Gannes sits below 99% of compared French towns for households headed by a retired person (13%)
Half of Gannes’s residents are under 39.2, younger than in 83% of compared French towns. In 2023, the Census found 365 residents in the town, living in 150 households. Locally, 2.7% of households rent social housing (HLM). Where 11% of households have no car in the typical compared French town, Gannes has 7.3%.
Throughout this page, the Oise 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 Gannes
A town of families
33% of households are couples with children and 17% single parents with children; 21% of residents are under 15. Households ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
Gannes changed by +5% from 2012 to 2023, slower than 51% 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
In two steps, −3% to 2017 and +7% after, the town’s change compares with +5% for the median compared French town and +2% in Oise.
16% of residents are 65 or over, fewer than in 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
■ Gannes 39.2. The median compared French town: 44.
The share of residents aged 15 to 24 is 12%, against 11% in the typical compared French town. In the typical compared French town, 22% of residents are 65 or over.
Women and men · all residents
48% women, 52% men
About 107 men for every 100 women. Median share of women: Oise 51.7%, France 51.8%.
A higher share of single-parent households than 98% of compared French towns, at 17%
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 Oise median and the France median
Living alone · share
A quarter of households are couples with children in the typical compared French town, against 33% in Gannes. Put another way, about one in three: 30% of households are one person living alone. As a reference point, 10% of households are single parents in the typical compared French town.
100% of homes are houses
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
One household in 14 has no car, against 11% in the median compared French town. Recent arrivals (under two years) make up 6% of households; long-stayers (30 years or more) 22%. Flats are rarer here than in 99% of compared French towns.
Median living standard: €27,030 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.
Per consumption unit, half of residents live on more than €27,030 a year: higher than in 61% of compared French towns.
Households headed by a manual worker make up 20% in Gannes, more than in 83% 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
Nearly one in ten households are headed by a manager or professional in the typical compared French town, against 6.7% in Gannes. The wider picture: 14% of households are headed by a manual worker in the typical compared French town.
Each household is counted once, by the occupation of its reference person (usually the oldest working adult).
1.4% of residents are immigrants, below 97% of compared French towns
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.
Against a figure of 4.3% in the typical compared French town, the share of foreign nationals in Gannes comes in at 0.3%. Across the comparison, 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.
Gannes sits below 87% of compared French towns for single residents (21%)
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
Here, 43% of residents 15 and over are married. For single residents, the comparison in the typical compared French town is 25%.
22% of adults out of school have no qualification, more 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
Just over a quarter of adults out of school hold a higher-education qualification, against 30% in the typical compared French town. As a yardstick, nearly a fifth of adults out of school have no qualification in the typical compared French town.
Among 41 French towns of 365 to 2,582 people, 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.
The youngest is Villejust (37.2), the oldest Prayssac (62.3).
No nearby town is as young as Gannes
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
| Town | Median age | 65+ | Second homes | Immigrants |
|---|---|---|---|---|
| Gannes | 39.2 | 16% | 2.4% | 1.4% |
| Saint-Just-en-Chaussée 5,810 · 4.5 mi | 41.2 | 20% | 0.7% | 6.6% |
| Breteuil 4,222 · 7.3 mi | 42.7 | 23% | 1.3% | 2.8% |
| Montdidier 5,935 · 8.7 mi | 46.3 | 25% | 1.8% | 2.3% |
| Fitz-James 2,514 · 12.3 mi | 42.4 | 19% | 0.5% | 6.6% |
| Agnetz 3,058 · 12.5 mi | 44.4 | 18% | 1% | 3% |
| Ailly-sur-Noye 2,648 · 13 mi | 45.3 | 25% | 1.2% | 1.2% |
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 Gannes
What is the population of Gannes?
365 at INSEE’s 2023 census, 5% more than in 2012 (349).
How old are Gannes’ residents?
The median age is 39.2, younger than 83% of compared French towns. 26% are under 18 and 16% 65 or older.
How many second homes are there in Gannes?
4, with occasional dwellings: 2.4% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Gannes?
INSEE counts 5 immigrants (born abroad, not French at birth), 1.4% of residents, and 1 foreign nationals (0.3%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Gannes?
€27,030 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 October 30, 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.