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Population & demographics
All demographic data for Abbadia San Salvatore: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Abbadia San Salvatore.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Abbadia San Salvatore.
Abbadia San Salvatore is a medium-sized municipality in the province of Siena, Toscana region. With a population of 6117 inhabitants and a density of 103 per km², it covers an area of 59.1 km². The average declared income is 20.947 €.
Abbadia San Salvatore in numbers: the analysis
Among the 35 municipalities of the province of Siena, Abbadia San Salvatore ranks 15 by population.
Demographic projections to 2050 estimate about 5,599 inhabitants for Abbadia San Salvatore: an expected decline of 8.5% from today.
The ageing index is one of the starkest signals: in Abbadia San Salvatore there are 335 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Abbadia San Salvatore had 7,053 inhabitants; today (2026) it has 6,117 — 13.3% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 6277 |
| 2020 | 6239 |
| 2021 | 6121 |
| 2022 | 6023 |
| 2023 | 6005 |
| 2024 | 6128 |
| 2025 | 6105 |
| 2026 | 6117 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3111 | 50.9% |
| Women | 3006 | 49.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 34 |
| 2022 | 34 |
| 2023 | 32 |
| 2024 | 27 |
| 2025 | 28 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 7053 |
| 1961 | 8553 |
| 1971 | 8519 |
| 1981 | 7813 |
| 1991 | 7243 |
| 2001 | 6832 |
| 2011 | 6557 |
| 2019 | 6277 |
| 2020 | 6239 |
| 2021 | 6121 |
| 2022 | 6023 |
| 2023 | 6005 |
| 2024 | 6128 |
| 2025 | 6105 |
| 2026 | 6117 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 5118 | 41.9% |
| Married | 5322 | 43.6% |
| Divorced | 578 | 4.7% |
| Widowed | 1192 | 9.8% |
School-Age Population (2026)
Total 0-18 years: 763
| Valore | |
|---|---|
| Nido (0-2) | 93 |
| Infanzia (3-5) | 97 |
| Primaria (6-10) | 184 |
| Medie (11-13) | 132 |
| Superiori (14-18) | 257 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Abbadia San Salvatore population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/abbadia-san-salvatore-052001" title="Population pyramid of Abbadia San Salvatore — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/abbadia-san-salvatore-052001" alt="Population pyramid of Abbadia San Salvatore — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>