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Population & demographics
All demographic data for San Nicola Baronia: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Nicola Baronia.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for San Nicola Baronia.
San Nicola Baronia is a small municipality in the province of Avellino, Campania region. With a population of 737 inhabitants and a density of 109 per km², it covers an area of 6.8 km². The average declared income is 19.237 €.
San Nicola Baronia in numbers: the analysis
The census record tells a story of long decline: in 1951 San Nicola Baronia had 1,242 inhabitants; today (2026) it has 737 — 40.7% fewer.
The generational balance is in line with the norm: the ageing index of San Nicola Baronia is 191 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 649 inhabitants for San Nicola Baronia: an expected decline of 11.9% from today.
Compared with the provincial average of Avellino (about 3,331 residents per municipality), San Nicola Baronia is a markedly smaller centre.
Among the 118 municipalities of the province of Avellino, San Nicola Baronia ranks 105 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 765 |
| 2020 | 761 |
| 2021 | 761 |
| 2022 | 757 |
| 2023 | 758 |
| 2024 | 768 |
| 2025 | 750 |
| 2026 | 737 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 361 | 49.0% |
| Women | 376 | 51.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 5 |
| 2022 | 13 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1242 |
| 1961 | 1189 |
| 1971 | 1053 |
| 1981 | 993 |
| 1991 | 952 |
| 2001 | 859 |
| 2011 | 784 |
| 2019 | 765 |
| 2020 | 761 |
| 2021 | 761 |
| 2022 | 757 |
| 2023 | 758 |
| 2024 | 768 |
| 2025 | 750 |
| 2026 | 737 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 618 | 41.2% |
| Married | 746 | 49.7% |
| Divorced | 8 | 0.5% |
| Widowed | 128 | 8.5% |
School-Age Population (2026)
Total 0-18 years: 118
| Valore | |
|---|---|
| Nido (0-2) | 13 |
| Infanzia (3-5) | 29 |
| Primaria (6-10) | 34 |
| Medie (11-13) | 17 |
| Superiori (14-18) | 25 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Nicola Baronia population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-nicola-baronia-064085" title="Population pyramid of San Nicola Baronia — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-nicola-baronia-064085" alt="Population pyramid of San Nicola Baronia — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>