San Leo: 2877 inhabitants (2026)
ISTAT Code: 099025
43.8962°N, 12.3433°E
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Population & demographics
All demographic data for San Leo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Leo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for San Leo.
San Leo is a small municipality in the province of Rimini, Emilia-Romagna region. With a population of 2877 inhabitants and a density of 54 per km², it covers an area of 52.9 km². The average declared income is 19.719 €.
San Leo in numbers: the analysis
The census record tells a story of long decline: in 1951 San Leo had 4,996 inhabitants; today (2026) it has 2,877 — 42.4% fewer.
The generational balance is in line with the norm: the ageing index of San Leo is 219 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 2,853 inhabitants.
Compared with the provincial average of Rimini (about 12,639 residents per municipality), San Leo is a markedly smaller centre.
Among the 27 municipalities of the province of Rimini, San Leo ranks 16 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 2884 |
| 2020 | 2858 |
| 2021 | 2860 |
| 2022 | 2818 |
| 2023 | 2825 |
| 2024 | 2815 |
| 2025 | 2844 |
| 2026 | 2877 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1486 | 51.7% |
| Women | 1391 | 48.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 22 |
| 2022 | 14 |
| 2023 | 19 |
| 2024 | 7 |
| 2025 | 9 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4996 |
| 1961 | 3572 |
| 1971 | 2739 |
| 1981 | 2631 |
| 1991 | 2516 |
| 2001 | 2720 |
| 2011 | 2970 |
| 2019 | 2884 |
| 2020 | 2858 |
| 2021 | 2860 |
| 2022 | 2818 |
| 2023 | 2825 |
| 2024 | 2815 |
| 2025 | 2844 |
| 2026 | 2877 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2506 | 44.1% |
| Married | 2586 | 45.5% |
| Divorced | 220 | 3.9% |
| Widowed | 376 | 6.6% |
School-Age Population (2026)
Total 0-18 years: 465
| Valore | |
|---|---|
| Nido (0-2) | 34 |
| Infanzia (3-5) | 52 |
| Primaria (6-10) | 119 |
| Medie (11-13) | 88 |
| Superiori (14-18) | 172 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Leo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-leo-099025" title="Population pyramid of San Leo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-leo-099025" alt="Population pyramid of San Leo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>