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Population & demographics
All demographic data for Petrosino: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Petrosino.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Petrosino.
Petrosino is a medium-sized municipality in the province of Trapani, Sicilia region. With a population of 7883 inhabitants and a density of 176 per km², it covers an area of 44.7 km². The average declared income is 15.026 €.
Petrosino in numbers: the analysis
Compared with the provincial average of Trapani (about 16,424 residents per municipality), Petrosino is a markedly smaller centre.
Among the 25 municipalities of the province of Trapani, Petrosino ranks 14 by population.
Petrosino has grown substantially since 1951: from 5,455 inhabitants then to 7,883 in 2026, an increase of 44.5%.
The generational balance is in line with the norm: the ageing index of Petrosino is 168 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 7,234 inhabitants for Petrosino: an expected decline of 8.2% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 8083 |
| 2020 | 8072 |
| 2021 | 7976 |
| 2022 | 7962 |
| 2023 | 7935 |
| 2024 | 7927 |
| 2025 | 7911 |
| 2026 | 7883 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 4051 | 51.4% |
| Women | 3832 | 48.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 62 |
| 2022 | 64 |
| 2023 | 54 |
| 2024 | 62 |
| 2025 | 51 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5455 |
| 1961 | 6082 |
| 1971 | 6502 |
| 1981 | 6948 |
| 1991 | 7329 |
| 2001 | 7330 |
| 2011 | 7760 |
| 2019 | 8083 |
| 2020 | 8072 |
| 2021 | 7976 |
| 2022 | 7962 |
| 2023 | 7935 |
| 2024 | 7927 |
| 2025 | 7911 |
| 2026 | 7883 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 6572 | 41.5% |
| Married | 7822 | 49.4% |
| Divorced | 246 | 1.6% |
| Widowed | 1182 | 7.5% |
School-Age Population (2026)
Total 0-18 years: 1415
| Valore | |
|---|---|
| Nido (0-2) | 169 |
| Infanzia (3-5) | 204 |
| Primaria (6-10) | 383 |
| Medie (11-13) | 236 |
| Superiori (14-18) | 423 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Petrosino population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/petrosino-081024" title="Population pyramid of Petrosino — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/petrosino-081024" alt="Population pyramid of Petrosino — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>