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Population & demographics
All demographic data for Bosa: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Bosa.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Bosa.
Bosa is a medium-sized municipality in the province of Oristano, Sardegna region. With a population of 7292 inhabitants and a density of 57 per km², it covers an area of 128.2 km². The average declared income is 18.925 €.
Bosa in numbers: the analysis
The average municipality in the province of Oristano has about 1,687 residents: Bosa has 4.3 times as many.
Demographic projections to 2050 estimate about 5,730 inhabitants for Bosa: an expected decline of 21.4% from today.
The ageing index is one of the starkest signals: in Bosa there are 313 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Bosa had 7,680 inhabitants; today (2026) it has 7,292 — 5.1% fewer.
By population, Bosa ranks no. 4 among the 87 municipalities of the province of Oristano.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 7823 |
| 2020 | 7770 |
| 2021 | 7533 |
| 2022 | 7539 |
| 2023 | 7488 |
| 2024 | 7398 |
| 2025 | 7346 |
| 2026 | 7292 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3560 | 48.8% |
| Women | 3732 | 51.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 33 |
| 2022 | 35 |
| 2023 | 23 |
| 2024 | 25 |
| 2025 | 29 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 7680 |
| 1961 | 8169 |
| 1971 | 8632 |
| 1981 | 8602 |
| 1991 | 8518 |
| 2001 | 7935 |
| 2011 | 8026 |
| 2019 | 7823 |
| 2020 | 7770 |
| 2021 | 7533 |
| 2022 | 7539 |
| 2023 | 7488 |
| 2024 | 7398 |
| 2025 | 7346 |
| 2026 | 7292 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 6702 | 45.6% |
| Married | 6360 | 43.3% |
| Divorced | 454 | 3.1% |
| Widowed | 1176 | 8.0% |
School-Age Population (2026)
Total 0-18 years: 902
| Valore | |
|---|---|
| Nido (0-2) | 72 |
| Infanzia (3-5) | 111 |
| Primaria (6-10) | 241 |
| Medie (11-13) | 168 |
| Superiori (14-18) | 310 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Bosa population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/bosa-095079" title="Population pyramid of Bosa — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/bosa-095079" alt="Population pyramid of Bosa — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>