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Population & demographics
All demographic data for Atessa: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Atessa.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Atessa.
Atessa is a medium-sized municipality in the province of Chieti, Abruzzo region. With a population of 10.208 inhabitants and a density of 93 per km², it covers an area of 109.2 km². The average declared income is 21.081 €.
Atessa in numbers: the analysis
The census record tells a story of long decline: in 1951 Atessa had 10,903 inhabitants; today (2026) it has 10,208 — 6.4% fewer.
The generational balance is in line with the norm: the ageing index of Atessa is 214 (over-65s per 100 under-14s).
Demographic projections to 2050 estimate about 9,017 inhabitants for Atessa: an expected decline of 11.7% from today.
The average municipality in the province of Chieti has about 3,549 residents: Atessa has 2.9 times as many.
Few municipalities in Abruzzo are larger: it ranks no. 25 by population out of 305.
By population, Atessa ranks no. 8 among the 104 municipalities of the province of Chieti.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 10.584 |
| 2020 | 10.566 |
| 2021 | 10.443 |
| 2022 | 10.441 |
| 2023 | 10.349 |
| 2024 | 10.319 |
| 2025 | 10.264 |
| 2026 | 10.208 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 5037 | 49.3% |
| Women | 5171 | 50.7% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 61 |
| 2022 | 66 |
| 2023 | 74 |
| 2024 | 72 |
| 2025 | 50 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 10.903 |
| 1961 | 9807 |
| 1971 | 9276 |
| 1981 | 10.130 |
| 1991 | 10.215 |
| 2001 | 10.388 |
| 2011 | 10.761 |
| 2019 | 10.584 |
| 2020 | 10.566 |
| 2021 | 10.443 |
| 2022 | 10.441 |
| 2023 | 10.349 |
| 2024 | 10.319 |
| 2025 | 10.264 |
| 2026 | 10.208 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 8380 | 40.8% |
| Married | 9974 | 48.6% |
| Divorced | 512 | 2.5% |
| Widowed | 1662 | 8.1% |
School-Age Population (2026)
Total 0-18 years: 1614
| Valore | |
|---|---|
| Nido (0-2) | 193 |
| Infanzia (3-5) | 211 |
| Primaria (6-10) | 457 |
| Medie (11-13) | 271 |
| Superiori (14-18) | 482 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Atessa population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/atessa-069005" title="Population pyramid of Atessa — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/atessa-069005" alt="Population pyramid of Atessa — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>