 ft (8 m) above sea level, the ground height in the IGN’s MDT05 terrain model at the city’s reference point.
What is the largest town in Gipuzkoa province after the capital?
Irun, with 63,835 people. Next is Errenteria, with 39,363.
Sources
- Population: our own work with data from the INE website (www.ine.es), municipal register on January 1, 2025 (updated 12/11/2025).
- Area, municipal boundaries, elevations and highest point: Spain’s National Geographic Institute, IGN (CC BY 4.0 ign.es). Simplified boundaries.
- Position of peaks with a page: OpenStreetMap (ODbL).
Reviewed October 31, 2026 · Methodology and sources · Spotted a mistake? Let us know