Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Lazio.
Province page
Open the full profile page for the province of Roma.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Lazio ranked by average income.
Provincial population ranking
View the municipalities in the province of Roma ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Valmontone: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Valmontone.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Valmontone.
Valmontone is a medium-sized municipality in the province of Roma, Lazio region. With a population of 15.654 inhabitants and a density of 382 per km², it covers an area of 41.0 km². The average declared income is 20.663 €.
Valmontone in numbers: the analysis
Valmontone has grown substantially since 1951: from 7,440 inhabitants then to 15,654 in 2026, an increase of 110.4%.
The generational balance is in line with the norm: the ageing index of Valmontone is 160 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Valmontone about 17,281 inhabitants, up 10.4% from today.
Compared with the provincial average of Roma (about 34,917 residents per municipality), Valmontone is a markedly smaller centre.
Among the 121 municipalities of the province of Roma, Valmontone ranks 32 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 15.209 |
| 2020 | 15.206 |
| 2021 | 15.662 |
| 2022 | 15.698 |
| 2023 | 15.674 |
| 2024 | 15.697 |
| 2025 | 15.620 |
| 2026 | 15.654 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 7743 | 49.5% |
| Women | 7911 | 50.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 119 |
| 2022 | 99 |
| 2023 | 120 |
| 2024 | 99 |
| 2025 | 98 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 7440 |
| 1961 | 8283 |
| 1971 | 9091 |
| 1981 | 10.278 |
| 1991 | 11.649 |
| 2001 | 12.244 |
| 2011 | 14.975 |
| 2019 | 15.209 |
| 2020 | 15.206 |
| 2021 | 15.662 |
| 2022 | 15.698 |
| 2023 | 15.674 |
| 2024 | 15.697 |
| 2025 | 15.620 |
| 2026 | 15.654 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 14.180 | 45.4% |
| Married | 14.238 | 45.6% |
| Divorced | 750 | 2.4% |
| Widowed | 2072 | 6.6% |
School-Age Population (2026)
Total 0-18 years: 2749
| Valore | |
|---|---|
| Nido (0-2) | 321 |
| Infanzia (3-5) | 352 |
| Primaria (6-10) | 721 |
| Medie (11-13) | 482 |
| Superiori (14-18) | 873 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Valmontone population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/valmontone-058110" title="Population pyramid of Valmontone — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/valmontone-058110" alt="Population pyramid of Valmontone — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>