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Population & demographics
All demographic data for Cosio d'Arroscia: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Cosio d'Arroscia.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Cosio d'Arroscia.
Cosio d'Arroscia is a small municipality in the province of Imperia, Liguria region. With a population of 168 inhabitants and a density of 4 per km², it covers an area of 40.7 km². The average declared income is 20.363 €.
Cosio d'Arroscia in numbers: the analysis
Compared with the provincial average of Imperia (about 3,180 residents per municipality), Cosio d'Arroscia is a markedly smaller centre.
Among the 66 municipalities of the province of Imperia, Cosio d'Arroscia ranks 62 by population.
The census record tells a story of long decline: in 1951 Cosio d'Arroscia had 848 inhabitants; today (2026) it has 168 — 80.2% fewer.
The ageing index is one of the starkest signals: in Cosio d'Arroscia there are 700 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 103 inhabitants for Cosio d'Arroscia: an expected decline of 38.7% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 194 |
| 2020 | 187 |
| 2021 | 179 |
| 2022 | 175 |
| 2023 | 171 |
| 2024 | 173 |
| 2025 | 170 |
| 2026 | 168 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 78 | 46.4% |
| Women | 90 | 53.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 0 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 848 |
| 1961 | 733 |
| 1971 | 603 |
| 1981 | 490 |
| 1991 | 359 |
| 2001 | 280 |
| 2011 | 248 |
| 2019 | 194 |
| 2020 | 187 |
| 2021 | 179 |
| 2022 | 175 |
| 2023 | 171 |
| 2024 | 173 |
| 2025 | 170 |
| 2026 | 168 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 136 | 40.0% |
| Married | 132 | 38.8% |
| Divorced | 20 | 5.9% |
| Widowed | 52 | 15.3% |
School-Age Population (2026)
Total 0-18 years: 14
| Valore | |
|---|---|
| Nido (0-2) | 3 |
| Infanzia (3-5) | 4 |
| Primaria (6-10) | 2 |
| Medie (11-13) | 1 |
| Superiori (14-18) | 4 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Cosio d'Arroscia population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/cosio-d-arroscia-008023" title="Population pyramid of Cosio d'Arroscia — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/cosio-d-arroscia-008023" alt="Population pyramid of Cosio d'Arroscia — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>