Foreign residents in Castel d'Aiano
Castel d'Aiano, in the province of Bologna, is home to 2 Austrians — 0.10% of its 1,922 residents. That is the 169th-highest concentration of Austrians of any of the 5,872 Italian comuni with at least 1,000 residents, and 2nd within Emilia-Romagna.
Across the nationalities we track, Castel d'Aiano counts 14 foreign residents in total, 0.73% of the population. The largest groups are Austrians (2), Belgians (2), Germans (2).
Over the period 2019–2025, the number of Austrians in Castel d'Aiano has risen, from 1 to 2 (+100%).
Separately, ISTAT's census data shows 12.5% of Castel d'Aiano's population was born outside Italy — 8.1% outside the EU and 4.4% elsewhere in the EU. ISTAT does not publish this broken down by specific country at comune level, so it isn't directly comparable to the per-nationality citizenship figures above.
Population over time
By nationality
| Nationality | Citizens | Share |
|---|---|---|
| Austria | 2 | 0.10% |
| Belgium | 2 | 0.10% |
| Germany | 2 | 0.10% |
| Spain | 1 | 0.05% |
| France | 1 | 0.05% |
| United Kingdom | 1 | 0.05% |
| Ireland | 1 | 0.05% |
| Mexico | 1 | 0.05% |
| Russia | 1 | 0.05% |
| Sweden | 1 | 0.05% |
| United States | 1 | 0.05% |
| Argentina | 0 | 0.00% |
| Australia | 0 | 0.00% |
| Brazil | 0 | 0.00% |
| Canada | 0 | 0.00% |
| Switzerland | 0 | 0.00% |
| Denmark | 0 | 0.00% |
| Finland | 0 | 0.00% |
| Greece | 0 | 0.00% |
| Japan | 0 | 0.00% |
| South Korea | 0 | 0.00% |
| Netherlands | 0 | 0.00% |
| Norway | 0 | 0.00% |
| Portugal | 0 | 0.00% |
| Venezuela | 0 | 0.00% |
Country of birth
| Group | Residents | Share |
|---|---|---|
| Born in Italy | 1,681 | 87.46% |
| Born elsewhere in the EU | 85 | 4.42% |
| Born outside the EU | 156 | 8.12% |
Austrians over time
Quality of life in Bologna
Full BES profile for Bologna →Bologna on cost vs quality of life (province-level) →
Property prices
Buying in Castel d'Aiano is far below the Bologna average of €2,143/m². Averaged across 2 OMI micro-zones, which can differ substantially within the same town.
20.5 years of rent here equal the purchase price, close to the national median of 22.2 years.
A ratio between two OMI prices, not a return on investment. It leaves out purchase taxes, IMU, maintenance, financing and the months a place sits empty — all of which push the real figure up. Useful for the question it does answer: whether this town looks expensive to buy relative to what renting in it costs.
A detached house here averages €700/m², against €700 for an apartment.
Compared street for street — houses and flats priced in the same neighbourhood — the two cost about the same per square metre.
OMI prices “Ville e Villini” separately from the apartments every other figure on this page describes. Nationally a house costs about 14% more per square metre, but in 450 comuni it costs less — worth checking rather than assuming.