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Population & demographics
All demographic data for San Donato Val di Comino: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Donato Val di Comino.
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Air quality (PM2.5, PM10, NO2) and land consumption data for San Donato Val di Comino.
San Donato Val di Comino is a small municipality in the province of Frosinone, Lazio region. With a population of 1852 inhabitants and a density of 49 per km², it covers an area of 37.5 km². The average declared income is 19.066 €.
San Donato Val di Comino in numbers: the analysis
Demographic projections to 2050 estimate about 1,470 inhabitants for San Donato Val di Comino: an expected decline of 20.6% from today.
Compared with the provincial average of Frosinone (about 5,058 residents per municipality), San Donato Val di Comino is a markedly smaller centre.
Among the 91 municipalities of the province of Frosinone, San Donato Val di Comino ranks 55 by population.
The census record tells a story of long decline: in 1951 San Donato Val di Comino had 4,255 inhabitants; today (2026) it has 1,852 — 56.5% fewer.
The ageing index is one of the starkest signals: in San Donato Val di Comino there are 309 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1981 |
| 2020 | 1964 |
| 2021 | 1886 |
| 2022 | 1897 |
| 2023 | 1885 |
| 2024 | 1860 |
| 2025 | 1859 |
| 2026 | 1852 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 884 | 47.7% |
| Women | 968 | 52.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 11 |
| 2022 | 11 |
| 2023 | 14 |
| 2024 | 13 |
| 2025 | 12 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4255 |
| 1961 | 3256 |
| 1971 | 2618 |
| 1981 | 2408 |
| 1991 | 2316 |
| 2001 | 2192 |
| 2011 | 2122 |
| 2019 | 1981 |
| 2020 | 1964 |
| 2021 | 1886 |
| 2022 | 1897 |
| 2023 | 1885 |
| 2024 | 1860 |
| 2025 | 1859 |
| 2026 | 1852 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1506 | 40.5% |
| Married | 1792 | 48.2% |
| Divorced | 104 | 2.8% |
| Widowed | 316 | 8.5% |
School-Age Population (2026)
Total 0-18 years: 247
| Valore | |
|---|---|
| Nido (0-2) | 36 |
| Infanzia (3-5) | 28 |
| Primaria (6-10) | 63 |
| Medie (11-13) | 34 |
| Superiori (14-18) | 86 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Donato Val di Comino population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-donato-val-di-comino-060062" title="Population pyramid of San Donato Val di Comino — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-donato-val-di-comino-060062" alt="Population pyramid of San Donato Val di Comino — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>