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Population & demographics
All demographic data for Sennori: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Sennori.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Sennori.
Sennori is a medium-sized municipality in the province of Sassari, Sardegna region. With a population of 6657 inhabitants and a density of 214 per km², it covers an area of 31.0 km². The average declared income is 17.063 €.
Sennori in numbers: the analysis
Demographic projections to 2050 estimate about 5,246 inhabitants for Sennori: an expected decline of 21.2% from today.
Among the 92 municipalities of the province of Sassari, Sennori ranks 11 by population.
Sennori has grown substantially since 1951: from 5,188 inhabitants then to 6,657 in 2026, an increase of 28.3%.
The ageing index is one of the starkest signals: in Sennori there are 288 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 7136 |
| 2020 | 7092 |
| 2021 | 7001 |
| 2022 | 6935 |
| 2023 | 6876 |
| 2024 | 6856 |
| 2025 | 6730 |
| 2026 | 6657 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3299 | 49.6% |
| Women | 3358 | 50.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 31 |
| 2022 | 43 |
| 2023 | 38 |
| 2024 | 32 |
| 2025 | 21 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 5188 |
| 1961 | 5578 |
| 1971 | 6190 |
| 1981 | 6896 |
| 1991 | 7252 |
| 2001 | 7365 |
| 2011 | 7375 |
| 2019 | 7136 |
| 2020 | 7092 |
| 2021 | 7001 |
| 2022 | 6935 |
| 2023 | 6876 |
| 2024 | 6856 |
| 2025 | 6730 |
| 2026 | 6657 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 6016 | 44.7% |
| Married | 6106 | 45.4% |
| Divorced | 356 | 2.6% |
| Widowed | 982 | 7.3% |
School-Age Population (2026)
Total 0-18 years: 873
| Valore | |
|---|---|
| Nido (0-2) | 91 |
| Infanzia (3-5) | 97 |
| Primaria (6-10) | 216 |
| Medie (11-13) | 142 |
| Superiori (14-18) | 327 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Sennori population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/sennori-090067" title="Population pyramid of Sennori — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/sennori-090067" alt="Population pyramid of Sennori — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>