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Population & demographics
All demographic data for Bonnanaro: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Bonnanaro.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Bonnanaro.
Bonnanaro is a small municipality in the province of Sassari, Sardegna region. With a population of 894 inhabitants and a density of 40 per km², it covers an area of 22.2 km². The average declared income is 18.201 €.
Bonnanaro in numbers: the analysis
The census record tells a story of long decline: in 1951 Bonnanaro had 1,866 inhabitants; today (2026) it has 894 — 52.1% fewer.
The ageing index is one of the starkest signals: in Bonnanaro there are 363 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 726 inhabitants for Bonnanaro: an expected decline of 18.8% from today.
Compared with the provincial average of Sassari (about 5,115 residents per municipality), Bonnanaro is a markedly smaller centre.
Among the 92 municipalities of the province of Sassari, Bonnanaro ranks 61 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 950 |
| 2020 | 954 |
| 2021 | 952 |
| 2022 | 930 |
| 2023 | 920 |
| 2024 | 910 |
| 2025 | 904 |
| 2026 | 894 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 435 | 48.7% |
| Women | 459 | 51.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 5 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1866 |
| 1961 | 1821 |
| 1971 | 1497 |
| 1981 | 1307 |
| 1991 | 1198 |
| 2001 | 1127 |
| 2011 | 1021 |
| 2019 | 950 |
| 2020 | 954 |
| 2021 | 952 |
| 2022 | 930 |
| 2023 | 920 |
| 2024 | 910 |
| 2025 | 904 |
| 2026 | 894 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 800 | 44.2% |
| Married | 798 | 44.1% |
| Divorced | 56 | 3.1% |
| Widowed | 154 | 8.5% |
School-Age Population (2026)
Total 0-18 years: 106
| Valore | |
|---|---|
| Nido (0-2) | 12 |
| Infanzia (3-5) | 18 |
| Primaria (6-10) | 33 |
| Medie (11-13) | 17 |
| Superiori (14-18) | 26 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Bonnanaro population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/bonnanaro-090011" title="Population pyramid of Bonnanaro — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/bonnanaro-090011" alt="Population pyramid of Bonnanaro — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>