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Population & demographics
All demographic data for Cortanze: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Cortanze.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Cortanze.
Cortanze is a small municipality in the province of Asti, Piemonte region. With a population of 262 inhabitants and a density of 58 per km², it covers an area of 4.5 km². The average declared income is 21.894 €.
Cortanze in numbers: the analysis
The census record tells a story of long decline: in 1951 Cortanze had 574 inhabitants; today (2026) it has 262 — 54.4% fewer.
The generational balance is in line with the norm: the ageing index of Cortanze is 228 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 206 inhabitants for Cortanze: an expected decline of 21.4% from today.
Compared with the provincial average of Asti (about 1,770 residents per municipality), Cortanze is a markedly smaller centre.
Among the 117 municipalities of the province of Asti, Cortanze ranks 102 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 281 |
| 2020 | 274 |
| 2021 | 273 |
| 2022 | 265 |
| 2023 | 260 |
| 2024 | 256 |
| 2025 | 256 |
| 2026 | 262 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 132 | 50.4% |
| Women | 130 | 49.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 3 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 574 |
| 1961 | 480 |
| 1971 | 366 |
| 1981 | 303 |
| 1991 | 295 |
| 2001 | 289 |
| 2011 | 288 |
| 2019 | 281 |
| 2020 | 274 |
| 2021 | 273 |
| 2022 | 265 |
| 2023 | 260 |
| 2024 | 256 |
| 2025 | 256 |
| 2026 | 262 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 218 | 42.6% |
| Married | 212 | 41.4% |
| Divorced | 32 | 6.3% |
| Widowed | 50 | 9.8% |
School-Age Population (2026)
Total 0-18 years: 44
| Valore | |
|---|---|
| Nido (0-2) | 5 |
| Infanzia (3-5) | 5 |
| Primaria (6-10) | 12 |
| Medie (11-13) | 5 |
| Superiori (14-18) | 17 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Cortanze population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/cortanze-005046" title="Population pyramid of Cortanze — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/cortanze-005046" alt="Population pyramid of Cortanze — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>