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Population & demographics
All demographic data for Adelfia: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Adelfia.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Adelfia.
Adelfia is a medium-sized municipality in the province of Bari, Puglia region. With a population of 16.371 inhabitants and a density of 556 per km², it covers an area of 29.5 km². The average declared income is 19.519 €.
Adelfia in numbers: the analysis
Adelfia has grown substantially since 1951: from 10,066 inhabitants then to 16,371 in 2026, an increase of 62.6%.
The generational balance is in line with the norm: the ageing index of Adelfia is 200 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 15,251 inhabitants for Adelfia: an expected decline of 6.8% from today.
Compared with the provincial average of Bari (about 29,709 residents per municipality), Adelfia is a markedly smaller centre.
Among the 41 municipalities of the province of Bari, Adelfia ranks 27 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 16.713 |
| 2020 | 16.659 |
| 2021 | 16.547 |
| 2022 | 16.554 |
| 2023 | 16.518 |
| 2024 | 16.473 |
| 2025 | 16.436 |
| 2026 | 16.371 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 8044 | 49.1% |
| Women | 8327 | 50.9% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 113 |
| 2022 | 130 |
| 2023 | 99 |
| 2024 | 105 |
| 2025 | 100 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 10.066 |
| 1961 | 9535 |
| 1971 | 10.034 |
| 1981 | 10.931 |
| 1991 | 14.779 |
| 2001 | 16.245 |
| 2011 | 17.101 |
| 2019 | 16.713 |
| 2020 | 16.659 |
| 2021 | 16.547 |
| 2022 | 16.554 |
| 2023 | 16.518 |
| 2024 | 16.473 |
| 2025 | 16.436 |
| 2026 | 16.371 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 13.254 | 40.3% |
| Married | 16.448 | 50.0% |
| Divorced | 962 | 2.9% |
| Widowed | 2208 | 6.7% |
School-Age Population (2026)
Total 0-18 years: 2557
| Valore | |
|---|---|
| Nido (0-2) | 312 |
| Infanzia (3-5) | 369 |
| Primaria (6-10) | 637 |
| Medie (11-13) | 461 |
| Superiori (14-18) | 778 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Adelfia population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/adelfia-072002" title="Population pyramid of Adelfia — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/adelfia-072002" alt="Population pyramid of Adelfia — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>