Fewer flats than 94% of compared French towns: 6.3%
23% of households rent social housing (HLM), against 12% in the typical compared French town. Marigny-le-Châtel is home to 1,749 residents in 800 households, by the 2023 Census. The census found that 5.7% of households are headed by a manager or professional locally. Single-parent households are more common here than in 87% of compared French towns.
Throughout this page, the Aube 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.
A change of +3% since 2012 leaves Marigny-le-Châtel behind 57% 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
A median age of 42.9: Marigny-le-Châtel is younger than 59% 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
■ Marigny-le-Châtel 42.9. The median compared French town: 44.
Residents aged 15 to 24: 10% here and 11% in the typical compared French town. 22% of residents are 65 or over, fewer than in 52% of compared French towns.
Women and men · all residents
51% women, 49% men
About an even split. Median share of women: Aube 52.1%, France 51.8%.
A smaller share of one-person households than 61% of compared French towns: 33%
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 Aube median and the France median
Living alone · share
Here 24% of households are couples with children, where the figure in the typical compared French town is 25%. A household here holds 2.2 people on average. For comparison, just over a third of households are one person living alone in the typical compared French town.
Only 9.1% of households have no car in Marigny-le-Châtel
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 11 has no car, against 11% in the median compared French town. Long tenure is the mark of 22% of households (30 years or more), short tenure of 8.2% (under two years). More second homes than in 63% of compared French towns: 3.1%.
€24,800 a year: the median standard of living
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 residents live in households above €24,800 a year per consumption unit and half below; the level is lower than in 63% of compared French towns.
23% of households are headed by a manual worker, more than in 92% 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
Here, 31% of households are headed by a retired person. Across the comparison, 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).
Marigny-le-Châtel sits below 87% of compared French towns for immigrants (2.5%)
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.
In the typical compared French town, the share of foreign nationals is 4.3%; Marigny-le-Châtel has 1.4%. 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.
Marigny-le-Châtel ranks below 65% of compared French towns on married residents: 41%
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
Single residents account for 26%. On average, 43% of residents 15 and over are married in the typical compared French town.
In Marigny-le-Châtel, 22% of adults out of school hold a higher-education qualification, fewer than in 79% 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 tops just over three quarters of compared French towns: 25%. Graduates of higher education make up 30% in the typical compared French town.
11th lowest median age among 41 French towns of 1,749 to 2,582
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.
Median age: 2 of the 6 towns around Marigny-le-Châtel are older
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
| Town | Median age | 65+ | Second homes | Immigrants |
|---|---|---|---|---|
| Marigny-le-Châtel | 42.9 | 22% | 3.1% | 2.5% |
| Romilly-sur-Seine 14,959 · 7.7 mi | 42.8 | 23% | 2.7% | 17% |
| Aix-Villemaur-Pâlis 3,236 · 11.6 mi | 51.4 | 31% | 9.7% | 2.8% |
| Nogent-sur-Seine 5,537 · 12.1 mi | 42.5 | 22% | 6.5% | 13% |
| Saint-Lyé 2,956 · 12.7 mi | 47.7 | 25% | 1.1% | 5% |
| Villenauxe-la-Grande 2,605 · 15.4 mi | 41.3 | 22% | 3.5% | 9.4% |
| La Chapelle-Saint-Luc 12,648 · 15.6 mi | 36.3 | 19% | 1.1% | 24% |
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 Marigny-le-Châtel
What is the population of Marigny-le-Châtel?
1,749 at INSEE’s 2023 census, 3% more than in 2012 (1,695).
How old are Marigny-le-Châtel’s residents?
The median age is 42.9, younger than 59% of compared French towns. 23% are under 18 and 22% 65 or older.
How many second homes are there in Marigny-le-Châtel?
28, with occasional dwellings: 3.1% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Marigny-le-Châtel?
INSEE counts 43 immigrants (born abroad, not French at birth), 2.5% of residents, and 24 foreign nationals (1.4%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Marigny-le-Châtel?
€24,800 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.