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Population & demographics
All demographic data for Lastra a Signa: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Lastra a Signa.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Lastra a Signa.
Lastra a Signa is a medium-sized municipality in the province of Firenze, Toscana region. With a population of 19.880 inhabitants and a density of 463 per km², it covers an area of 43.0 km². The average declared income is 25.006 €.
Lastra a Signa in numbers: the analysis
For 2050 the projections point to an essentially unchanged population: about 19,558 inhabitants.
Among the 41 municipalities of the province of Firenze, Lastra a Signa ranks 10 by population.
Lastra a Signa has grown substantially since 1951: from 13,433 inhabitants then to 19,880 in 2026, an increase of 48%.
The generational balance is in line with the norm: the ageing index of Lastra a Signa is 217 (over-65s per 100 under-14s).
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 19.975 |
| 2020 | 19.582 |
| 2021 | 19.814 |
| 2022 | 19.674 |
| 2023 | 19.638 |
| 2024 | 19.712 |
| 2025 | 19.869 |
| 2026 | 19.880 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 9883 | 49.7% |
| Women | 9997 | 50.3% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 127 |
| 2022 | 111 |
| 2023 | 130 |
| 2024 | 135 |
| 2025 | 129 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 13.433 |
| 1961 | 14.528 |
| 1971 | 17.068 |
| 1981 | 17.023 |
| 1991 | 17.416 |
| 2001 | 17.938 |
| 2011 | 18.960 |
| 2019 | 19.975 |
| 2020 | 19.582 |
| 2021 | 19.814 |
| 2022 | 19.674 |
| 2023 | 19.638 |
| 2024 | 19.712 |
| 2025 | 19.869 |
| 2026 | 19.880 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 17.762 | 44.7% |
| Married | 17.686 | 44.5% |
| Divorced | 1522 | 3.8% |
| Widowed | 2768 | 7.0% |
School-Age Population (2026)
Total 0-18 years: 3023
| Valore | |
|---|---|
| Nido (0-2) | 411 |
| Infanzia (3-5) | 365 |
| Primaria (6-10) | 786 |
| Medie (11-13) | 533 |
| Superiori (14-18) | 928 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Lastra a Signa population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/lastra-a-signa-048024" title="Population pyramid of Lastra a Signa — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/lastra-a-signa-048024" alt="Population pyramid of Lastra a Signa — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>