Castillon-en-Couserans is older than 98% of compared French towns: a median age of 58.9
Where 12% of households rent social housing (HLM) in the typical compared French town, Castillon-en-Couserans has 4%. Census day 2023: 428 residents and 230 households in the town. Roughly one in ten: one in ten households are couples with children. On households headed by a manual worker, Castillon-en-Couserans sits lower than 83% of compared French towns: 8.9%.
Throughout this page, the Ariège median and the France median are the median of compared communes (those with an overall grade), each figure its own median. Source: INSEE, census 2023.
What stands out about the people of Castillon-en-Couserans
One home in three is a second home
The census counted 160 second homes and occasional dwellings in Castillon-en-Couserans, 39% of its 410 homes: higher than in 96% of compared French towns. 90% of them are houses. Their owners live elsewhere, so they aren’t in the population figures on this page. Homes & cars ↓
An older town
Half of Castillon-en-Couserans’ residents are under 58.9 and half over; the median of compared French towns is 44. 41% are 65 or older (France median 22%), 20% 80 or older. Ages ↓
Many people living alone
53% of Castillon-en-Couserans’ households are one person: higher than in 97% of compared French towns; 30% of residents 65 and over live alone. Households ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
A larger share of second homes than 96% of compared French towns: 39%
Every home the census counted: main residences, second homes and occasional dwellings (INSEE counts them together), and empty homes. Owning and renting are on Cost of living.
All homes · share of homes
Type of home
Cars per household · share of households
Of all households, 18% moved in during the last two years and 18% have stayed three decades or more. 14% of households have no car, a higher share than in 64% of compared French towns. Second homes: 2.1% in the typical compared French town, for comparison. Car-free households: one in seven, where the median compared French town has 11%.
±0% since 2012, a pace below 70% of compared French towns
Residents at INSEE’s last three censuses, each recast in the 2026 commune boundaries. France has no yearly estimate by commune between censuses.
2012 to 2023
2017 to 2023
Over the same years the median compared French town changed +5%, the median Ariège town +2%. From 2012 to 2017 the change was −7%; from 2017 to 2023, +7%.
Castillon-en-Couserans ranks above 98% of compared French towns on residents aged 65 and over: 41%
Shares of residents by age at the 2023 census.
Age groups · share of residents
Median age of the 3,798 compared French towns
■ Castillon-en-Couserans 58.9. The median compared French town: 44.
Against a figure of 11% in the typical compared French town, the share of residents aged 15 to 24 in Castillon-en-Couserans comes in at 3.8%. Set beside that, 22% of residents are 65 or over in the typical compared French town.
Women and men · all residents
55% women, 45% men
About 83 men for every 100 women. Median share of women: Ariège 52.2%, France 51.8%. Women live longer than men, so towns with many older residents have more women.
One-person households: 53%, a higher share than 97% of compared French towns
A household is everyone who shares a main home (résidence principale). Household types come from INSEE’s fuller sample of a quarter of census forms.
Against the Ariège median and the France median
Living alone · share
Where 10% of households are single parents in the typical compared French town, Castillon-en-Couserans has 4.3%. Against that, 35% of households are one person living alone in the typical compared French town. There are 1.7 people in the average household.
A typical living standard of €21,350 a year
The standard of living (niveau de vie) is a household’s disposable income after taxes and benefits, divided by its consumption units (UC) to allow for its size and make-up: 1 for the first adult, 0.5 for each other person 14 or older, 0.3 for each child under 14.
Medians of compared communes. Source: INSEE, Filosofi 2023.
Half of Castillon-en-Couserans’ residents live in households with a standard of living below €21,350 a year per consumption unit, and half above: lower than in 92% of compared French towns.
Above 65% of compared French towns: 35% of households are headed by a retired person
Households by the socio-professional group (PCS) of their reference person, INSEE’s own categories. Jobs and commuting are on the Work & commute page.
Households by reference person’s group · share of households
On the census count, 8.7% of households are headed by a manager or professional. Households headed by a retired person: 32% in the typical compared French town, for comparison.
Each household is counted once, by the occupation of its reference person (usually the oldest working adult).
Only 2.3% of residents are foreign nationals in Castillon-en-Couserans
INSEE publishes two measures, which overlap but aren’t the same. Neither is the UK’s “born abroad”.
