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Population & demographics
All demographic data for Monte San Biagio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Monte San Biagio.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Monte San Biagio.
Monte San Biagio is a medium-sized municipality in the province of Latina, Lazio region. With a population of 6028 inhabitants and a density of 92 per km², it covers an area of 65.2 km². The average declared income is 17.615 €.
Monte San Biagio in numbers: the analysis
Demographic projections to 2050 estimate about 5,465 inhabitants for Monte San Biagio: an expected decline of 9.3% from today.
Compared with the provincial average of Latina (about 17,186 residents per municipality), Monte San Biagio is a markedly smaller centre.
Among the 33 municipalities of the province of Latina, Monte San Biagio ranks 19 by population.
Monte San Biagio has grown substantially since 1951: from 5,312 inhabitants then to 6,028 in 2026, an increase of 13.5%.
The generational balance is in line with the norm: the ageing index of Monte San Biagio is 209 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 6203 |
| 2020 | 6238 |
| 2021 | 6159 |
| 2022 | 6104 |
| 2023 | 6078 |
| 2024 | 6042 |
| 2025 | 6011 |
| 2026 | 6028 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3097 | 51.4% |
| Women | 2931 | 48.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 39 |
| 2022 | 49 |
| 2023 | 68 |
| 2024 | 35 |
| 2025 | 38 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5312 |
| 1961 | 5536 |
| 1971 | 5446 |
| 1981 | 5629 |
| 1991 | 5856 |
| 2001 | 5996 |
| 2011 | 6144 |
| 2019 | 6203 |
| 2020 | 6238 |
| 2021 | 6159 |
| 2022 | 6104 |
| 2023 | 6078 |
| 2024 | 6042 |
| 2025 | 6011 |
| 2026 | 6028 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 4822 | 40.1% |
| Married | 6042 | 50.3% |
| Divorced | 224 | 1.9% |
| Widowed | 934 | 7.8% |
School-Age Population (2026)
Total 0-18 years: 982
| Valore | |
|---|---|
| Nido (0-2) | 140 |
| Infanzia (3-5) | 132 |
| Primaria (6-10) | 242 |
| Medie (11-13) | 167 |
| Superiori (14-18) | 301 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Monte San Biagio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/monte-san-biagio-059015" title="Population pyramid of Monte San Biagio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/monte-san-biagio-059015" alt="Population pyramid of Monte San Biagio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>