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Population & demographics
All demographic data for Formello: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Formello.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Formello.
Formello is a medium-sized municipality in the province of Roma, Lazio region. With a population of 13.925 inhabitants and a density of 442 per km², it covers an area of 31.5 km². The average declared income is 29.110 €.
Formello in numbers: the analysis
Formello has grown substantially since 1951: from 1,677 inhabitants then to 13,925 in 2026, an increase of 730.4%.
The generational balance is in line with the norm: the ageing index of Formello is 163 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Formello about 17,874 inhabitants, up 28.4% from today.
Compared with the provincial average of Roma (about 34,917 residents per municipality), Formello is a markedly smaller centre.
Among the 121 municipalities of the province of Roma, Formello ranks 33 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 12.947 |
| 2020 | 13.048 |
| 2021 | 13.249 |
| 2022 | 13.481 |
| 2023 | 13.652 |
| 2024 | 13.790 |
| 2025 | 13.850 |
| 2026 | 13.925 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 6707 | 48.2% |
| Women | 7218 | 51.8% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 106 |
| 2022 | 89 |
| 2023 | 79 |
| 2024 | 102 |
| 2025 | 78 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1677 |
| 1961 | 2067 |
| 1971 | 2810 |
| 1981 | 5245 |
| 1991 | 7574 |
| 2001 | 9271 |
| 2011 | 11.909 |
| 2019 | 12.947 |
| 2020 | 13.048 |
| 2021 | 13.249 |
| 2022 | 13.481 |
| 2023 | 13.652 |
| 2024 | 13.790 |
| 2025 | 13.850 |
| 2026 | 13.925 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 12.876 | 46.5% |
| Married | 11.928 | 43.1% |
| Divorced | 1378 | 5.0% |
| Widowed | 1518 | 5.5% |
School-Age Population (2026)
Total 0-18 years: 2472
| Valore | |
|---|---|
| Nido (0-2) | 274 |
| Infanzia (3-5) | 339 |
| Primaria (6-10) | 615 |
| Medie (11-13) | 435 |
| Superiori (14-18) | 809 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Formello population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/formello-058038" title="Population pyramid of Formello — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/formello-058038" alt="Population pyramid of Formello — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>