Residents aged 15 to 24 make up 4.4% in Cachen, less than in 99% of compared French towns
Flats: 2.7% here and 30% in the typical compared French town. Households without a car: 2.8% of the total. Cachen has fewer couples with children than 64% of compared French towns, at 22%. The 2023 Census put the town’s population at 233, in 110 households.
Throughout this page, the Landes 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 Cachen
One home in seven is a second home
The census counted 23 second homes and occasional dwellings in Cachen, 15% of its 150 homes: higher than in 91% of compared French towns. 100% of them are houses. Their owners live elsewhere, so they aren’t in the population figures on this page. Homes & cars ↓
Empty homes
The census found 20 homes empty (13%): for sale, to let, awaiting work or simply unused. Homes & cars ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
Above 91% of compared French towns: 15% of homes are second homes
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
Households in social housing are rarer here than in 99% of compared French towns. As a yardstick, 2.1% of homes are second homes in the typical compared French town. About one in eight: that is how common empty homes are in Cachen (13%).
Cachen’s population moved +2% on 2012, less than in 62% 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
The first five years brought −1%; the six to 2023, +3%. For comparison, the median compared French town changed +5% and the median Landes town +9%.
Cachen is older than 85% of compared French towns: a median age of 50.6
Shares of residents by age at the 2023 census.
Age groups · share of residents
Median age of the 3,798 compared French towns
■ Cachen 50.6. The median compared French town: 44.
Set against 22% in the typical compared French town, 29% of residents are 65 or over in Cachen.
Women and men · all residents
49% women, 51% men
About 105 men for every 100 women. Median share of women: Landes 51.9%, France 51.8%.
A smaller share of single-parent households than 99% of compared French towns: 4.5%
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 Landes median and the France median
Living alone · share
On average, 2.1 people share a household. Typically, 10% of households are single parents in the typical compared French town. At 37%, the share of one-person households is higher than in 57% of compared French towns.
The median resident lives on €23,440 a year per consumption unit
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.
Per consumption unit, half of residents live on more than €23,440 a year: lower than in 78% of compared French towns.
A larger share of households headed by a retired person than 99% of compared French towns: 55%
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
The figure for households headed by a manual worker is 18% in Cachen and 14% in the typical compared French town. In the typical compared French town, 32% of households are headed by a retired person.
Each household is counted once, by the occupation of its reference person (usually the oldest working adult).
Cachen sits below 69% of compared French towns for immigrants (4.4%)
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.
Census figures put foreign nationals at 3.5% in Cachen. To put it in context, 6.5% of residents are immigrants in the typical compared French town.
INSEE publishes no country of birth or ethnicity by commune in these tables, and the census doesn’t ask about religion.
Cachen ranks below 99% of compared French towns on single residents: 16%
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
With married residents at 48%, Cachen is ahead of 84% of compared French towns on that count. Set beside that, a quarter of residents 15 and over are single in the typical compared French town.
A lower share of graduates of higher education than 71% of compared French towns, at 24%
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
In Cachen, 18% of adults out of school have no qualification. Measured more widely, 30% of adults out of school hold a higher-education qualification in the typical compared French town.
The 12th oldest of 41 French towns of 233 to 2,582 people
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.
No nearby town is as old as Cachen
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
| Town | Median age | 65+ | Second homes | Immigrants |
|---|---|---|---|---|
| Cachen | 50.6 | 29% | 15% | 4.4% |
| Mont-de-Marsan 31,592 · 13.2 mi | 42.8 | 22% | 2.9% | 9.3% |
| Villeneuve-de-Marsan 2,508 · 13.8 mi | 48.9 | 29% | 2.7% | 4.2% |
| Saint-Pierre-du-Mont 10,092 · 14.4 mi | 44.5 | 22% | 2.2% | 10% |
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 Cachen
What is the population of Cachen?
233 at INSEE’s 2023 census, 2% more than in 2012 (229).
How old are Cachen’s residents?
The median age is 50.6, older than 85% of compared French towns. 20% are under 18 and 29% 65 or older.
How many second homes are there in Cachen?
23, with occasional dwellings: 15% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Cachen?
INSEE counts 10 immigrants (born abroad, not French at birth), 4.4% of residents, and 8 foreign nationals (3.5%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Cachen?
€23,440 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 4, 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.