Mariano del Friuli: 1478 inhabitants (2026)
ISTAT Code: 031010
45.9167°N, 13.4611°E
Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Friuli-Venezia Giulia.
Province page
Open the full profile page for the province of Gorizia.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Friuli-Venezia Giulia ranked by average income.
Provincial population ranking
View the municipalities in the province of Gorizia ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Mariano del Friuli: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Mariano del Friuli.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Mariano del Friuli.
Mariano del Friuli is a small municipality in the province of Gorizia, Friuli-Venezia Giulia region. With a population of 1478 inhabitants and a density of 176 per km², it covers an area of 8.4 km². The average declared income is 23.611 €.
Mariano del Friuli in numbers: the analysis
Among the 25 municipalities of the province of Gorizia, Mariano del Friuli ranks 20 by population.
Compared with the provincial average of Gorizia (about 5,549 residents per municipality), Mariano del Friuli is a markedly smaller centre.
For 2050 the projections point to an essentially unchanged population: about 1,415 inhabitants.
The ageing index is one of the starkest signals: in Mariano del Friuli there are 355 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Mariano del Friuli had 1,777 inhabitants; today (2026) it has 1,478 — 16.8% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1497 |
| 2020 | 1485 |
| 2021 | 1475 |
| 2022 | 1464 |
| 2023 | 1446 |
| 2024 | 1447 |
| 2025 | 1464 |
| 2026 | 1478 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 727 | 49.2% |
| Women | 751 | 50.8% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 8 |
| 2024 | 6 |
| 2025 | 9 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1777 |
| 1961 | 1751 |
| 1971 | 1661 |
| 1981 | 1669 |
| 1991 | 1622 |
| 2001 | 1530 |
| 2011 | 1600 |
| 2019 | 1497 |
| 2020 | 1485 |
| 2021 | 1475 |
| 2022 | 1464 |
| 2023 | 1446 |
| 2024 | 1447 |
| 2025 | 1464 |
| 2026 | 1478 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 1158 | 39.5% |
| Married | 1328 | 45.4% |
| Divorced | 150 | 5.1% |
| Widowed | 292 | 10.0% |
School-Age Population (2026)
Total 0-18 years: 172
| Valore | |
|---|---|
| Nido (0-2) | 26 |
| Infanzia (3-5) | 16 |
| Primaria (6-10) | 38 |
| Medie (11-13) | 32 |
| Superiori (14-18) | 60 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Mariano del Friuli population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/mariano-del-friuli-031010" title="Population pyramid of Mariano del Friuli — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/mariano-del-friuli-031010" alt="Population pyramid of Mariano del Friuli — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>Municipalities with similar population
Bicinicco
1.742 · Udine, Friuli-Venezia Giulia
Treppo Grande
1.717 · Udine, Friuli-Venezia Giulia
Ovaro
1.708 · Udine, Friuli-Venezia Giulia
San Vito di Fagagna
1.681 · Udine, Friuli-Venezia Giulia
Savogna d'Isonzo
1.680 · Gorizia, Friuli-Venezia Giulia
Forgaria nel Friuli
1.679 · Udine, Friuli-Venezia Giulia