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Population & demographics
All demographic data for Castel Sant'Elia: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castel Sant'Elia.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castel Sant'Elia.
Castel Sant'Elia is a small municipality in the province of Viterbo, Lazio region. With a population of 2411 inhabitants and a density of 99 per km², it covers an area of 24.4 km². The average declared income is 19.459 €.
Castel Sant'Elia in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Castel Sant'Elia is 240 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 2,069 inhabitants for Castel Sant'Elia: an expected decline of 14.2% from today.
Compared with the provincial average of Viterbo (about 5,130 residents per municipality), Castel Sant'Elia is a markedly smaller centre.
Among the 60 municipalities of the province of Viterbo, Castel Sant'Elia ranks 32 by population.
Castel Sant'Elia has grown substantially since 1951: from 1,554 inhabitants then to 2,411 in 2026, an increase of 55.1%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 2521 |
| 2020 | 2498 |
| 2021 | 2477 |
| 2022 | 2471 |
| 2023 | 2454 |
| 2024 | 2411 |
| 2025 | 2431 |
| 2026 | 2411 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1184 | 49.1% |
| Women | 1227 | 50.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 13 |
| 2022 | 8 |
| 2023 | 12 |
| 2024 | 12 |
| 2025 | 7 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1554 |
| 1961 | 1589 |
| 1971 | 1513 |
| 1981 | 1738 |
| 1991 | 1935 |
| 2001 | 2151 |
| 2011 | 2558 |
| 2019 | 2521 |
| 2020 | 2498 |
| 2021 | 2477 |
| 2022 | 2471 |
| 2023 | 2454 |
| 2024 | 2411 |
| 2025 | 2431 |
| 2026 | 2411 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2120 | 43.6% |
| Married | 2208 | 45.4% |
| Divorced | 192 | 3.9% |
| Widowed | 342 | 7.0% |
School-Age Population (2026)
Total 0-18 years: 332
| Valore | |
|---|---|
| Nido (0-2) | 34 |
| Infanzia (3-5) | 37 |
| Primaria (6-10) | 79 |
| Medie (11-13) | 67 |
| Superiori (14-18) | 115 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castel Sant'Elia population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castel-sant-elia-056017" title="Population pyramid of Castel Sant'Elia — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castel-sant-elia-056017" alt="Population pyramid of Castel Sant'Elia — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>