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Population & demographics
All demographic data for Strona: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Strona.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Strona.
Strona is a small municipality in the province of Biella, Piemonte region. With a population of 941 inhabitants and a density of 249 per km², it covers an area of 3.8 km². The average declared income is 24.048 €.
Strona in numbers: the analysis
Among the 74 municipalities of the province of Biella, Strona ranks 40 by population.
The census record tells a story of long decline: in 1951 Strona had 1,974 inhabitants; today (2026) it has 941 — 52.3% fewer.
The ageing index is one of the starkest signals: in Strona there are 344 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 598 inhabitants for Strona: an expected decline of 36.5% from today.
Compared with the provincial average of Biella (about 2,273 residents per municipality), Strona is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1074 |
| 2020 | 1056 |
| 2021 | 1005 |
| 2022 | 967 |
| 2023 | 949 |
| 2024 | 939 |
| 2025 | 929 |
| 2026 | 941 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 462 | 49.1% |
| Women | 479 | 50.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 7 |
| 2025 | 6 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1974 |
| 1961 | 1942 |
| 1971 | 1557 |
| 1981 | 1343 |
| 1991 | 1216 |
| 2001 | 1175 |
| 2011 | 1157 |
| 2019 | 1074 |
| 2020 | 1056 |
| 2021 | 1005 |
| 2022 | 967 |
| 2023 | 949 |
| 2024 | 939 |
| 2025 | 929 |
| 2026 | 941 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 716 | 38.5% |
| Married | 812 | 43.7% |
| Divorced | 102 | 5.5% |
| Widowed | 228 | 12.3% |
School-Age Population (2026)
Total 0-18 years: 113
| Valore | |
|---|---|
| Nido (0-2) | 16 |
| Infanzia (3-5) | 13 |
| Primaria (6-10) | 27 |
| Medie (11-13) | 20 |
| Superiori (14-18) | 37 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Strona population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/strona-096065" title="Population pyramid of Strona — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/strona-096065" alt="Population pyramid of Strona — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>