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Population & demographics
All demographic data for Spessa: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Spessa.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Spessa.
Spessa is a small municipality in the province of Pavia, Lombardia region. With a population of 567 inhabitants and a density of 46 per km², it covers an area of 12.3 km². The average declared income is 22.478 €.
Spessa in numbers: the analysis
The census record tells a story of long decline: in 1951 Spessa had 637 inhabitants; today (2026) it has 567 — 11% fewer.
The generational balance is in line with the norm: the ageing index of Spessa is 242 (over-65s per 100 under-14s).
For 2050 the projections point to an essentially unchanged population: about 595 inhabitants.
Compared with the provincial average of Pavia (about 2,951 residents per municipality), Spessa is a markedly smaller centre.
Among the 185 municipalities of the province of Pavia, Spessa ranks 142 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 559 |
| 2020 | 524 |
| 2021 | 536 |
| 2022 | 554 |
| 2023 | 547 |
| 2024 | 552 |
| 2025 | 560 |
| 2026 | 567 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 271 | 47.8% |
| Women | 296 | 52.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 6 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 4 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 637 |
| 1961 | 525 |
| 1971 | 398 |
| 1981 | 389 |
| 1991 | 468 |
| 2001 | 525 |
| 2011 | 602 |
| 2019 | 559 |
| 2020 | 524 |
| 2021 | 536 |
| 2022 | 554 |
| 2023 | 547 |
| 2024 | 552 |
| 2025 | 560 |
| 2026 | 567 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 470 | 42.0% |
| Married | 516 | 46.1% |
| Divorced | 52 | 4.6% |
| Widowed | 82 | 7.3% |
School-Age Population (2026)
Total 0-18 years: 84
| Valore | |
|---|---|
| Nido (0-2) | 11 |
| Infanzia (3-5) | 19 |
| Primaria (6-10) | 20 |
| Medie (11-13) | 9 |
| Superiori (14-18) | 25 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Spessa population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/spessa-018152" title="Population pyramid of Spessa — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/spessa-018152" alt="Population pyramid of Spessa — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>