Share of residents · census 2023
Immigrant (immigré)
Born abroad, not French at birth. Someone stays an immigrant after becoming French. A French citizen born abroad (for example in Algeria before 1962) is not one.
Foreign national (étranger)
Not a French citizen today, wherever born. A child born in France to foreign parents can be a foreign national without being an immigrant.
Immigrants make up a share lower than in 58% of compared French towns; the median compared commune in Ariège has 9.1%. The benchmark for foreign nationals in the typical compared French town: 4.3%. About one in 18: that is how common immigrants are in Castillon-en-Couserans (5.6%).
INSEE publishes no country of birth or ethnicity by commune in these tables, and the census doesn’t ask about religion.
In Castillon-en-Couserans, 30% of residents 15 and over are married, fewer than in 98% of compared French towns
Residents 15 and over by how they live: the census asks both the legal status and whether people live as a couple.
Residents 15 and over · share
29% of residents 15 and over are single (typical compared French town: 25%). Married residents make up 43% in the typical compared French town.
26% of adults out of school hold a higher-education qualification, fewer than in 66% of compared French towns
Highest diploma of residents 15 and over who have left education, in French terms: the levels don’t map one-to-one to UK or U.S. ones.
Highest diploma · 15 and over, out of education
The share of adults with no qualification stands at 20%. As a yardstick, 30% of adults out of school hold a higher-education qualification in the typical compared French town.
Ranked by age, 4th oldest of 41 French towns this size
The 40 compared French towns nearest in population, by median age. Hover for each one’s second homes and immigrants; click for its page.
Ages run from 37.2 in Villejust to 62.3 in Prayssac.
Castillon-en-Couserans and the towns around it
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
| Town | Median age | 65+ | Second homes | Immigrants |
|---|---|---|---|---|
| Castillon-en-Couserans | 58.9 | 41% | 39% | 5.6% |
| Saint-Girons 6,008 · 7 mi | 51.9 | 33% | 6.7% | 9.1% |
Health, work, housing and schools
What this data can and can’t tell you
- Census 2023. INSEE’s census is a rolling survey: a fifth of small communes each year, 8% of homes in large ones each year. “2023” pools the surveys of 2021 to 2025, so the figures describe the town around 2023, not on one day.
- Medians of compared communes. The comparisons are the median of the département’s compared communes and of France’s (those with an overall grade), each figure its own median: not the total for the département or for France, which large cities pull towards their own figures.
- Immigrants and foreign nationals. INSEE’s two measures: an immigrant was born abroad without French nationality; a foreign national isn’t French today. Neither is a count of people born abroad, which INSEE doesn’t publish by commune.
- Second homes. Homes used for holidays or weekends, with occasional dwellings (kept for work, for example), which INSEE counts together. Their owners are counted where they live, not here.
- Standard of living. INSEE’s Filosofi: disposable income per consumption unit, from tax and benefit files, 2023. The poverty rate is the share of residents below 60% of France’s median. Not published for the smallest communes.
- What France doesn’t ask. The French census asks nothing about ethnicity, religion, language or health, so this page has no such section.
Questions about who lives in Castillon-en-Couserans
What is the population of Castillon-en-Couserans?
428 at INSEE’s 2023 census, about the same as in 2012 (428).
How old are Castillon-en-Couserans’ residents?
The median age is 58.9, older than 98% of compared French towns. 12% are under 18 and 41% 65 or older.
How many second homes are there in Castillon-en-Couserans?
160, with occasional dwellings: 39% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Castillon-en-Couserans?
INSEE counts 24 immigrants (born abroad, not French at birth), 5.6% of residents, and 10 foreign nationals (2.3%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Castillon-en-Couserans?
€21,350 a year per consumption unit in 2023 (median of compared French towns €25,970). Source: INSEE, Filosofi.
Sources: INSEE, census 2023 (population, ages, households, homes, marital status, diplomas, immigrants, foreign nationals, employment), 2026 geography · INSEE, Filosofi 2023 (standard of living, poverty) · IGN Admin Express (boundaries) · Medians and percentiles: TownRatings, over compared French towns, updated November 8, 2026. Under the Licence Ouverte / Open Licence 2.0 (Etalab).
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.