Buja: 6336 inhabitants (2026)
ISTAT Code: 030013
46.2089°N, 13.1257°E
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Population & demographics
All demographic data for Buja: population, births, deaths, balances and historical trends.
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Average income, median income, income brackets and historical trends for Buja.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Buja.
Buja is a medium-sized municipality in the province of Udine, Friuli-Venezia Giulia region. With a population of 6336 inhabitants and a density of 243 per km², it covers an area of 26.1 km². The average declared income is 24.342 €.
Buja in numbers: the analysis
The average municipality in the province of Udine has about 3,849 residents: Buja has 1.6 times as many.
Demographic projections to 2050 estimate about 5,926 inhabitants for Buja: an expected decline of 6.5% from today.
The ageing index is one of the starkest signals: in Buja there are 302 residents over 65 for every 100 under 14, well above the national average.
The census record tells a story of long decline: in 1951 Buja had 8,254 inhabitants; today (2026) it has 6,336 — 23.2% fewer.
Among the 134 municipalities of the province of Udine, Buja ranks 18 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 6461 |
| 2020 | 6440 |
| 2021 | 6364 |
| 2022 | 6337 |
| 2023 | 6327 |
| 2024 | 6333 |
| 2025 | 6353 |
| 2026 | 6336 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 3075 | 48.5% |
| Women | 3261 | 51.5% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 32 |
| 2022 | 31 |
| 2023 | 38 |
| 2024 | 41 |
| 2025 | 28 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 8254 |
| 1961 | 7383 |
| 1971 | 6436 |
| 1981 | 6568 |
| 1991 | 6608 |
| 2001 | 6674 |
| 2011 | 6627 |
| 2019 | 6461 |
| 2020 | 6440 |
| 2021 | 6364 |
| 2022 | 6337 |
| 2023 | 6327 |
| 2024 | 6333 |
| 2025 | 6353 |
| 2026 | 6336 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 5514 | 43.4% |
| Married | 5436 | 42.8% |
| Divorced | 596 | 4.7% |
| Widowed | 1160 | 9.1% |
School-Age Population (2026)
Total 0-18 years: 845
| Valore | |
|---|---|
| Nido (0-2) | 104 |
| Infanzia (3-5) | 112 |
| Primaria (6-10) | 210 |
| Medie (11-13) | 136 |
| Superiori (14-18) | 283 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Buja population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/buja-030013" title="Population pyramid of Buja — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/buja-030013" alt="Population pyramid of Buja — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>