Altzaga, Gipuzkoa property and area FAQs

Altzaga is a town located in the Goierri region of the province of Gipuzkoa, in the autonomous community of the Basque Country, in the north of Spain.

The current IGN Nomenclátor extract records 1 official population nucleus for Altzaga. The imported source records are dated through 2025-12-03. The entry explicitly marked as the municipal capital is Altzaga, at a recorded elevation of approximately 284 metres. Nomenclátor entries describe settlement geography; they are not listing totals, neighbourhood boundaries or evidence of homes currently available for sale.

The linked structured municipality record gives an area of 2.5 square kilometres for Altzaga municipality. This is municipal geography, not a property-search radius.

Altzaga is an official municipality in Gipuzkoa province, Spain. Its exact municipality identity is used for the official evidence on this page.

Dividing the INE population of 171 by the recorded municipal area of 2.5 km² gives approximately 67.9 residents per km² for Altzaga municipality. This is a transparent calculation from the two cited values.

Yes. The structured municipality record includes an official website field. NLS treats that as identity context and not as property-market evidence.

The linked structured record gives a municipal reference coordinate of 43.0642, -2.1547. It is not a listing coordinate, parcel boundary or search radius.

The stated official-data scope is Altzaga municipality. Current NLS listings use the property-search area itself, while official market and demographic measures keep their own published geography visible.

Altzaga is treated as an official municipality. The page is joined to institutional datasets by its five-digit INE identity, not by a loose name match.

The official municipality context used for Altzaga has INE code 20906. That code prevents same-name municipalities in different provinces from being combined.

The latest imported INE population for Altzaga municipality is 171, for period 2023.

Across the first and latest points in the displayed INE series for Altzaga municipality, recorded population changed by 0.0%. This describes the published series, not a forecast.

The latest imported INE household-income atlas value for Altzaga municipality is €18,055 net income per person, for period 2023.

INE records an average age of 42.2 years for Altzaga municipality, for period 2023.

The page uses 9 published observations for Altzaga municipality, running from 2015 to 2023.

The displayed series for Altzaga municipality begins at 171 residents in 2015. This is the earliest point in the current imported series, not an estimate for an earlier period.

INE records 19.3% of residents aged 65 or over for Altzaga municipality, in period 2023.

The imported INE nationality series implies a non-Spanish resident share of 6.4% for Altzaga municipality, in period 2023.

The population figure uses INE period 2023. The page shows the period beside the value so it is not mistaken for a live counter.

Within the same displayed series for Altzaga municipality, the lowest population value is 170 residents in 2016.

Registradores reports a foreign-buyer share of 4.7% for País Vasco in 2026Q2. It is regional context, not a municipality estimate.

The displayed series for País Vasco begins at 3.8% in 2024Q3. This is the earliest point in the current imported series, not an estimate for an earlier period.

Within the 8 displayed observations for País Vasco, the highest regional foreign-buyer share value is 4.7% in 2026Q2.

Within the same displayed series for País Vasco, the lowest regional foreign-buyer share value is 3.5% in 2026Q1.

The current snapshot contains 3 recorded transactions for Altzaga municipality. The price sample may be smaller because not every transaction carries a publishable price measure.

Within the 8 displayed observations for Gipuzkoa province, the highest registered sale-price benchmark value is €3,970 per m² in 2026Q2.

The latest Registradores average is €318,187 in 2026Q2 for Gipuzkoa. It remains labelled as province evidence.

The displayed Registradores series for Gipuzkoa changed by 7.4% year on year at its latest point. This is a historical aggregate trend, not a forecast for Altzaga.

INE reports a house-price index of 109.3 for País Vasco in 2026Q2. An index is not a euro price per square metre.

The current eligible public inventory contains 0 listings for Altzaga. The count excludes sold, withdrawn, expired, rejected, draft, private, off-market and feed-private records.