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Population & demographics
All demographic data for Diano Arentino: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Diano Arentino.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Diano Arentino.
Diano Arentino is a small municipality in the province of Imperia, Liguria region. With a population of 669 inhabitants and a density of 82 per km², it covers an area of 8.1 km². The average declared income is 21.966 €.
Diano Arentino in numbers: the analysis
The ageing index is one of the starkest signals: in Diano Arentino there are 291 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 620 inhabitants for Diano Arentino: an expected decline of 7.3% from today.
Compared with the provincial average of Imperia (about 3,180 residents per municipality), Diano Arentino is a markedly smaller centre.
Among the 66 municipalities of the province of Imperia, Diano Arentino ranks 35 by population.
Diano Arentino has grown substantially since 1951: from 519 inhabitants then to 669 in 2026, an increase of 28.9%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 684 |
| 2020 | 672 |
| 2021 | 689 |
| 2022 | 685 |
| 2023 | 701 |
| 2024 | 693 |
| 2025 | 695 |
| 2026 | 669 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 334 | 49.9% |
| Women | 335 | 50.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 4 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 519 |
| 1961 | 468 |
| 1971 | 402 |
| 1981 | 400 |
| 1991 | 518 |
| 2001 | 606 |
| 2011 | 678 |
| 2019 | 684 |
| 2020 | 672 |
| 2021 | 689 |
| 2022 | 685 |
| 2023 | 701 |
| 2024 | 693 |
| 2025 | 695 |
| 2026 | 669 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 600 | 43.2% |
| Married | 642 | 46.2% |
| Divorced | 52 | 3.7% |
| Widowed | 96 | 6.9% |
School-Age Population (2026)
Total 0-18 years: 97
| Valore | |
|---|---|
| Nido (0-2) | 13 |
| Infanzia (3-5) | 13 |
| Primaria (6-10) | 23 |
| Medie (11-13) | 14 |
| Superiori (14-18) | 34 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Diano Arentino population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/diano-arentino-008025" title="Population pyramid of Diano Arentino — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/diano-arentino-008025" alt="Population pyramid of Diano Arentino — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>