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Population & demographics
All demographic data for San Martino Valle Caudina: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Martino Valle Caudina.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for San Martino Valle Caudina.
San Martino Valle Caudina is a small municipality in the province of Avellino, Campania region. With a population of 4733 inhabitants and a density of 209 per km², it covers an area of 22.6 km². The average declared income is 19.561 €.
San Martino Valle Caudina in numbers: the analysis
Among the 118 municipalities of the province of Avellino, San Martino Valle Caudina ranks 18 by population.
The census record tells a story of long decline: in 1951 San Martino Valle Caudina had 7,656 inhabitants; today (2026) it has 4,733 — 38.2% fewer.
The generational balance is in line with the norm: the ageing index of San Martino Valle Caudina is 194 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 4,491 inhabitants for San Martino Valle Caudina: an expected decline of 5.1% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 4806 |
| 2020 | 4820 |
| 2021 | 4753 |
| 2022 | 4805 |
| 2023 | 4775 |
| 2024 | 4796 |
| 2025 | 4761 |
| 2026 | 4733 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2359 | 49.8% |
| Women | 2374 | 50.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 30 |
| 2022 | 32 |
| 2023 | 43 |
| 2024 | 31 |
| 2025 | 45 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 7656 |
| 1961 | 6352 |
| 1971 | 4733 |
| 1981 | 4766 |
| 1991 | 4678 |
| 2001 | 4704 |
| 2011 | 4745 |
| 2019 | 4806 |
| 2020 | 4820 |
| 2021 | 4753 |
| 2022 | 4805 |
| 2023 | 4775 |
| 2024 | 4796 |
| 2025 | 4761 |
| 2026 | 4733 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 4060 | 42.6% |
| Married | 4482 | 47.1% |
| Divorced | 210 | 2.2% |
| Widowed | 770 | 8.1% |
School-Age Population (2026)
Total 0-18 years: 762
| Valore | |
|---|---|
| Nido (0-2) | 120 |
| Infanzia (3-5) | 107 |
| Primaria (6-10) | 185 |
| Medie (11-13) | 126 |
| Superiori (14-18) | 224 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Martino Valle Caudina population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-martino-valle-caudina-064083" title="Population pyramid of San Martino Valle Caudina — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-martino-valle-caudina-064083" alt="Population pyramid of San Martino Valle Caudina — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>