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Population & demographics
All demographic data for Mergo: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Mergo.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Mergo.
Mergo is a small municipality in the province of Ancona, Marche region. With a population of 970 inhabitants and a density of 131 per km², it covers an area of 7.4 km². The average declared income is 22.856 €.
Mergo in numbers: the analysis
The census record tells a story of long decline: in 1951 Mergo had 1,167 inhabitants; today (2026) it has 970 — 16.9% fewer.
The ageing index is one of the starkest signals: in Mergo there are 267 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 856 inhabitants for Mergo: an expected decline of 11.8% from today.
Compared with the provincial average of Ancona (about 9,822 residents per municipality), Mergo is a markedly smaller centre.
Among the 47 municipalities of the province of Ancona, Mergo ranks 45 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1006 |
| 2020 | 1010 |
| 2021 | 991 |
| 2022 | 1001 |
| 2023 | 1007 |
| 2024 | 984 |
| 2025 | 971 |
| 2026 | 970 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 479 | 49.4% |
| Women | 491 | 50.6% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 8 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 5 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1167 |
| 1961 | 993 |
| 1971 | 840 |
| 1981 | 845 |
| 1991 | 875 |
| 2001 | 970 |
| 2011 | 1083 |
| 2019 | 1006 |
| 2020 | 1010 |
| 2021 | 991 |
| 2022 | 1001 |
| 2023 | 1007 |
| 2024 | 984 |
| 2025 | 971 |
| 2026 | 970 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 820 | 42.2% |
| Married | 894 | 46.0% |
| Divorced | 52 | 2.7% |
| Widowed | 176 | 9.1% |
School-Age Population (2026)
Total 0-18 years: 136
| Valore | |
|---|---|
| Nido (0-2) | 16 |
| Infanzia (3-5) | 19 |
| Primaria (6-10) | 31 |
| Medie (11-13) | 21 |
| Superiori (14-18) | 49 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Mergo population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/mergo-042024" title="Population pyramid of Mergo — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/mergo-042024" alt="Population pyramid of Mergo — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>