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Population & demographics
All demographic data for Seclì: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Seclì.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Seclì.
Seclì is a small municipality in the province of Lecce, Puglia region. With a population of 1784 inhabitants and a density of 196 per km², it covers an area of 9.1 km². The average declared income is 18.057 €.
Seclì in numbers: the analysis
The ageing index is one of the starkest signals: in Seclì there are 293 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 1,581 inhabitants for Seclì: an expected decline of 11.4% from today.
Compared with the provincial average of Lecce (about 7,937 residents per municipality), Seclì is a markedly smaller centre.
Among the 96 municipalities of the province of Lecce, Seclì ranks 88 by population.
Seclì has grown substantially since 1951: from 1,545 inhabitants then to 1,784 in 2026, an increase of 15.5%.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1848 |
| 2020 | 1842 |
| 2021 | 1825 |
| 2022 | 1820 |
| 2023 | 1824 |
| 2024 | 1818 |
| 2025 | 1813 |
| 2026 | 1784 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 852 | 47.8% |
| Women | 932 | 52.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 14 |
| 2022 | 10 |
| 2023 | 9 |
| 2024 | 18 |
| 2025 | 8 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1545 |
| 1961 | 1688 |
| 1971 | 1841 |
| 1981 | 1819 |
| 1991 | 1808 |
| 2001 | 1909 |
| 2011 | 1923 |
| 2019 | 1848 |
| 2020 | 1842 |
| 2021 | 1825 |
| 2022 | 1820 |
| 2023 | 1824 |
| 2024 | 1818 |
| 2025 | 1813 |
| 2026 | 1784 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1460 | 40.3% |
| Married | 1786 | 49.3% |
| Divorced | 54 | 1.5% |
| Widowed | 326 | 9.0% |
School-Age Population (2026)
Total 0-18 years: 224
| Valore | |
|---|---|
| Nido (0-2) | 33 |
| Infanzia (3-5) | 37 |
| Primaria (6-10) | 59 |
| Medie (11-13) | 21 |
| Superiori (14-18) | 74 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Seclì population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/secli-075074" title="Population pyramid of Seclì — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/secli-075074" alt="Population pyramid of Seclì — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>