Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Campania.
Province page
Open the full profile page for the province of Avellino.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Campania ranked by average income.
Provincial population ranking
View the municipalities in the province of Avellino ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Mercogliano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Mercogliano.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Mercogliano.
Mercogliano is a medium-sized municipality in the province of Avellino, Campania region. With a population of 11.416 inhabitants and a density of 579 per km², it covers an area of 19.7 km². The average declared income is 24.075 €.
Mercogliano in numbers: the analysis
The average municipality in the province of Avellino has about 3,331 residents: Mercogliano has 3.4 times as many.
By population, Mercogliano ranks no. 5 among the 118 municipalities of the province of Avellino.
Mercogliano has grown substantially since 1951: from 3,984 inhabitants then to 11,416 in 2026, an increase of 186.5%.
The generational balance is in line with the norm: the ageing index of Mercogliano is 226 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 9,204 inhabitants for Mercogliano: an expected decline of 19.4% from today.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 12.156 |
| 2020 | 12.021 |
| 2021 | 11.653 |
| 2022 | 11.635 |
| 2023 | 11.557 |
| 2024 | 11.568 |
| 2025 | 11.477 |
| 2026 | 11.416 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 5568 | 48.8% |
| Women | 5848 | 51.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 65 |
| 2022 | 65 |
| 2023 | 71 |
| 2024 | 68 |
| 2025 | 78 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 3984 |
| 1961 | 4119 |
| 1971 | 4452 |
| 1981 | 6307 |
| 1991 | 9675 |
| 2001 | 11.755 |
| 2011 | 12.403 |
| 2019 | 12.156 |
| 2020 | 12.021 |
| 2021 | 11.653 |
| 2022 | 11.635 |
| 2023 | 11.557 |
| 2024 | 11.568 |
| 2025 | 11.477 |
| 2026 | 11.416 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 9672 | 42.1% |
| Married | 11.216 | 48.9% |
| Divorced | 544 | 2.4% |
| Widowed | 1522 | 6.6% |
School-Age Population (2026)
Total 0-18 years: 1713
| Valore | |
|---|---|
| Nido (0-2) | 225 |
| Infanzia (3-5) | 213 |
| Primaria (6-10) | 393 |
| Medie (11-13) | 298 |
| Superiori (14-18) | 584 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Mercogliano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/mercogliano-064049" title="Population pyramid of Mercogliano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/mercogliano-064049" alt="Population pyramid of Mercogliano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>