Lerma: 797 inhabitants (2026)
ISTAT Code: 006088
44.6350°N, 8.7125°E
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Population & demographics
All demographic data for Lerma: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Lerma.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Lerma.
Lerma is a small municipality in the province of Alessandria, Piemonte region. With a population of 797 inhabitants and a density of 55 per km², it covers an area of 14.6 km². The average declared income is 23.357 €.
Lerma in numbers: the analysis
Among the 187 municipalities of the province of Alessandria, Lerma ranks 86 by population.
The census record tells a story of long decline: in 1951 Lerma had 1,159 inhabitants; today (2026) it has 797 — 31.2% fewer.
The ageing index is one of the starkest signals: in Lerma there are 527 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 699 inhabitants for Lerma: an expected decline of 12.3% from today.
Compared with the provincial average of Alessandria (about 2,182 residents per municipality), Lerma is a markedly smaller centre.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 828 |
| 2020 | 819 |
| 2021 | 823 |
| 2022 | 801 |
| 2023 | 793 |
| 2024 | 799 |
| 2025 | 804 |
| 2026 | 797 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 381 | 47.8% |
| Women | 416 | 52.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 0 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 1159 |
| 1961 | 900 |
| 1971 | 732 |
| 1981 | 797 |
| 1991 | 738 |
| 2001 | 801 |
| 2011 | 873 |
| 2019 | 828 |
| 2020 | 819 |
| 2021 | 823 |
| 2022 | 801 |
| 2023 | 793 |
| 2024 | 799 |
| 2025 | 804 |
| 2026 | 797 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 542 | 33.7% |
| Married | 778 | 48.4% |
| Divorced | 118 | 7.3% |
| Widowed | 170 | 10.6% |
School-Age Population (2026)
Total 0-18 years: 81
| Valore | |
|---|---|
| Nido (0-2) | 7 |
| Infanzia (3-5) | 5 |
| Primaria (6-10) | 18 |
| Medie (11-13) | 13 |
| Superiori (14-18) | 38 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Lerma population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/lerma-006088" title="Population pyramid of Lerma — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/lerma-006088" alt="Population pyramid of Lerma — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>