Hénu ranks below 99% of compared French towns on flats: 2.9%
Where 32% of households are headed by a retired person in the typical compared French town, Hénu has 17%. There were 56 households in the town at the 2023 Census, home to 147 residents. The share of empty homes stands at 10%. The median age here is 39.8, lower than in four fifths of compared French towns.
Throughout this page, the Pas-de-Calais 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 Hénu
Fewer residents than in 2012
Hénu had 162 residents at the 2012 census and 147 in 2023, down 9%: slower growth than in 96% of compared French towns. Population ↓
A town of families
33% of households are couples with children and 8.3% single parents with children; 18% of residents are under 15. Households ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
A −9% change since 2012: slower than 96% 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
For comparison, the median compared French town changed +5% and the median Pas-de-Calais town −1%.
Hénu sits above 96% of compared French towns for residents aged 15 to 24 (15%)
Shares of residents by age at the 2023 census.
Age groups · share of residents
Median age of the 3,798 compared French towns
■ Hénu 39.8. The median compared French town: 44.
In the typical compared French town, the share of residents aged 65 and over is 22%; Hénu has 15%.
Women and men · all residents
44% women, 56% men
About 80 women for every 100 men. Median share of women: Pas-de-Calais 52.0%, France 51.8%.
Fewer one-person households than 94% of compared French towns: 25%
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 Pas-de-Calais median and the France median
Living alone · share
10% of households are single parents in the typical compared French town, against 8.3% in Hénu. Still, this Pas-de-Calais town has more couples with children than 88% of compared French towns, at 33%. Measured more widely, just over a third of households are one person living alone in the typical compared French town. On average, 2.6 people share a household.
Second homes make up 5.9% in Hénu, more than in 80% of compared French towns
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. Measured more widely, 2.1% of homes are second homes in the typical compared French town. In the last two years, 6.9% of households moved in; at the other end, 29% have stayed 30 years or more. One household in 10 has no car (median compared French town: 11%).
At the median, €21,710 a year to live on
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.
The median standard of living in Hénu is €21,710 a year per consumption unit: lower than in 90% of compared French towns.
Above 99% of compared French towns: 42% of households are headed by a manual worker
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
Each household is counted once, by the occupation of its reference person (usually the oldest working adult).
Hénu ranks below 74% of compared French towns on immigrants: 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.
The share of foreign nationals tops 59% of compared French towns: 5.3%. Immigrants: 6.5% in the typical compared French town, for comparison.
INSEE publishes no country of birth or ethnicity by commune in these tables, and the census doesn’t ask about religion.
Hénu sits below 67% of compared French towns for single residents (23%)
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
Married residents make up 45%, against 43% in the typical compared French town. Typically, 25% of residents 15 and over are single in the typical compared French town.
Graduates of higher education: 17%, a lower share than 93% 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
20% of adults out of school have no qualification, a higher share than in 56% of compared French towns. The benchmark for graduates of higher education in the typical compared French town: 30%.
41 French towns of 147 to 2,582 people: this is the 2nd youngest
The 40 compared French towns nearest in population, by median age. Hover for each one’s second homes and immigrants; click for its page.
Villejust is the youngest (37.2); Prayssac the oldest (62.3).
Every neighbor is older than Hénu
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
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 Hénu
What is the population of Hénu?
147 at INSEE’s 2023 census, 9% fewer than in 2012 (162).
How old are Hénu’s residents?
The median age is 39.8, younger than 80% of compared French towns. 23% are under 18 and 15% 65 or older.
How many second homes are there in Hénu?
4, with occasional dwellings: 5.9% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Hénu?
INSEE counts 6 immigrants (born abroad, not French at birth), 4% of residents, and 8 foreign nationals (5.3%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Hénu?
€21,710 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.