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Population & demographics
All demographic data for Corchiano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Corchiano.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Corchiano.
Corchiano is a small municipality in the province of Viterbo, Lazio region. With a population of 3531 inhabitants and a density of 105 per km², it covers an area of 33.6 km². The average declared income is 18.851 €.
Corchiano in numbers: the analysis
Corchiano has grown substantially since 1951: from 2,304 inhabitants then to 3,531 in 2026, an increase of 53.3%.
The generational balance is in line with the norm: the ageing index of Corchiano is 216 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 3,209 inhabitants for Corchiano: an expected decline of 9.1% from today.
Among the 60 municipalities of the province of Viterbo, Corchiano ranks 25 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 3631 |
| 2020 | 3582 |
| 2021 | 3574 |
| 2022 | 3594 |
| 2023 | 3587 |
| 2024 | 3550 |
| 2025 | 3526 |
| 2026 | 3531 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1785 | 50.6% |
| Women | 1746 | 49.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 23 |
| 2022 | 28 |
| 2023 | 27 |
| 2024 | 25 |
| 2025 | 22 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2304 |
| 1961 | 2170 |
| 1971 | 2156 |
| 1981 | 2679 |
| 1991 | 3067 |
| 2001 | 3337 |
| 2011 | 3740 |
| 2019 | 3631 |
| 2020 | 3582 |
| 2021 | 3574 |
| 2022 | 3594 |
| 2023 | 3587 |
| 2024 | 3550 |
| 2025 | 3526 |
| 2026 | 3531 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2936 | 41.6% |
| Married | 3284 | 46.6% |
| Divorced | 264 | 3.7% |
| Widowed | 568 | 8.1% |
School-Age Population (2026)
Total 0-18 years: 543
| Valore | |
|---|---|
| Nido (0-2) | 74 |
| Infanzia (3-5) | 76 |
| Primaria (6-10) | 135 |
| Medie (11-13) | 91 |
| Superiori (14-18) | 167 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Corchiano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/corchiano-056023" title="Population pyramid of Corchiano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/corchiano-056023" alt="Population pyramid of Corchiano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>