Grassano: 4530 inhabitants (2026)
ISTAT Code: 077011
40.6335°N, 16.2843°E
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Population & demographics
All demographic data for Grassano: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Grassano.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Grassano.
Grassano is a small municipality in the province of Matera, Basilicata region. With a population of 4530 inhabitants and a density of 111 per km², it covers an area of 40.8 km². The average declared income is 17.504 €.
Grassano in numbers: the analysis
The census record tells a story of long decline: in 1951 Grassano had 8,418 inhabitants; today (2026) it has 4,530 — 46.2% fewer.
The ageing index is one of the starkest signals: in Grassano there are 282 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 3,258 inhabitants for Grassano: an expected decline of 28.1% from today.
Among the 31 municipalities of the province of Matera, Grassano ranks 12 by population.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 4987 |
| 2020 | 4928 |
| 2021 | 4865 |
| 2022 | 4788 |
| 2023 | 4736 |
| 2024 | 4655 |
| 2025 | 4578 |
| 2026 | 4530 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 2258 | 49.8% |
| Women | 2272 | 50.2% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 28 |
| 2022 | 31 |
| 2023 | 30 |
| 2024 | 27 |
| 2025 | 31 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 8418 |
| 1961 | 8206 |
| 1971 | 6755 |
| 1981 | 6261 |
| 1991 | 6065 |
| 2001 | 5792 |
| 2011 | 5395 |
| 2019 | 4987 |
| 2020 | 4928 |
| 2021 | 4865 |
| 2022 | 4788 |
| 2023 | 4736 |
| 2024 | 4655 |
| 2025 | 4578 |
| 2026 | 4530 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 3748 | 40.9% |
| Married | 4466 | 48.8% |
| Divorced | 200 | 2.2% |
| Widowed | 742 | 8.1% |
School-Age Population (2026)
Total 0-18 years: 650
| Valore | |
|---|---|
| Nido (0-2) | 89 |
| Infanzia (3-5) | 87 |
| Primaria (6-10) | 144 |
| Medie (11-13) | 108 |
| Superiori (14-18) | 222 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Grassano population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/grassano-077011" title="Population pyramid of Grassano — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/grassano-077011" alt="Population pyramid of Grassano — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>