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Population & demographics
All demographic data for Castelnuovo di Porto: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Castelnuovo di Porto.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Castelnuovo di Porto.
Castelnuovo di Porto is a medium-sized municipality in the province of Roma, Lazio region. With a population of 8610 inhabitants and a density of 281 per km², it covers an area of 30.7 km². The average declared income is 23.838 €.
Castelnuovo di Porto in numbers: the analysis
Looking ahead to 2050, projections give Castelnuovo di Porto about 9,635 inhabitants, up 11.9% from today.
Compared with the provincial average of Roma (about 34,917 residents per municipality), Castelnuovo di Porto is a markedly smaller centre.
Among the 121 municipalities of the province of Roma, Castelnuovo di Porto ranks 46 by population.
Castelnuovo di Porto has grown substantially since 1951: from 2,136 inhabitants then to 8,610 in 2026, an increase of 303.1%.
The generational balance is in line with the norm: the ageing index of Castelnuovo di Porto is 192 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 8332 |
| 2020 | 8281 |
| 2021 | 8423 |
| 2022 | 8587 |
| 2023 | 8576 |
| 2024 | 8617 |
| 2025 | 8658 |
| 2026 | 8610 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 4268 | 49.6% |
| Women | 4342 | 50.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 60 |
| 2022 | 52 |
| 2023 | 60 |
| 2024 | 47 |
| 2025 | 45 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2136 |
| 1961 | 2136 |
| 1971 | 2453 |
| 1981 | 4371 |
| 1991 | 5897 |
| 2001 | 7181 |
| 2011 | 8059 |
| 2019 | 8332 |
| 2020 | 8281 |
| 2021 | 8423 |
| 2022 | 8587 |
| 2023 | 8576 |
| 2024 | 8617 |
| 2025 | 8658 |
| 2026 | 8610 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 8024 | 46.3% |
| Married | 7332 | 42.3% |
| Divorced | 842 | 4.9% |
| Widowed | 1118 | 6.5% |
School-Age Population (2026)
Total 0-18 years: 1371
| Valore | |
|---|---|
| Nido (0-2) | 158 |
| Infanzia (3-5) | 175 |
| Primaria (6-10) | 347 |
| Medie (11-13) | 267 |
| Superiori (14-18) | 424 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Castelnuovo di Porto population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/castelnuovo-di-porto-058024" title="Population pyramid of Castelnuovo di Porto — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/castelnuovo-di-porto-058024" alt="Population pyramid of Castelnuovo di Porto — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>