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Population & demographics
All demographic data for Pienza: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Pienza.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Pienza.
Pienza is a small municipality in the province of Siena, Toscana region. With a population of 1900 inhabitants and a density of 15 per km², it covers an area of 122.7 km². The average declared income is 25.313 €.
Pienza in numbers: the analysis
The ageing index is one of the starkest signals: in Pienza there are 368 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Pienza had 4,770 inhabitants; today (2026) it has 1,900 — 60.2% fewer.
Among the 35 municipalities of the province of Siena, Pienza ranks 28 by population.
Compared with the provincial average of Siena (about 7,414 residents per municipality), Pienza is a markedly smaller centre.
Demographic projections to 2050 estimate about 1,402 inhabitants for Pienza: an expected decline of 26.2% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 2076 |
| 2020 | 2056 |
| 2021 | 2022 |
| 2022 | 2007 |
| 2023 | 1983 |
| 2024 | 1966 |
| 2025 | 1928 |
| 2026 | 1900 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 903 | 47.5% |
| Women | 997 | 52.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 11 |
| 2022 | 14 |
| 2023 | 12 |
| 2024 | 4 |
| 2025 | 5 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4770 |
| 1961 | 3960 |
| 1971 | 2987 |
| 1981 | 2473 |
| 1991 | 2330 |
| 2001 | 2233 |
| 2011 | 2141 |
| 2019 | 2076 |
| 2020 | 2056 |
| 2021 | 2022 |
| 2022 | 2007 |
| 2023 | 1983 |
| 2024 | 1966 |
| 2025 | 1928 |
| 2026 | 1900 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1534 | 39.8% |
| Married | 1792 | 46.5% |
| Divorced | 128 | 3.3% |
| Widowed | 402 | 10.4% |
School-Age Population (2026)
Total 0-18 years: 233
| Valore | |
|---|---|
| Nido (0-2) | 20 |
| Infanzia (3-5) | 34 |
| Primaria (6-10) | 58 |
| Medie (11-13) | 38 |
| Superiori (14-18) | 83 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Pienza population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/pienza-052021" title="Population pyramid of Pienza — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/pienza-052021" alt="Population pyramid of Pienza — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>