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Population & demographics
All demographic data for Vallemaio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Vallemaio.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Vallemaio.
Vallemaio is a small municipality in the province of Frosinone, Lazio region. With a population of 881 inhabitants and a density of 48 per km², it covers an area of 18.2 km². The average declared income is 17.659 €.
Vallemaio in numbers: the analysis
The census record tells a story of long decline: in 1951 Vallemaio had 1,552 inhabitants; today (2026) it has 881 — 43.2% fewer.
The generational balance is in line with the norm: the ageing index of Vallemaio is 226 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 754 inhabitants for Vallemaio: an expected decline of 14.4% from today.
Compared with the provincial average of Frosinone (about 5,058 residents per municipality), Vallemaio is a markedly smaller centre.
Among the 91 municipalities of the province of Frosinone, Vallemaio ranks 76 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 922 |
| 2020 | 906 |
| 2021 | 902 |
| 2022 | 892 |
| 2023 | 892 |
| 2024 | 895 |
| 2025 | 891 |
| 2026 | 881 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 434 | 49.3% |
| Women | 447 | 50.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 4 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 8 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1552 |
| 1961 | 1417 |
| 1971 | 1116 |
| 1981 | 1122 |
| 1991 | 1137 |
| 2001 | 1052 |
| 2011 | 1002 |
| 2019 | 922 |
| 2020 | 906 |
| 2021 | 902 |
| 2022 | 892 |
| 2023 | 892 |
| 2024 | 895 |
| 2025 | 891 |
| 2026 | 881 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 722 | 40.5% |
| Married | 846 | 47.5% |
| Divorced | 44 | 2.5% |
| Widowed | 170 | 9.5% |
School-Age Population (2026)
Total 0-18 years: 137
| Valore | |
|---|---|
| Nido (0-2) | 21 |
| Infanzia (3-5) | 24 |
| Primaria (6-10) | 40 |
| Medie (11-13) | 20 |
| Superiori (14-18) | 32 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Vallemaio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/vallemaio-060083" title="Population pyramid of Vallemaio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/vallemaio-060083" alt="Population pyramid of Vallemaio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>