4540-752 Postcode
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Postal code 4540-752 covers Ruival, Aveiro. A Portuguese postal code is four digits, a hyphen and three more. INE publishes census results by freguesia (parish), which is finer than the municipality, so the figures below describe the parish or municipality this code falls in rather than the code itself.
- Area
- Chave
- Residents
- 1,270
- Population density
- 116.4 /km²
- Completed at least secondary school
- 29.22%
- Municipality
- Arouca
Where 4540-752 is
Chave, Aveiro — the point recorded for this postal code. It marks the centre of the code, not its boundary.
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People
| Residents | 1,270 |
|---|---|
| Men | 610 |
| Women | 660 |
| Aged under 15 | 12.4% |
| Aged 65 and over | 26.3% |
| Ageing index | 211.39 |
| Population change, 2011 to 2021 | 1.36% |
| Population density | 116.4 /km² |
Work and education
| Economically active, of all residents | 47.24% |
|---|---|
| In work, of residents aged 15 and over | 52.07% |
| Completed at least secondary school | 29.22% |
| Illiteracy rate | 3.26% |
Where this code is
| Area | Chave |
|---|---|
| Municipality | Arouca |
| District | Aveiro |
Figures from INE's Censos 2021, joined by the official DICOFRE code the postal file carries. Where a postal code names a parish INE still recognises they describe that freguesia; Portugal merged its parishes in 2013, so for the rest they describe the concelho, and the table says which.
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