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Population & demographics
All demographic data for San Giorgio a Liri: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for San Giorgio a Liri.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for San Giorgio a Liri.
San Giorgio a Liri is a small municipality in the province of Frosinone, Lazio region. With a population of 2927 inhabitants and a density of 189 per km², it covers an area of 15.5 km². The average declared income is 19.761 €.
San Giorgio a Liri in numbers: the analysis
The generational balance is in line with the norm: the ageing index of San Giorgio a Liri is 205 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 2,370 inhabitants for San Giorgio a Liri: an expected decline of 19% from today.
Compared with the provincial average of Frosinone (about 5,058 residents per municipality), San Giorgio a Liri is a markedly smaller centre.
Among the 91 municipalities of the province of Frosinone, San Giorgio a Liri ranks 38 by population.
San Giorgio a Liri has grown substantially since 1951: from 2,780 inhabitants then to 2,927 in 2026, an increase of 5.3%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 3113 |
| 2020 | 3057 |
| 2021 | 3005 |
| 2022 | 3043 |
| 2023 | 3012 |
| 2024 | 2959 |
| 2025 | 2944 |
| 2026 | 2927 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1439 | 49.2% |
| Women | 1488 | 50.8% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 25 |
| 2022 | 15 |
| 2023 | 14 |
| 2024 | 20 |
| 2025 | 18 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2780 |
| 1961 | 2579 |
| 1971 | 2471 |
| 1981 | 2888 |
| 1991 | 3092 |
| 2001 | 3067 |
| 2011 | 3166 |
| 2019 | 3113 |
| 2020 | 3057 |
| 2021 | 3005 |
| 2022 | 3043 |
| 2023 | 3012 |
| 2024 | 2959 |
| 2025 | 2944 |
| 2026 | 2927 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2412 | 41.0% |
| Married | 2798 | 47.5% |
| Divorced | 210 | 3.6% |
| Widowed | 468 | 7.9% |
School-Age Population (2026)
Total 0-18 years: 485
| Valore | |
|---|---|
| Nido (0-2) | 52 |
| Infanzia (3-5) | 63 |
| Primaria (6-10) | 135 |
| Medie (11-13) | 93 |
| Superiori (14-18) | 142 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the San Giorgio a Liri population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/san-giorgio-a-liri-060063" title="Population pyramid of San Giorgio a Liri — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/san-giorgio-a-liri-060063" alt="Population pyramid of San Giorgio a Liri — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>