Arco: 17.747 inhabitants (2026)
ISTAT Code: 022006
45.9193°N, 10.8862°E
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Population & demographics
All demographic data for Arco: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Arco.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Arco.
Arco is a medium-sized municipality in the province of Trento, Trentino-Alto Adige/Südtirol region. With a population of 17.747 inhabitants and a density of 280 per km², it covers an area of 63.4 km². The average declared income is 27.020 €.
Arco in numbers: the analysis
The generational balance is in line with the norm: the ageing index of Arco is 195 (over-65s per 100 under-14s).
Arco has grown substantially since 1951: from 10,154 inhabitants then to 17,747 in 2026, an increase of 74.8%.
By population, Arco ranks no. 5 among the 166 municipalities of the province of Trento.
Few municipalities in Trentino-Alto Adige/Südtirol are larger: it ranks no. 9 by population out of 282.
The average municipality in the province of Trento has about 3,305 residents: Arco has 5.4 times as many.
For 2050 the projections point to an essentially unchanged population: about 17,502 inhabitants.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 17.819 |
| 2020 | 17.933 |
| 2021 | 17.798 |
| 2022 | 17.691 |
| 2023 | 17.759 |
| 2024 | 17.754 |
| 2025 | 17.653 |
| 2026 | 17.747 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 8676 | 48.9% |
| Women | 9071 | 51.1% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 112 |
| 2022 | 129 |
| 2023 | 120 |
| 2024 | 96 |
| 2025 | 101 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 10.154 |
| 1961 | 10.418 |
| 1971 | 10.830 |
| 1981 | 11.737 |
| 1991 | 12.855 |
| 2001 | 14.511 |
| 2011 | 16.871 |
| 2019 | 17.819 |
| 2020 | 17.933 |
| 2021 | 17.798 |
| 2022 | 17.691 |
| 2023 | 17.759 |
| 2024 | 17.754 |
| 2025 | 17.653 |
| 2026 | 17.747 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 16.400 | 46.5% |
| Married | 14.618 | 41.4% |
| Divorced | 1978 | 5.6% |
| Widowed | 2310 | 6.5% |
School-Age Population (2026)
Total 0-18 years: 2950
| Valore | |
|---|---|
| Nido (0-2) | 329 |
| Infanzia (3-5) | 372 |
| Primaria (6-10) | 742 |
| Medie (11-13) | 539 |
| Superiori (14-18) | 968 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Arco population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/arco-022006" title="Population pyramid of Arco — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/arco-022006" alt="Population pyramid of Arco — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>