In Tréclun, 47% of households are couples with children, more than in 99% of compared French towns
Here 3.3% of households have no car, where the figure in the typical compared French town is 11%. One in ten homes stand empty, a higher share than in 79% of compared French towns. Census day 2023: 423 residents and 160 households in Tréclun. Put another way, about one in 36: 2.8% of homes are flats.
Throughout this page, the Côte-d'Or 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 Tréclun
A town of families
47% of households are couples with children and 6.5% single parents with children; 21% of residents are under 15. Households ↓
A young town
Half of Tréclun’s residents are under 37.7 and half over; the median of compared French towns is 44. 21% are under 15 and 13% are 65 or older. Ages ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
Tréclun changed by −4% from 2012 to 2023, slower than 84% 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
Over the whole period the median compared French town changed +5%, and the median Côte-d'Or town −2%. The years 2012 to 2017 brought +7%; 2017 to 2023, −10%.
A smaller share of residents aged 65 and over than 96% of compared French towns: 13%
Shares of residents by age at the 2023 census.
Age groups · share of residents
Median age of the 3,798 compared French towns
■ Tréclun 37.7. The median compared French town: 44.
Half of Tréclun’s residents are under 37.7, younger than in 89% of compared French towns. As a reference point, 22% of residents are 65 or over in the typical compared French town. Residents aged 15 to 24 account for 9.1%.
Women and men · all residents
47% women, 53% men
About 113 men for every 100 women. Median share of women: Côte-d'Or 52.8%, France 51.8%.
17% of households are one person living alone, below 99% of compared French towns
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 Côte-d'Or median and the France median
Living alone · share
The typical household size is 2.6 people. 6.5% of households are single parents, or about one in 15. Elsewhere, 35% of households are one person living alone in the typical compared French town.
A lower share of second homes than 76% of compared French towns, at 1.1%
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
Some one in ten households are newcomers of under two years, against 17% who have been there 30 years or more. Across the comparison, 2.1% of homes are second homes in the typical compared French town. Households in social housing are rarer here than in 99% of compared French towns.
Median standard of living: €28,500 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.
The midpoint of living standards here is €28,500 a year per consumption unit, higher than in 75% of compared French towns.
Below 99% of compared French towns: 13% of households are headed by a retired person
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
By its share of households headed by a manager or professional (12%), Tréclun is above nearly two thirds of compared French towns. Households headed by a manual worker account for 40%. Elsewhere, 32% of households are headed by a retired person in the typical compared French town.
Each household is counted once, by the occupation of its reference person (usually the oldest working adult).
In Tréclun, 2.7% of residents are immigrants, fewer than in 85% 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.
The median compared commune in Côte-d'Or has 7.3%; immigrants here make up a share lower than in 85% of compared French towns. For comparison, 6.5% of residents are immigrants in the typical compared French town. Put another way, about one in 83: 1.2% of residents are foreign nationals.
INSEE publishes no country of birth or ethnicity by commune in these tables, and the census doesn’t ask about religion.
Single residents: 17%, a lower share than 99% of compared French towns
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: 48%, above 82% of compared French towns. Elsewhere, 25% of residents 15 and over are single in the typical compared French town.
Below 68% of compared French towns: 25% of adults out of school hold a higher-education qualification
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
Census figures put adults with no qualification at 19% in Tréclun. The comparison figure for graduates of higher education is 30% in the typical compared French town.
2nd lowest median age among 41 French towns of 423 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.
The youngest is Villejust (37.2), the oldest Prayssac (62.3).
Nearby, 5 of 6 towns have older populations than Tréclun
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
| Town | Median age | 65+ | Second homes | Immigrants |
|---|---|---|---|---|
| Tréclun | 37.7 | 13% | 1.1% | 2.7% |
| Genlis 5,093 · 4.7 mi | 44.9 | 22% | 1.1% | 3.7% |
| Auxonne 7,581 · 5.1 mi | 43.3 | 24% | 1.7% | 6% |
| Damparis 2,587 · 10 mi | 46.5 | 23% | 0.8% | 3.7% |
| Neuilly-Crimolois 3,588 · 10.3 mi | 37.2 | 18% | 0.4% | 7.7% |
| Chevigny-Saint-Sauveur 11,108 · 10.6 mi | 43.3 | 23% | 1.2% | 7.2% |
| Arc-sur-Tille 2,584 · 11.6 mi | 46 | 21% | 0.9% | 2.8% |
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 Tréclun
What is the population of Tréclun?
423 at INSEE’s 2023 census, 4% fewer than in 2012 (440).
How old are Tréclun’s residents?
The median age is 37.7, younger than 89% of compared French towns. 26% are under 18 and 13% 65 or older.
How many second homes are there in Tréclun?
2, with occasional dwellings: 1.1% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Tréclun?
INSEE counts 11 immigrants (born abroad, not French at birth), 2.7% of residents, and 5 foreign nationals (1.2%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Tréclun?
€28,500 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.