Bertiolo: 2330 inhabitants (2026)
ISTAT Code: 030010
45.9433°N, 13.0553°E
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Population & demographics
All demographic data for Bertiolo: population, births, deaths, balances and historical trends.
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Average income, median income, income brackets and historical trends for Bertiolo.
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Bertiolo is a small municipality in the province of Udine, Friuli-Venezia Giulia region. With a population of 2330 inhabitants and a density of 89 per km², it covers an area of 26,1 km². The average declared income is 22.003 €.
Bertiolo in numbers: the analysis
The ageing index is one of the starkest signals: in Bertiolo there are 313 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Bertiolo had 3,507 inhabitants; today (2026) it has 2,330 — 33.6% fewer.
Among the 134 municipalities of the province of Udine, Bertiolo ranks 61 by population.
Compared with the provincial average of Udine (about 3,849 residents per municipality), Bertiolo is a markedly smaller centre.
Demographic projections to 2050 estimate about 2,176 inhabitants for Bertiolo: an expected decline of 6.6% from today.
Population Trend
Male/Female Ratio
Demographic Statistics
Demographic Indices
Births (recent years)
Historical Population (1951-present)
Marital Status (2025)
School-Age Population (2026)
Total 0-18 years: 329
Foreign residents
Foreign presence and top citizenships
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Use the Bertiolo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/bertiolo-030010" title="Population pyramid of Bertiolo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/bertiolo-030010" alt="Population pyramid of Bertiolo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>