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Population & demographics
All demographic data for Volterra: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Volterra.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Volterra.
Volterra is a medium-sized municipality in the province of Pisa, Toscana region. With a population of 9362 inhabitants and a density of 37 per km², it covers an area of 254.0 km². The average declared income is 23.492 €.
Volterra in numbers: the analysis
Among the 37 municipalities of the province of Pisa, Volterra ranks 14 by population.
The census record tells a story of long decline: in 1951 Volterra had 17,840 inhabitants; today (2026) it has 9,362 — 47.5% fewer.
The ageing index is one of the starkest signals: in Volterra there are 390 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 7,049 inhabitants for Volterra: an expected decline of 24.7% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 10.170 |
| 2020 | 9982 |
| 2021 | 9830 |
| 2022 | 9696 |
| 2023 | 9559 |
| 2024 | 9470 |
| 2025 | 9409 |
| 2026 | 9362 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 4585 | 49.0% |
| Women | 4777 | 51.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 39 |
| 2022 | 49 |
| 2023 | 39 |
| 2024 | 47 |
| 2025 | 26 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 17.840 |
| 1961 | 17.938 |
| 1971 | 15.888 |
| 1981 | 14.110 |
| 1991 | 12.879 |
| 2001 | 11.264 |
| 2011 | 10.689 |
| 2019 | 10.170 |
| 2020 | 9982 |
| 2021 | 9830 |
| 2022 | 9696 |
| 2023 | 9559 |
| 2024 | 9470 |
| 2025 | 9409 |
| 2026 | 9362 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 7624 | 40.5% |
| Married | 8528 | 45.3% |
| Divorced | 838 | 4.5% |
| Widowed | 1828 | 9.7% |
School-Age Population (2026)
Total 0-18 years: 1103
| Valore | |
|---|---|
| Nido (0-2) | 114 |
| Infanzia (3-5) | 132 |
| Primaria (6-10) | 265 |
| Medie (11-13) | 187 |
| Superiori (14-18) | 405 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Volterra population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/volterra-050039" title="Population pyramid of Volterra — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/volterra-050039" alt="Population pyramid of Volterra — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>