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Population & demographics
All demographic data for Gissi: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Gissi.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Gissi.
Gissi is a small municipality in the province of Chieti, Abruzzo region. With a population of 2401 inhabitants and a density of 65 per km², it covers an area of 36.8 km². The average declared income is 18.873 €.
Gissi in numbers: the analysis
The census record tells a story of long decline: in 1951 Gissi had 4,069 inhabitants; today (2026) it has 2,401 — 41% fewer.
The ageing index is one of the starkest signals: in Gissi there are 293 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 1,614 inhabitants for Gissi: an expected decline of 32.8% from today.
Among the 104 municipalities of the province of Chieti, Gissi ranks 29 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 2696 |
| 2020 | 2649 |
| 2021 | 2545 |
| 2022 | 2517 |
| 2023 | 2479 |
| 2024 | 2445 |
| 2025 | 2437 |
| 2026 | 2401 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 1196 | 49.8% |
| Women | 1205 | 50.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 11 |
| 2022 | 17 |
| 2023 | 10 |
| 2024 | 10 |
| 2025 | 13 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 4069 |
| 1961 | 3548 |
| 1971 | 2980 |
| 1981 | 3217 |
| 1991 | 3314 |
| 2001 | 3088 |
| 2011 | 2935 |
| 2019 | 2696 |
| 2020 | 2649 |
| 2021 | 2545 |
| 2022 | 2517 |
| 2023 | 2479 |
| 2024 | 2445 |
| 2025 | 2437 |
| 2026 | 2401 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1926 | 39.5% |
| Married | 2338 | 48.0% |
| Divorced | 160 | 3.3% |
| Widowed | 450 | 9.2% |
School-Age Population (2026)
Total 0-18 years: 334
| Valore | |
|---|---|
| Nido (0-2) | 32 |
| Infanzia (3-5) | 46 |
| Primaria (6-10) | 83 |
| Medie (11-13) | 60 |
| Superiori (14-18) | 113 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Gissi population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/gissi-069041" title="Population pyramid of Gissi — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/gissi-069041" alt="Population pyramid of Gissi — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>