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Population & demographics
All demographic data for Greggio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Greggio.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Greggio.
Greggio is a small municipality in the province of Vercelli, Piemonte region. With a population of 330 inhabitants and a density of 28 per km², it covers an area of 11.6 km². The average declared income is 20.273 €.
Greggio in numbers: the analysis
The ageing index is one of the starkest signals: in Greggio there are 294 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 278 inhabitants for Greggio: an expected decline of 15.8% from today.
Compared with the provincial average of Vercelli (about 2,026 residents per municipality), Greggio is a markedly smaller centre.
Among the 82 municipalities of the province of Vercelli, Greggio ranks 57 by population.
The census record tells a story of long decline: in 1951 Greggio had 681 inhabitants; today (2026) it has 330 — 51.5% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 347 |
| 2020 | 344 |
| 2021 | 340 |
| 2022 | 328 |
| 2023 | 319 |
| 2024 | 324 |
| 2025 | 321 |
| 2026 | 330 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 168 | 50.9% |
| Women | 162 | 49.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 4 |
| 2024 | 0 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 681 |
| 1961 | 630 |
| 1971 | 520 |
| 1981 | 446 |
| 1991 | 388 |
| 2001 | 375 |
| 2011 | 382 |
| 2019 | 347 |
| 2020 | 344 |
| 2021 | 340 |
| 2022 | 328 |
| 2023 | 319 |
| 2024 | 324 |
| 2025 | 321 |
| 2026 | 330 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 268 | 41.7% |
| Married | 302 | 47.0% |
| Divorced | 20 | 3.1% |
| Widowed | 52 | 8.1% |
School-Age Population (2026)
Total 0-18 years: 40
| Valore | |
|---|---|
| Nido (0-2) | 6 |
| Infanzia (3-5) | 4 |
| Primaria (6-10) | 12 |
| Medie (11-13) | 9 |
| Superiori (14-18) | 9 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Greggio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/greggio-002065" title="Population pyramid of Greggio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/greggio-002065" alt="Population pyramid of Greggio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>