43% of households are couples with children, more than in 99% of compared French towns
In the typical compared French town, 30% of homes are flats; in Hérissart, 1%. Lower than in 91% of compared French towns: 8.2% of residents are 15 to 24. There were 290 households here at the 2023 Census, home to 764 residents. The share of households without a car stands at 2.4%.
Throughout this page, the Somme 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 Hérissart
A town of families
43% of households are couples with children and 0% single parents with children; 24% of residents are under 15. Households ↓
Growing fast
Hérissart had 603 residents at the 2012 census and 764 in 2023, up 27%: faster growth than in 95% of compared French towns. Population ↓
A young town
Half of Hérissart’s residents are under 38.7 and half over; the median of compared French towns is 44. 24% are under 15 and 17% are 65 or older. Ages ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
Hérissart grew +27% from 2012 to 2023, faster than 95% 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
From 2012 to 2017 the change was +2%; from 2017 to 2023, +24%. Over the same years the median compared French town changed +5%, the median Somme town −3%.
A median age of 38.7: Hérissart is younger than 85% of compared French towns
Shares of residents by age at the 2023 census.
Age groups · share of residents
Median age of the 3,798 compared French towns
■ Hérissart 38.7. The median compared French town: 44.
In Hérissart, 17% of residents are 65 or over, beside 22% in the typical compared French town.
Women and men · all residents
49% women, 51% men
About 105 men for every 100 women. Median share of women: Somme 52.5%, France 51.8%.
Only 17% of households are one person living alone in Hérissart
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 Somme median and the France median
Living alone · share
Average household size: 2.6 people. As a yardstick, just over a third of households are one person living alone in the typical compared French town. Single-parent households are rarer here than in 99% of compared French towns.
7.3% of homes stand empty, more than in 57% 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. The wider picture: 6.7% of homes stand empty in the typical compared French town.
A median of €28,180 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.
At €28,180 a year per consumption unit, the median standard of living here is higher than in 72% of compared French towns.
Households headed by a manual worker: 7.3%, a lower share than 90% of compared French towns
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
Compared with 9.4% in the typical compared French town, just over one in ten households are headed by a manager or professional here. 27% of households are headed by a retired person, a lower share than in 78% of compared French towns. In the typical compared French town, the share of households headed by a manual worker is 14%.
Each household is counted once, by the occupation of its reference person (usually the oldest working adult).
Hérissart ranks below 99% of compared French towns on immigrants: 0.5%
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 figure for foreign nationals is 0.3% in Hérissart and 4.3% in the typical compared French town. Typically, 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.
Hérissart sits below 99% of compared French towns for single residents (15%)
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
By its share of married residents (50%), Hérissart is above 90% of compared French towns. To put it in context, 25% of residents 15 and over are single in the typical compared French town.
Hérissart ranks below 80% of compared French towns on adults with no qualification: 14%
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 graduates of higher education is 35%, against 30% in the typical compared French town. In the typical compared French town, 19% of adults out of school have no qualification.
Ranked by age, 2nd youngest 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.
At the ends of the range sit Villejust (37.2), the youngest, and Prayssac (62.3), the oldest.
Around Hérissart, 5 of 6 towns have a higher median age
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 Hérissart
What is the population of Hérissart?
764 at INSEE’s 2023 census, 27% more than in 2012 (603).
How old are Hérissart’s residents?
The median age is 38.7, younger than 85% of compared French towns. 27% are under 18 and 17% 65 or older.
How many second homes are there in Hérissart?
0, with occasional dwellings: 0% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Hérissart?
INSEE counts 4 immigrants (born abroad, not French at birth), 0.5% of residents, and 2 foreign nationals (0.3%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Hérissart?
€28,180 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 9, 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.