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Population & demographics
All demographic data for Costigliole d'Asti: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Costigliole d'Asti.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Costigliole d'Asti.
Costigliole d'Asti is a medium-sized municipality in the province of Asti, Piemonte region. With a population of 5664 inhabitants and a density of 155 per km², it covers an area of 36.5 km². The average declared income is 22.570 €.
Costigliole d'Asti in numbers: the analysis
Demographic projections to 2050 estimate about 5,347 inhabitants for Costigliole d'Asti: an expected decline of 5.6% from today.
The ageing index is one of the starkest signals: in Costigliole d'Asti there are 274 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Costigliole d'Asti had 6,507 inhabitants; today (2026) it has 5,664 — 13% fewer.
By population, Costigliole d'Asti ranks no. 5 among the 117 municipalities of the province of Asti.
The average municipality in the province of Asti has about 1,770 residents: Costigliole d'Asti has 3.2 times as many.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 5760 |
| 2020 | 5731 |
| 2021 | 5682 |
| 2022 | 5679 |
| 2023 | 5632 |
| 2024 | 5646 |
| 2025 | 5693 |
| 2026 | 5664 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2855 | 50.4% |
| Women | 2809 | 49.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 40 |
| 2022 | 33 |
| 2023 | 25 |
| 2024 | 32 |
| 2025 | 19 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 6507 |
| 1961 | 6114 |
| 1971 | 5670 |
| 1981 | 6008 |
| 1991 | 5940 |
| 2001 | 5882 |
| 2011 | 5969 |
| 2019 | 5760 |
| 2020 | 5731 |
| 2021 | 5682 |
| 2022 | 5679 |
| 2023 | 5632 |
| 2024 | 5646 |
| 2025 | 5693 |
| 2026 | 5664 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 4520 | 39.7% |
| Married | 5368 | 47.1% |
| Divorced | 542 | 4.8% |
| Widowed | 956 | 8.4% |
School-Age Population (2026)
Total 0-18 years: 787
| Valore | |
|---|---|
| Nido (0-2) | 79 |
| Infanzia (3-5) | 111 |
| Primaria (6-10) | 209 |
| Medie (11-13) | 146 |
| Superiori (14-18) | 242 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Costigliole d'Asti population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/costigliole-d-asti-005050" title="Population pyramid of Costigliole d'Asti — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/costigliole-d-asti-005050" alt="Population pyramid of Costigliole d'Asti — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>