Acqui Terme: 19.017 inhabitants (2026)
ISTAT Code: 006001
44.6766°N, 8.4698°E
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Population & demographics
All demographic data for Acqui Terme: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Acqui Terme.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Acqui Terme.
Acqui Terme is a medium-sized municipality in the province of Alessandria, Piemonte region. With a population of 19.017 inhabitants and a density of 576 per km², it covers an area of 33.0 km². The average declared income is 24.265 €.
Acqui Terme in numbers: the analysis
Acqui Terme has grown substantially since 1951: from 16,245 inhabitants then to 19,017 in 2026, an increase of 17.1%.
By population, Acqui Terme ranks no. 5 among the 187 municipalities of the province of Alessandria.
Few municipalities in Piemonte are larger: it ranks no. 33 by population out of 1180.
The average municipality in the province of Alessandria has about 2,182 residents: Acqui Terme has 8.7 times as many.
Demographic projections to 2050 estimate about 16,338 inhabitants for Acqui Terme: an expected decline of 14.1% from today.
The ageing index is one of the starkest signals: in Acqui Terme there are 329 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 19.878 |
| 2020 | 19.845 |
| 2021 | 19.223 |
| 2022 | 19.043 |
| 2023 | 19.010 |
| 2024 | 18.972 |
| 2025 | 19.005 |
| 2026 | 19.017 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 8998 | 47.3% |
| Women | 10.019 | 52.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 74 |
| 2022 | 103 |
| 2023 | 94 |
| 2024 | 100 |
| 2025 | 89 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 16.245 |
| 1961 | 18.407 |
| 1971 | 21.802 |
| 1981 | 21.736 |
| 1991 | 20.357 |
| 2001 | 19.184 |
| 2011 | 20.054 |
| 2019 | 19.878 |
| 2020 | 19.845 |
| 2021 | 19.223 |
| 2022 | 19.043 |
| 2023 | 19.010 |
| 2024 | 18.972 |
| 2025 | 19.005 |
| 2026 | 19.017 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 15.172 | 39.9% |
| Married | 16.816 | 44.2% |
| Divorced | 2236 | 5.9% |
| Widowed | 3786 | 10.0% |
School-Age Population (2026)
Total 0-18 years: 2483
| Valore | |
|---|---|
| Nido (0-2) | 291 |
| Infanzia (3-5) | 305 |
| Primaria (6-10) | 613 |
| Medie (11-13) | 442 |
| Superiori (14-18) | 832 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Acqui Terme population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/acqui-terme-006001" title="Population pyramid of Acqui Terme — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/acqui-terme-006001" alt="Population pyramid of Acqui Terme — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>