San Leonardo: 1021 inhabitants (2026)
ISTAT Code: 030102
46.1217°N, 13.5245°E
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Population & demographics
All demographic data for San Leonardo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Leonardo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for San Leonardo.
San Leonardo is a small municipality in the province of Udine, Friuli-Venezia Giulia region. With a population of 1021 inhabitants and a density of 38 per km², it covers an area of 26.9 km². The average declared income is 21.259 €.
San Leonardo in numbers: the analysis
Compared with the provincial average of Udine (about 3,849 residents per municipality), San Leonardo is a markedly smaller centre.
Demographic projections to 2050 estimate about 834 inhabitants for San Leonardo: an expected decline of 18.3% from today.
The ageing index is one of the starkest signals: in San Leonardo there are 406 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 San Leonardo had 2,283 inhabitants; today (2026) it has 1,021 — 55.3% fewer.
Among the 134 municipalities of the province of Udine, San Leonardo ranks 98 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1083 |
| 2020 | 1067 |
| 2021 | 1047 |
| 2022 | 1045 |
| 2023 | 1028 |
| 2024 | 1019 |
| 2025 | 1025 |
| 2026 | 1021 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 534 | 52.3% |
| Women | 487 | 47.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 7 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2283 |
| 1961 | 2077 |
| 1971 | 1375 |
| 1981 | 1236 |
| 1991 | 1128 |
| 2001 | 1169 |
| 2011 | 1161 |
| 2019 | 1083 |
| 2020 | 1067 |
| 2021 | 1047 |
| 2022 | 1045 |
| 2023 | 1028 |
| 2024 | 1019 |
| 2025 | 1025 |
| 2026 | 1021 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 870 | 42.4% |
| Married | 866 | 42.2% |
| Divorced | 120 | 5.9% |
| Widowed | 194 | 9.5% |
School-Age Population (2026)
Total 0-18 years: 118
| Valore | |
|---|---|
| Nido (0-2) | 14 |
| Infanzia (3-5) | 10 |
| Primaria (6-10) | 29 |
| Medie (11-13) | 19 |
| Superiori (14-18) | 46 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Leonardo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-leonardo-030102" title="Population pyramid of San Leonardo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-leonardo-030102" alt="Population pyramid of San Leonardo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>