Castel del Rio

215 m elevation · Pop. 934

Emilia-Romagna

Bologna

Not the Castel del Rio you were looking for? See also: Castel d'Ario (Mantova, Lombardia)

Castel del Rio is a comune in the provincia of Bologna, Emilia-Romagna with a population of 1,214 as of 2025.

Contact

To request vital records from the anagrafe (records office), write to the PEC address or email below. Include the full name, approximate date, and record type in Italian.

Address

Via Montanara, 1
40022 Castel del Rio

Map

Località

Each Italian comune is divided into località (localities), which include centri abitati (populated centers) and nuclei abitati (smaller settlements).

Centri abitati

AltitudePopulation
  • Castel del Rio215m719
  • Valsalva295m58
  • Belvedere463m57
  • Giugnola511m23
  • Moraduccio280m12

Nuclei abitati

AltitudePopulation
  • Cà di Facchino482m26
  • San Miniato238m26
  • Tomba386m13

Population and Migration

This chart shows annual resident population and international migration (2001 to present). Not all data is available for every period, so gaps are normal.

The population has declined 57% since 1951. Since 2001, net international immigration has added the equivalent of 14% of the current population.

Cittadinanza per discendenza

Could a line from Castel del Rio qualify for Italian citizenship?

If your ancestor was born in Castel del Rio, Italy may recognize you as a citizen under jure sanguinis (citizenship by descent).

The birthplace alone does not decide it. Each generation between that ancestor and you does: who naturalized, and when. Since the 2025 law, the number of generations matters too.

The checker goes back through your line one generation at a time. It is not legal advice, and it does not search for records.

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Notable People

People born in Castel del Rio.

  • Angelina Giovanninib. 1923
  • Maria Zanottib. 1891
  • Francesco AlidosiENITb. 1455

Other comuni in Bologna

Browse all comuni in Bologna