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Population & demographics
All demographic data for San Sossio Baronia: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Sossio Baronia.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for San Sossio Baronia.
San Sossio Baronia is a small municipality in the province of Avellino, Campania region. With a population of 1462 inhabitants and a density of 77 per km², it covers an area of 19.1 km². The average declared income is 16.209 €.
San Sossio Baronia in numbers: the analysis
Compared with the provincial average of Avellino (about 3,331 residents per municipality), San Sossio Baronia is a markedly smaller centre.
Among the 118 municipalities of the province of Avellino, San Sossio Baronia ranks 75 by population.
The census record tells a story of long decline: in 1951 San Sossio Baronia had 2,766 inhabitants; today (2026) it has 1,462 — 47.1% fewer.
The ageing index is one of the starkest signals: in San Sossio Baronia there are 257 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 1,069 inhabitants for San Sossio Baronia: an expected decline of 26.9% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1602 |
| 2020 | 1570 |
| 2021 | 1529 |
| 2022 | 1523 |
| 2023 | 1494 |
| 2024 | 1481 |
| 2025 | 1470 |
| 2026 | 1462 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 714 | 48.8% |
| Women | 748 | 51.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 18 |
| 2024 | 7 |
| 2025 | 10 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2766 |
| 1961 | 2355 |
| 1971 | 2395 |
| 1981 | 2334 |
| 1991 | 2294 |
| 2001 | 1914 |
| 2011 | 1697 |
| 2019 | 1602 |
| 2020 | 1570 |
| 2021 | 1529 |
| 2022 | 1523 |
| 2023 | 1494 |
| 2024 | 1481 |
| 2025 | 1470 |
| 2026 | 1462 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1112 | 37.8% |
| Married | 1508 | 51.3% |
| Divorced | 18 | 0.6% |
| Widowed | 302 | 10.3% |
School-Age Population (2026)
Total 0-18 years: 208
| Valore | |
|---|---|
| Nido (0-2) | 34 |
| Infanzia (3-5) | 33 |
| Primaria (6-10) | 48 |
| Medie (11-13) | 33 |
| Superiori (14-18) | 60 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Sossio Baronia population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-sossio-baronia-064087" title="Population pyramid of San Sossio Baronia — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-sossio-baronia-064087" alt="Population pyramid of San Sossio Baronia — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>