Sachy sits below 99% of compared French towns for households without a car (1.4%)
In the typical compared French town, 14% of households are headed by a manual worker; in Sachy, 40%. Locally, 2.4% of homes are flats. Lower than in 90% of compared French towns: 27% of households are one person living alone. At the 2023 Census, 175 people lived locally, in 72 households.
Throughout this page, the Ardennes 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 Sachy
A town of families
33% of households are couples with children and 6.7% single parents with children; 18% of residents are under 15. Households ↓
Fewer residents than in 2012
Sachy had 184 residents at the 2012 census and 175 in 2023, down 5%: slower growth than in 88% of compared French towns. Population ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
Slower than most: −5% since 2012, behind 88% 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 population moved −1%, and from 2017 to 2023 −4%; the median compared French town changed +5% and the median Ardennes town −9%.
Half of Sachy is over 47.5, older than 72% 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
■ Sachy 47.5. The median compared French town: 44.
Residents aged 15 to 24 are about as common here as in the typical compared French town, at 11%. The share of residents aged 65 and over stands at 21%.
Women and men · all residents
51% women, 49% men
About 95 men for every 100 women. Median share of women: Ardennes 52.2%, France 51.8%.
Couples with children make up 33% in Sachy, more than in 88% 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 Ardennes median and the France median
Living alone · share
Average household size: 2.4 people. For couples with children, the comparison in the typical compared French town is 25%. Sachy has fewer single-parent households than 92% of compared French towns, at 6.7%.
Above 79% of compared French towns: 10% of homes stand empty
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
13% of households moved in less than two years ago; 20% have been in their home 30 years or more. Households in social housing are rarer here than in 99% of compared French towns. As a reference point, 6.7% of homes stand empty in the typical compared French town. Second homes: 4.3%, above 73% of compared French towns.
Standard of living at the median: €23,390 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 median standard of living in Sachy is €23,390 a year per consumption unit: lower than in 78% of compared French towns.
Above 55% of compared French towns: 33% 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
Households headed by a manager or professional are rarer here than in 99% of compared French towns. The benchmark for households headed by a retired person in the typical compared French town: 32%.
Each household is counted once, by the occupation of its reference person (usually the oldest working adult).
Sachy: 13% of residents are foreign nationals, above 89% 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.
Immigrants make up a share higher than in nearly four fifths of compared French towns; the median compared commune in Ardennes has 6.7%. Typically, 4.3% of residents are foreign nationals in the typical compared French town. Here, 12% of residents are immigrants.
INSEE publishes no country of birth or ethnicity by commune in these tables, and the census doesn’t ask about religion.
More married residents than 91% of compared French towns: 50%
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
In the typical compared French town, the share of single residents is 25%; Sachy has 22%. To put it in context, 43% of residents 15 and over are married in the typical compared French town.
Graduates of higher education: 13%, a lower share than 99% 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
In the typical compared French town, the share of adults with no qualification is 19%; Sachy has 24%. The wider picture: 30% of adults out of school hold a higher-education qualification in the typical compared French town.
15th highest median age among 41 French towns of 175 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.
Around Sachy, 2 of 5 towns have a higher median age
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
| Town | Median age | 65+ | Second homes | Immigrants |
|---|---|---|---|---|
| Sachy | 47.5 | 21% | 4.3% | 12% |
| Carignan 2,680 · 2.9 mi | 48.7 | 26% | 1.8% | 7.2% |
| Sedan 16,667 · 8.9 mi | 45 | 24% | 1.3% | 8% |
| Vrigne aux Bois 3,518 · 13.2 mi | 44.9 | 22% | 1.2% | 4.3% |
| Vivier-au-Court 2,732 · 14.4 mi | 42.4 | 20% | 0.4% | 11% |
| Villers-Semeuse 3,615 · 18 mi | 49.6 | 27% | 0.5% | 5.8% |
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 Sachy
What is the population of Sachy?
175 at INSEE’s 2023 census, 5% fewer than in 2012 (184).
How old are Sachy’s residents?
The median age is 47.5, older than 72% of compared French towns. 22% are under 18 and 21% 65 or older.
How many second homes are there in Sachy?
4, with occasional dwellings: 4.3% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Sachy?
INSEE counts 22 immigrants (born abroad, not French at birth), 12% of residents, and 23 foreign nationals (13%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Sachy?
€23,390 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.