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Population & demographics
All demographic data for Sonnino: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Sonnino.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Sonnino.
Sonnino is a medium-sized municipality in the province of Latina, Lazio region. With a population of 7465 inhabitants and a density of 116 per km², it covers an area of 64.5 km². The average declared income is 17.349 €.
Sonnino in numbers: the analysis
Over the long run the population of Sonnino has stayed essentially stable: 7,786 inhabitants in 1951, 7,465 in 2026 (less than 5% change).
The generational balance is in line with the norm: the ageing index of Sonnino is 174 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 7,465 inhabitants.
Compared with the provincial average of Latina (about 17,186 residents per municipality), Sonnino is a markedly smaller centre.
Among the 33 municipalities of the province of Latina, Sonnino ranks 17 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 7465 |
| 2020 | 7473 |
| 2021 | 7433 |
| 2022 | 7440 |
| 2023 | 7383 |
| 2024 | 7367 |
| 2025 | 7426 |
| 2026 | 7465 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3715 | 49.8% |
| Women | 3750 | 50.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 61 |
| 2022 | 57 |
| 2023 | 52 |
| 2024 | 66 |
| 2025 | 52 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 7786 |
| 1961 | 7942 |
| 1971 | 6859 |
| 1981 | 6764 |
| 1991 | 6953 |
| 2001 | 7043 |
| 2011 | 7279 |
| 2019 | 7465 |
| 2020 | 7473 |
| 2021 | 7433 |
| 2022 | 7440 |
| 2023 | 7383 |
| 2024 | 7367 |
| 2025 | 7426 |
| 2026 | 7465 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 6172 | 41.6% |
| Married | 7268 | 48.9% |
| Divorced | 392 | 2.6% |
| Widowed | 1020 | 6.9% |
School-Age Population (2026)
Total 0-18 years: 1282
| Valore | |
|---|---|
| Nido (0-2) | 179 |
| Infanzia (3-5) | 182 |
| Primaria (6-10) | 353 |
| Medie (11-13) | 226 |
| Superiori (14-18) | 342 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Sonnino population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/sonnino-059029" title="Population pyramid of Sonnino — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/sonnino-059029" alt="Population pyramid of Sonnino — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>