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ISTAT Code: 031004
46.0317°N, 13.4793°E
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Population & demographics
All demographic data for Dolegna del Collio: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Dolegna del Collio.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Dolegna del Collio.
Dolegna del Collio is a small municipality in the province of Gorizia, Friuli-Venezia Giulia region. With a population of 285 inhabitants and a density of 21 per km², it covers an area of 13.3 km². The average declared income is 20.999 €.
Dolegna del Collio in numbers: the analysis
Compared with the provincial average of Gorizia (about 5,549 residents per municipality), Dolegna del Collio is a markedly smaller centre.
Demographic projections to 2050 estimate about 162 inhabitants for Dolegna del Collio: an expected decline of 43.2% from today.
The ageing index is one of the starkest signals: in Dolegna del Collio there are 746 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Dolegna del Collio had 1,178 inhabitants; today (2026) it has 285 — 75.8% fewer.
Among the 25 municipalities of the province of Gorizia, Dolegna del Collio ranks 25 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 336 |
| 2020 | 328 |
| 2021 | 325 |
| 2022 | 317 |
| 2023 | 306 |
| 2024 | 295 |
| 2025 | 289 |
| 2026 | 285 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 154 | 54.0% |
| Women | 131 | 46.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 2 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1178 |
| 1961 | 961 |
| 1971 | 701 |
| 1981 | 597 |
| 1991 | 520 |
| 2001 | 435 |
| 2011 | 390 |
| 2019 | 336 |
| 2020 | 328 |
| 2021 | 325 |
| 2022 | 317 |
| 2023 | 306 |
| 2024 | 295 |
| 2025 | 289 |
| 2026 | 285 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 242 | 41.9% |
| Married | 250 | 43.3% |
| Divorced | 32 | 5.5% |
| Widowed | 54 | 9.3% |
School-Age Population (2026)
Total 0-18 years: 20
| Valore | |
|---|---|
| Nido (0-2) | 1 |
| Infanzia (3-5) | 2 |
| Primaria (6-10) | 6 |
| Medie (11-13) | 3 |
| Superiori (14-18) | 8 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Dolegna del Collio population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/dolegna-del-collio-031004" title="Population pyramid of Dolegna del Collio — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/dolegna-del-collio-031004" alt="Population pyramid of Dolegna del Collio — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>