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Population & demographics
All demographic data for Castelguglielmo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castelguglielmo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Castelguglielmo.
Castelguglielmo is a small municipality in the province of Rovigo, Veneto region. With a population of 1510 inhabitants and a density of 67 per km², it covers an area of 22.6 km². The average declared income is 20.735 €.
Castelguglielmo in numbers: the analysis
Among the 50 municipalities of the province of Rovigo, Castelguglielmo ranks 35 by population.
The census record tells a story of long decline: in 1951 Castelguglielmo had 4,106 inhabitants; today (2026) it has 1,510 — 63.2% fewer.
The ageing index is one of the starkest signals: in Castelguglielmo there are 274 residents over 65 for every 100 under 14, well above the national average.
For 2050 the projections point to an essentially unchanged population: about 1,490 inhabitants.
Compared with the provincial average of Rovigo (about 4,544 residents per municipality), Castelguglielmo is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1516 |
| 2020 | 1522 |
| 2021 | 1521 |
| 2022 | 1514 |
| 2023 | 1533 |
| 2024 | 1543 |
| 2025 | 1519 |
| 2026 | 1510 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 795 | 52.6% |
| Women | 715 | 47.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 8 |
| 2024 | 3 |
| 2025 | 5 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4106 |
| 1961 | 2690 |
| 1971 | 2212 |
| 1981 | 2075 |
| 1991 | 1965 |
| 2001 | 1763 |
| 2011 | 1646 |
| 2019 | 1516 |
| 2020 | 1522 |
| 2021 | 1521 |
| 2022 | 1514 |
| 2023 | 1533 |
| 2024 | 1543 |
| 2025 | 1519 |
| 2026 | 1510 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1196 | 39.4% |
| Married | 1494 | 49.2% |
| Divorced | 72 | 2.4% |
| Widowed | 276 | 9.1% |
School-Age Population (2026)
Total 0-18 years: 239
| Valore | |
|---|---|
| Nido (0-2) | 20 |
| Infanzia (3-5) | 36 |
| Primaria (6-10) | 68 |
| Medie (11-13) | 44 |
| Superiori (14-18) | 71 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castelguglielmo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castelguglielmo-029011" title="Population pyramid of Castelguglielmo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castelguglielmo-029011" alt="Population pyramid of Castelguglielmo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>