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Population & demographics
All demographic data for Sarzana: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Sarzana.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Sarzana.
Sarzana is a medium-sized municipality in the province of La Spezia, Liguria region. With a population of 21.726 inhabitants and a density of 630 per km², it covers an area of 34.5 km². The average declared income is 26.203 €.
Sarzana in numbers: the analysis
The ageing index is one of the starkest signals: in Sarzana there are 278 residents over 65 for every 100 under 14, well above the national average.
For 2050 the projections point to an essentially unchanged population: about 20,907 inhabitants.
The average municipality in the province of La Spezia has about 6,704 residents: Sarzana has 3.2 times as many.
Few municipalities in Liguria are larger: it ranks no. 10 by population out of 234.
By population, Sarzana ranks no. 2 among the 32 municipalities of the province of La Spezia.
Sarzana has grown substantially since 1951: from 16,101 inhabitants then to 21,726 in 2026, an increase of 34.9%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 21.971 |
| 2020 | 21.930 |
| 2021 | 21.697 |
| 2022 | 21.610 |
| 2023 | 21.696 |
| 2024 | 21.786 |
| 2025 | 21.768 |
| 2026 | 21.726 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 10.532 | 48.5% |
| Women | 11.194 | 51.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 97 |
| 2022 | 107 |
| 2023 | 120 |
| 2024 | 116 |
| 2025 | 92 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 16.101 |
| 1961 | 16.986 |
| 1971 | 18.676 |
| 1981 | 19.212 |
| 1991 | 19.849 |
| 2001 | 20.059 |
| 2011 | 21.829 |
| 2019 | 21.971 |
| 2020 | 21.930 |
| 2021 | 21.697 |
| 2022 | 21.610 |
| 2023 | 21.696 |
| 2024 | 21.786 |
| 2025 | 21.768 |
| 2026 | 21.726 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 18.644 | 42.9% |
| Married | 19.178 | 44.1% |
| Divorced | 2466 | 5.7% |
| Widowed | 3204 | 7.4% |
School-Age Population (2026)
Total 0-18 years: 2964
| Valore | |
|---|---|
| Nido (0-2) | 349 |
| Infanzia (3-5) | 386 |
| Primaria (6-10) | 737 |
| Medie (11-13) | 497 |
| Superiori (14-18) | 995 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Sarzana population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/sarzana-011027" title="Population pyramid of Sarzana — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/sarzana-011027" alt="Population pyramid of Sarzana — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>