Flats: 1.2%, a lower share than 99% of compared French towns
By its share of single-parent households (5.5%), Thoiry is below 98% of compared French towns. Put another way, about one in six: 16% of residents are 65 or over. Households headed by a manager or professional are rarer here than in 81% of compared French towns. At the 2023 Census, 456 people lived in the town, in 190 households.
Throughout this page, the Savoie 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 Thoiry
One home in seven is a second home
The census counted 39 second homes and occasional dwellings in Thoiry, 15% of its 260 homes: higher than in 91% of compared French towns. 100% of them are houses. Their owners live elsewhere, so they aren’t in the population figures on this page. Homes & cars ↓
Empty homes
The census found 37 homes empty (14%): for sale, to let, awaiting work or simply unused. Homes & cars ↓
Many graduates
47% of residents 15 and over who have left education hold a diploma above the bac, 14% a master’s or more (bac+5). Qualifications ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
Thoiry ranks below 98% of compared French towns on households without a car: 3.3%
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
7% of households moved in less than two years ago; 27% have been in their home 30 years or more. Households in social housing are rarer here than in 99% of compared French towns. On average, 11% of households have no car in the typical compared French town. Empty homes make up 14%, against 6.7% in the typical compared French town.
A +1% change since 2012: slower than 66% 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
Only 8.5% of residents are 15 to 24 in Thoiry
Shares of residents by age at the 2023 census.
Age groups · share of residents
Median age of the 3,798 compared French towns
■ Thoiry 42.1. The median compared French town: 44.
With a median age of 42.1, Thoiry is younger than 65% of compared French towns. By way of comparison, 11% of residents are 15 to 24 in the typical compared French town.
Women and men · all residents
48% women, 52% men
About 106 men for every 100 women. Median share of women: Savoie 51.5%, France 51.8%.
A lower share of one-person households than 93% of compared French towns, at 26%
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 Savoie median and the France median
Living alone · share
Households average 2.4 people. 33% of households are couples with children, more than in 87% of compared French towns. For one-person households, the comparison in the typical compared French town is 35%.
A median of €28,940 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.
Living standards centre on €28,940 a year per consumption unit: higher than in 78% of compared French towns.
39% of households are headed by a retired person, more than in 82% 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
The share of households headed by a manual worker is 11%, against 14% in the typical compared French town. As a yardstick, nearly a third 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).
Fewer immigrants than 83% of compared French towns: 2.9%
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 share of foreign nationals is 1.3%, against 4.3% in the typical compared French town. Elsewhere, 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.
A higher share of married residents than 90% of compared French towns, at 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
The share of single residents is 23%, against 25% in the typical compared French town. In the typical compared French town, the share of married residents is 43%.
Thoiry sits below 99% of compared French towns for adults with no qualification (6.5%)
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
47% of adults out of school hold a higher-education qualification, against 30% in the typical compared French town. The comparison figure for adults with no qualification is 19% in the typical compared French town.
9th lowest median age among 41 French towns of 456 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.
4 in 6 nearby towns have a higher median age than Thoiry
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
| Town | Median age | 65+ | Second homes | Immigrants |
|---|---|---|---|---|
| Thoiry | 42.1 | 16% | 15% | 2.9% |
| Barby 3,772 · 2.8 mi | 36.6 | 21% | 1.5% | 11% |
| Saint-Alban-Leysse 6,734 · 3.5 mi | 46 | 24% | 1.4% | 6.9% |
| Challes-les-Eaux 5,630 · 3.8 mi | 47.2 | 23% | 2.8% | 6.8% |
| La Ravoire 9,332 · 3.9 mi | 42.5 | 22% | 1.8% | 9.8% |
| Bassens 5,175 · 4.4 mi | 40.5 | 20% | 2.1% | 7.3% |
| Barberaz 5,306 · 4.6 mi | 43.9 | 23% | 2.5% | 7% |
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 Thoiry
What is the population of Thoiry?
456 at INSEE’s 2023 census, about the same as in 2012 (452).
How old are Thoiry’s residents?
The median age is 42.1, younger than 65% of compared French towns. 24% are under 18 and 16% 65 or older.
How many second homes are there in Thoiry?
39, with occasional dwellings: 15% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Thoiry?
INSEE counts 13 immigrants (born abroad, not French at birth), 2.9% of residents, and 6 foreign nationals (1.3%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Thoiry?
€28,940 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.