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30 LOCAL FACTUAL ANSWERS · OFFICIAL EVIDENCE · CURRENT INVENTORY

Oña, Burgos property and area FAQs

Oña is a municipality and town located in the province of Burgos, Castile and León, Spain. The official INE register places Oña in Burgos province under municipality code 09238. The linked structured record provides a recorded municipal area of 143 square kilometres and a reference coordinate of 42.7343, -3.4118. The coordinate is a municipal reference point, not a property, parcel boundary or radius from which local claims are inferred.

Place and geography

What does the local overview record about Oña?

Oña is a municipality and town located in the province of Burgos, Castile and León, Spain.

What does the official settlement record show for Oña?

Oña’s current IGN settlement record contains 15 official population nuclei. The imported source records are dated through 2025-10-21. The entry explicitly marked as the municipal capital is Oña, at a recorded elevation of approximately 584 metres. Nomenclátor entries describe settlement geography; they are not listing totals, neighbourhood boundaries or evidence of homes currently available for sale.

What is the recorded municipal area for Oña?

The linked structured municipality record gives an area of 143.0 square kilometres for Oña municipality. This is municipal geography, not a property-search radius.

What elevation is recorded for Oña?

The sourced municipality record gives a reference elevation of approximately 598 metres. Elevation can vary within the municipality and is not a property-specific measurement.

How many official population nuclei are recorded for Oña?

The current IGN Nomenclátor extract records 15 official population nuclei for Oña municipality. These are settlement records, not property listings.

What population density follows from the published figures for Oña?

Dividing the INE population of 763 by the recorded municipal area of 143.0 km² gives approximately 5.3 residents per km² for Oña municipality. This is a transparent calculation from the two cited values.

Is Oña an official municipality or a property-search area?

Oña 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.

What reference coordinate is recorded for Oña?

The linked structured record gives a municipal reference coordinate of 42.7343, -3.4118. It is not a listing coordinate, parcel boundary or search radius.

People and households

What is the latest official population shown for Oña?

The latest imported INE population for Oña municipality is 763, for period 2023.

How has the recorded population changed in Oña?

Across the first and latest points in the displayed INE series for Oña municipality, recorded population changed by -13.9%. This describes the published series, not a forecast.

What net income per person is recorded for Oña?

The latest imported INE household-income atlas value for Oña municipality is €16,260 net income per person, for period 2023.

What is the recorded average age in Oña?

INE records an average age of 55.7 years for Oña municipality, for period 2023.

What is the average household size in Oña?

The latest imported INE figure is 1.90 people per household for Oña municipality, for period 2023.

What share of residents in Oña is recorded as non-Spanish?

The imported INE nationality series implies a non-Spanish resident share of 2.7% for Oña municipality, in period 2023.

What share of residents in Oña is aged 65 or over?

INE records 38.0% of residents aged 65 or over for Oña municipality, in period 2023.

Property market evidence

What is the latest official sold-price snapshot for Oña?

The current Consejo General del Notariado snapshot for Oña municipality records €393 per square metre. It is completed-sale evidence, not an asking-price figure.

What foreign-buyer share is shown for the wider Oña market?

Registradores reports a foreign-buyer share of 5.8% for Castilla y León in 2026Q2. It is regional context, not a municipality estimate.

Where does the published regional foreign-buyer share series for Oña begin?

The displayed series for Castilla y León begins at 3.6% in 2024Q3. This is the earliest point in the current imported series, not an estimate for an earlier period.

When does the current regional foreign-buyer share series for Oña reach its maximum?

Within the 8 displayed observations for Castilla y León, the highest regional foreign-buyer share value is 5.8% in 2026Q2.

What is the earliest displayed Oña regional house-price index observation?

The displayed series for Castilla y León begins at 88.9 index points in 2024Q3. This is the earliest point in the current imported series, not an estimate for an earlier period.

What share of recent transactions is resale housing in Oña?

Across the latest four displayed MITMA quarters, resale housing represents 100.0% of transactions for Oña municipality.

What is the lowest displayed regional foreign-buyer share point relevant to Oña?

Within the same displayed series for Castilla y León, the lowest regional foreign-buyer share value is 3.6% in 2024Q3.

Housing stock and registrations

How many cadastral buildings are recorded for Oña?

Dirección General del Catastro records 2,013 buildings for Oña municipality in the current imported extract. This is physical stock, not homes for sale.

How many dwellings are recorded for Oña?

The current Catastro building extract records 1,420 dwellings for Oña municipality. It should not be read as current sale inventory.

What is the average recorded build year in Oña?

Across buildings with a recorded construction year, the Catastro extract gives an average year of 1,934 for Oña municipality. Missing construction years are not imputed.

How many energy certificates are recorded for Oña?

The current official administrative extract contains 101 energy certificates for Oña municipality. Certificate count is registered coverage, not the total number of homes.

How much of the recorded Oña building stock falls in the 1950–1969 band?

The 1950–1969 band contains 229 recorded buildings for Oña municipality, representing 11.4% of the buildings included in the displayed age distribution.

What share of cadastral buildings in Oña is labelled Before 1950?

The Before 1950 band contains 1,161 recorded buildings for Oña municipality, representing 57.8% of the buildings included in the displayed age distribution.

What share of recorded energy certificates in Oña is rated A to C?

Among the imported certificates for Oña municipality, 8.9% are rated A, B or C. The share applies only to registered certificates in the dataset.

Current property inventory

How many properties are currently listed in Oña on NLS?

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

How to read these answers

Current listings and asking prices can change. Institutional figures update on their own publication cycles and may use municipality, province or autonomous-community scope. Compare unlike measures only after checking their stated geography and period. This page is market context, not a valuation, forecast, legal opinion or investment recommendation.