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Population & demographics
All demographic data for Sant'Ambrogio sul Garigliano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Sant'Ambrogio sul Garigliano.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Sant'Ambrogio sul Garigliano.
Sant'Ambrogio sul Garigliano is a small municipality in the province of Frosinone, Lazio region. With a population of 865 inhabitants and a density of 94 per km², it covers an area of 9.3 km². The average declared income is 19.631 €.
Sant'Ambrogio sul Garigliano in numbers: the analysis
Among the 91 municipalities of the province of Frosinone, Sant'Ambrogio sul Garigliano ranks 77 by population.
The census record tells a story of long decline: in 1951 Sant'Ambrogio sul Garigliano had 1,311 inhabitants; today (2026) it has 865 — 34% fewer.
The ageing index is one of the starkest signals: in Sant'Ambrogio sul Garigliano there are 331 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 618 inhabitants for Sant'Ambrogio sul Garigliano: an expected decline of 28.6% from today.
Compared with the provincial average of Frosinone (about 5,058 residents per municipality), Sant'Ambrogio sul Garigliano is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 954 |
| 2020 | 921 |
| 2021 | 906 |
| 2022 | 879 |
| 2023 | 874 |
| 2024 | 872 |
| 2025 | 865 |
| 2026 | 865 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 442 | 51.1% |
| Women | 423 | 48.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 3 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1311 |
| 1961 | 1160 |
| 1971 | 981 |
| 1981 | 1031 |
| 1991 | 1025 |
| 2001 | 984 |
| 2011 | 994 |
| 2019 | 954 |
| 2020 | 921 |
| 2021 | 906 |
| 2022 | 879 |
| 2023 | 874 |
| 2024 | 872 |
| 2025 | 865 |
| 2026 | 865 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 636 | 36.8% |
| Married | 886 | 51.2% |
| Divorced | 52 | 3.0% |
| Widowed | 156 | 9.0% |
School-Age Population (2026)
Total 0-18 years: 110
| Valore | |
|---|---|
| Nido (0-2) | 13 |
| Infanzia (3-5) | 15 |
| Primaria (6-10) | 27 |
| Medie (11-13) | 22 |
| Superiori (14-18) | 33 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Sant'Ambrogio sul Garigliano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/sant-ambrogio-sul-garigliano-060065" title="Population pyramid of Sant'Ambrogio sul Garigliano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/sant-ambrogio-sul-garigliano-060065" alt="Population pyramid of Sant'Ambrogio sul Garigliano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>