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Population & demographics
All demographic data for San Gregorio Magno: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Gregorio Magno.
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Air quality (PM2.5, PM10, NO2) and land consumption data for San Gregorio Magno.
San Gregorio Magno is a small municipality in the province of Salerno, Campania region. With a population of 3798 inhabitants and a density of 76 per km², it covers an area of 50.3 km². The average declared income is 15.203 €.
San Gregorio Magno in numbers: the analysis
Demographic projections to 2050 estimate about 2,723 inhabitants for San Gregorio Magno: an expected decline of 28.3% from today.
Compared with the provincial average of Salerno (about 6,666 residents per municipality), San Gregorio Magno is a markedly smaller centre.
Among the 158 municipalities of the province of Salerno, San Gregorio Magno ranks 54 by population.
The census record tells a story of long decline: in 1951 San Gregorio Magno had 5,186 inhabitants; today (2026) it has 3,798 — 26.8% fewer.
The ageing index is one of the starkest signals: in San Gregorio Magno there are 267 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 4185 |
| 2020 | 4107 |
| 2021 | 4004 |
| 2022 | 3990 |
| 2023 | 3958 |
| 2024 | 3892 |
| 2025 | 3868 |
| 2026 | 3798 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1837 | 48.4% |
| Women | 1961 | 51.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 27 |
| 2022 | 27 |
| 2023 | 9 |
| 2024 | 23 |
| 2025 | 17 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5186 |
| 1961 | 4798 |
| 1971 | 4624 |
| 1981 | 4702 |
| 1991 | 4650 |
| 2001 | 4616 |
| 2011 | 4417 |
| 2019 | 4185 |
| 2020 | 4107 |
| 2021 | 4004 |
| 2022 | 3990 |
| 2023 | 3958 |
| 2024 | 3892 |
| 2025 | 3868 |
| 2026 | 3798 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2872 | 37.1% |
| Married | 3938 | 50.9% |
| Divorced | 112 | 1.4% |
| Widowed | 814 | 10.5% |
School-Age Population (2026)
Total 0-18 years: 557
| Valore | |
|---|---|
| Nido (0-2) | 51 |
| Infanzia (3-5) | 81 |
| Primaria (6-10) | 147 |
| Medie (11-13) | 104 |
| Superiori (14-18) | 174 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Gregorio Magno population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-gregorio-magno-065120" title="Population pyramid of San Gregorio Magno — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-gregorio-magno-065120" alt="Population pyramid of San Gregorio Magno — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>