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Population & demographics
All demographic data for Piea: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Piea.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Piea.
Piea is a small municipality in the province of Asti, Piemonte region. With a population of 489 inhabitants and a density of 55 per km², it covers an area of 8.8 km². The average declared income is 22.783 €.
Piea in numbers: the analysis
The census record tells a story of long decline: in 1951 Piea had 951 inhabitants; today (2026) it has 489 — 48.6% fewer.
The ageing index is one of the starkest signals: in Piea there are 635 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 293 inhabitants for Piea: an expected decline of 40.1% from today.
Compared with the provincial average of Asti (about 1,770 residents per municipality), Piea is a markedly smaller centre.
Among the 117 municipalities of the province of Asti, Piea ranks 75 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 568 |
| 2020 | 552 |
| 2021 | 541 |
| 2022 | 522 |
| 2023 | 510 |
| 2024 | 508 |
| 2025 | 499 |
| 2026 | 489 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 236 | 48.3% |
| Women | 253 | 51.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 9 |
| 2024 | 1 |
| 2025 | 4 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 951 |
| 1961 | 745 |
| 1971 | 592 |
| 1981 | 527 |
| 1991 | 505 |
| 2001 | 568 |
| 2011 | 612 |
| 2019 | 568 |
| 2020 | 552 |
| 2021 | 541 |
| 2022 | 522 |
| 2023 | 510 |
| 2024 | 508 |
| 2025 | 499 |
| 2026 | 489 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 346 | 34.7% |
| Married | 496 | 49.7% |
| Divorced | 60 | 6.0% |
| Widowed | 96 | 9.6% |
School-Age Population (2026)
Total 0-18 years: 43
| Valore | |
|---|---|
| Nido (0-2) | 11 |
| Infanzia (3-5) | 3 |
| Primaria (6-10) | 6 |
| Medie (11-13) | 4 |
| Superiori (14-18) | 19 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Piea population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/piea-005084" title="Population pyramid of Piea — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/piea-005084" alt="Population pyramid of Piea — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>