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Population & demographics
All demographic data for Diso: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Diso.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Diso.
Diso is a small municipality in the province of Lecce, Puglia region. With a population of 2792 inhabitants and a density of 248 per km², it covers an area of 11.3 km². The average declared income is 19.532 €.
Diso in numbers: the analysis
Compared with the provincial average of Lecce (about 7,937 residents per municipality), Diso is a markedly smaller centre.
Among the 96 municipalities of the province of Lecce, Diso ranks 74 by population.
The census record tells a story of long decline: in 1951 Diso had 3,527 inhabitants; today (2026) it has 2,792 — 20.8% fewer.
The ageing index is one of the starkest signals: in Diso there are 413 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 2,355 inhabitants for Diso: an expected decline of 15.7% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 2934 |
| 2020 | 2906 |
| 2021 | 2867 |
| 2022 | 2852 |
| 2023 | 2830 |
| 2024 | 2803 |
| 2025 | 2798 |
| 2026 | 2792 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1322 | 47.3% |
| Women | 1470 | 52.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 15 |
| 2022 | 13 |
| 2023 | 8 |
| 2024 | 20 |
| 2025 | 17 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3527 |
| 1961 | 3615 |
| 1971 | 3499 |
| 1981 | 3315 |
| 1991 | 3372 |
| 2001 | 3298 |
| 2011 | 3073 |
| 2019 | 2934 |
| 2020 | 2906 |
| 2021 | 2867 |
| 2022 | 2852 |
| 2023 | 2830 |
| 2024 | 2803 |
| 2025 | 2798 |
| 2026 | 2792 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 2200 | 39.3% |
| Married | 2682 | 47.9% |
| Divorced | 128 | 2.3% |
| Widowed | 586 | 10.5% |
School-Age Population (2026)
Total 0-18 years: 312
| Valore | |
|---|---|
| Nido (0-2) | 45 |
| Infanzia (3-5) | 42 |
| Primaria (6-10) | 82 |
| Medie (11-13) | 45 |
| Superiori (14-18) | 98 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Diso population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/diso-075027" title="Population pyramid of Diso — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/diso-075027" alt="Population pyramid of Diso — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>