Location map: Arronches
Municipality · PortalegreCoat of arms of ArronchesFlag of Arronches

Arronches: population and statistics

Arronches has a population of 2,841 (2025) across 314.6 km², or 9.0 people per km². It ranks 298 of 308 municipalities by population. Its population is growing: +4.0% between 2021 and 2025.

  • 2,841 residents
  • 314.6 km²
  • 9 people/km²
  • 271 m

Key points

Among the 15 municipalities in Portalegre, Arronches ranks No. 15 by population.

Largest business sector: Agriculture, forestry and fishing, with 41.0% of the area's businesses.

A 1 kWp solar panel tilted at 35° generates about 1,601 kWh a year here.

Arronches in numbers

Population
2,841
ranked 298 of 308 +4.0%
Population density
9people/km²
ranked 292 of 307
Area
315km²
ranked 102 of 308
Elevation
271m
ranked 106 of 308
Buildings
2,212
ranked 299 of 308
Population density (inhabitants per km²)
9.0inh./km²
ranked 292 of 307
Enterprises
383
ranked 292 of 308
Unemployment rate
4.7%
ranked 280 of 307

Where is Arronches?

Population of Arronches over time

2,7162,7632,8102,8572021: 2,7322022: 2,7682023: 2,7882024: 2,8092025: 2,841202120232025

Arronches had 2,732 residents in 2021 and 2,841 in 2025.

YearPopulation
20212,732
20222,768
20232,788
20242,809
20252,841

Did you know?

All indicators for Arronches

Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.

Population

IndicatorArronchesPortalegreNationalPositionRank
Population aged 65 and over (2025)29.9%29.4%26.9%ranked 111 of 307
Population under 15 (2025)11.9%11.8%11.7%ranked 133 of 307
Ageing index (older people per 100 young people) (2025)251.9–229.9ranked 129 of 307
Population density (inhabitants per km²) (2025)9.0 inh./km²–69.6 inh./km²ranked 292 of 307
Population change between 2021 and 2025 (2025)3.99%–4.50%ranked 170 of 307

Housing

IndicatorArronchesPortalegreNationalPositionRank
Buildings (2021)2,21267,4443,573,416ranked 299 of 308
Buildings built before 1946 (2021)30.1%23.9%12.8%ranked 18 of 307
Buildings built since 2001 (2021)14.9%13.2%16.8%ranked 211 of 307
Buildings in need of medium or extensive repair (2021)15.5%12.9%14.2%ranked 121 of 307
Conventional family dwellings (2021)2,52981,1175,970,677ranked 296 of 308
Dwellings used as secondary residences (2021)38.1%26.2%25.8%ranked 69 of 307
Vacant dwellings (2021)16.0%17.4%13.1%ranked 84 of 307
Owner-occupied usual residences (2021)70.1%72.2%77.8%ranked 253 of 307
Rented usual residences (2021)22.0%19.4%13.6%ranked 46 of 307
Usual residences in buildings with 3 or more dwellings (2021)8.1%21.0%13.8%ranked 219 of 307
Median selling price of housing per m² (2025)726 €/m²–1,108 €/m²ranked 219 of 305

Energy

IndicatorArronchesPortalegreNationalPositionRank
Usual residences without heating (2021)12.9%12.7%18.6%ranked 227 of 307
Usual residences with central heating (2021)3.7%4.8%12.6%ranked 265 of 307
Electricity consumption per inhabitant (2024)3,614 kWh/inh.4,687 kWh/inh.3,690 kWh/inh.ranked 164 of 307

Economy

IndicatorArronchesPortalegreNationalPositionRank
Enterprises (2023)38313,3281,510,274ranked 292 of 308
Enterprises per 1,000 inhabitants (2023)137.4123.1128.1ranked 115 of 307
Declared gross income per inhabitant (2024)11,197 €11,195 €10,553 €ranked 113 of 307
Purchasing power per capita (Portugal = 100) (2023)76.086.579.5ranked 186 of 307

Employment

IndicatorArronchesPortalegreNationalPositionRank
Unemployment rate (2021)4.7%7.6%7.0%ranked 280 of 307
Average monthly earnings of employees (2024)1,180 €–1,258 €ranked 226 of 307

Tourism

IndicatorArronchesPortalegreNationalPositionRank
Overnight stays in tourist accommodation (2025)12,569480,47582,011,658ranked 252 of 307
Overnight stays per 100 inhabitants (2025)444.9442.6275.0ranked 111 of 306

Education

IndicatorArronchesPortalegreNationalPositionRank
Population with completed higher education (2021)11.7%15.0%13.2%ranked 206 of 307

Sunshine and temperatures: Arronches

Annual solar output
1,601kWh
for 1 kWp tilted at 35°
Warmest month
26.5°C
August
Coldest month
8.4°C
January
Most productive month
169kWh
July

Jan: 103 kWhJanFeb: 113 kWhFebMar: 136 kWhMarApr: 140 kWhAprMay: 154 kWhMayJun: 154 kWhJunJul: 169 kWhJulAug: 167 kWhAugSep: 146 kWhSepOct: 123 kWhOctNov: 100 kWhNovDec: 95 kWhDec0 °CJan: 8.4 °CFeb: 9.8 °CMar: 12.2 °CApr: 15.0 °CMay: 19.2 °CJun: 23.0 °CJul: 26.3 °CAug: 26.5 °CSep: 22.6 °COct: 18.2 °CNov: 12.1 °CDec: 9.5 °C
Monthly solar output (kWh per 1 kWp)Average temperature (°C)

Business sectors: Arronches

Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.

Frequently asked questions

What is the population of Arronches?

Arronches has 2,841 residents (2025), ranking 298 of 308 municipalities.

How big is Arronches?

Arronches covers 314.6 km², with a density of 9 people per km².

Is the population of Arronches growing?

Between 2021 and 2025, the population of Arronches went from 2,732 to 2,841, a change of +4.0%.

Where is Arronches?

Arronches is in Portalegre. Latitude 39.117, longitude −7.283.

Buildings: what is the figure for Arronches?

In Arronches, “Buildings” stands at 2,212 (2021), ranking 299 of 308 municipalities; the national median is 7,916.

Population density (inhabitants per km²): what is the figure for Arronches?

In Arronches, “Population density (inhabitants per km²)” stands at 9.0 inh./km² (2025), ranking 292 of 307 municipalities; the national median is 69.6 inh./km².

How much electricity does a solar panel produce in Arronches?

In Arronches, a 1 kWp south-facing system tilted at 35° produces about 1,601 kWh a year.

Which municipalities border Arronches?

The nearest to Arronches are Monforte (15 km), Campo Maior (22 km), Portalegre (25 km), Elvas (28 km), Marvão (32 km).

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