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Population & demographics
All demographic data for Settimo San Pietro: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Settimo San Pietro.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Settimo San Pietro.
Settimo San Pietro is a medium-sized municipality in the province of Cagliari, Sardegna region. With a population of 6968 inhabitants and a density of 299 per km², it covers an area of 23.3 km². The average declared income is 20.705 €.
Settimo San Pietro in numbers: the analysis
Among the 17 municipalities of the province of Cagliari, Settimo San Pietro ranks 15 by population.
Settimo San Pietro has grown substantially since 1951: from 2,740 inhabitants then to 6,968 in 2026, an increase of 154.3%.
The generational balance is in line with the norm: the ageing index of Settimo San Pietro is 181 (over-65s per 100 under-14s).
Looking ahead to 2050, projections give Settimo San Pietro about 7,565 inhabitants, up 8.6% from today.
Compared with the provincial average of Cagliari (about 24,463 residents per municipality), Settimo San Pietro is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 6803 |
| 2020 | 6800 |
| 2021 | 6776 |
| 2022 | 6882 |
| 2023 | 6913 |
| 2024 | 6963 |
| 2025 | 6971 |
| 2026 | 6968 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3456 | 49.6% |
| Women | 3512 | 50.4% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 49 |
| 2022 | 51 |
| 2023 | 42 |
| 2024 | 28 |
| 2025 | 31 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2740 |
| 1961 | 3285 |
| 1971 | 3583 |
| 1981 | 4792 |
| 1991 | 5524 |
| 2001 | 5949 |
| 2011 | 6532 |
| 2019 | 6803 |
| 2020 | 6800 |
| 2021 | 6776 |
| 2022 | 6882 |
| 2023 | 6913 |
| 2024 | 6963 |
| 2025 | 6971 |
| 2026 | 6968 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 6414 | 46.0% |
| Married | 6348 | 45.5% |
| Divorced | 406 | 2.9% |
| Widowed | 774 | 5.6% |
School-Age Population (2026)
Total 0-18 years: 1131
| Valore | |
|---|---|
| Nido (0-2) | 99 |
| Infanzia (3-5) | 157 |
| Primaria (6-10) | 316 |
| Medie (11-13) | 210 |
| Superiori (14-18) | 349 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Settimo San Pietro population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/settimo-san-pietro-092075" title="Population pyramid of Settimo San Pietro — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/settimo-san-pietro-092075" alt="Population pyramid of Settimo San Pietro — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>