Explore related data
Jump from local statistics to linked rankings and territorial pages.
Region page
Open the full profile page for Umbria.
Province page
Open the full profile page for the province of Perugia.
Income overview
Explore the income map and the municipalities with the highest and lowest values.
Regional income ranking
View the municipalities in Umbria ranked by average income.
Provincial population ranking
View the municipalities in the province of Perugia ranked by population.
Compare this municipality
Open the comparison page with this municipality preselected.
Population & demographics
All demographic data for Costacciaro: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Costacciaro.
Environment & air quality
Air quality (PM2.5, PM10, NO2) and land consumption data for Costacciaro.
Costacciaro is a small municipality in the province of Perugia, Umbria region. With a population of 1020 inhabitants and a density of 25 per km², it covers an area of 41.1 km². The average declared income is 19.820 €.
Costacciaro in numbers: the analysis
The ageing index is one of the starkest signals: in Costacciaro there are 486 residents over 65 for every 100 under 14, well above the national average.
Demographic projections to 2050 estimate about 664 inhabitants for Costacciaro: an expected decline of 34.9% from today.
Compared with the provincial average of Perugia (about 10,779 residents per municipality), Costacciaro is a markedly smaller centre.
Among the 59 municipalities of the province of Perugia, Costacciaro ranks 49 by population.
The census record tells a story of long decline: in 1951 Costacciaro had 2,667 inhabitants; today (2026) it has 1,020 — 61.8% fewer.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1156 |
| 2020 | 1139 |
| 2021 | 1119 |
| 2022 | 1110 |
| 2023 | 1057 |
| 2024 | 1046 |
| 2025 | 1031 |
| 2026 | 1020 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 510 | 50.0% |
| Women | 510 | 50.0% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 0 |
| 2025 | 3 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2667 |
| 1961 | 2046 |
| 1971 | 1435 |
| 1981 | 1274 |
| 1991 | 1289 |
| 2001 | 1289 |
| 2011 | 1283 |
| 2019 | 1156 |
| 2020 | 1139 |
| 2021 | 1119 |
| 2022 | 1110 |
| 2023 | 1057 |
| 2024 | 1046 |
| 2025 | 1031 |
| 2026 | 1020 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 778 | 37.7% |
| Married | 952 | 46.2% |
| Divorced | 88 | 4.3% |
| Widowed | 244 | 11.8% |
School-Age Population (2026)
Total 0-18 years: 108
| Valore | |
|---|---|
| Nido (0-2) | 11 |
| Infanzia (3-5) | 15 |
| Primaria (6-10) | 19 |
| Medie (11-13) | 21 |
| Superiori (14-18) | 42 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Costacciaro population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/costacciaro-054016" title="Population pyramid of Costacciaro — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/costacciaro-054016" alt="Population pyramid of Costacciaro — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>