Below 99% of compared French towns: 0.7% of households rent social housing (HLM)
30% of homes are flats in the typical compared French town, against 5.6% in Saint-Ondras. Census day 2023: 668 residents and 280 households locally. Locally, 4.7% of households have no car. More households headed by a retired person than in 78% of compared French towns: 38%.
Throughout this page, the Isère 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 Saint-Ondras
A town of families
35% of households are couples with children and 5.5% single parents with children; 18% of residents are under 15. Households ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
Since 2012, Saint-Ondras has grown +9%, faster than 67% 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
Between 2012 and 2017 the population moved +5%, then +4% to 2023.
Saint-Ondras is younger than 56% of compared French towns: a median age of 43.3
Shares of residents by age at the 2023 census.
Age groups · share of residents
Median age of the 3,798 compared French towns
■ Saint-Ondras 43.3. The median compared French town: 44.
Where just over a fifth of residents are 65 or over in the typical compared French town, Saint-Ondras has 21%. Put another way, about one in nine: just over one in ten residents are 15 to 24.
Women and men · all residents
48% women, 52% men
About 107 men for every 100 women. Median share of women: Isère 51.3%, France 51.8%.
In Saint-Ondras, 35% of households are couples with children, more than in 92% 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 Isère median and the France median
Living alone · share
By its share of one-person households (29%), Saint-Ondras is below just over four fifths of compared French towns. For comparison, a quarter of households are couples with children in the typical compared French town. Single-parent households make up about one in 18 here (5.5%).
3.9% of homes stand empty, fewer than in 88% of compared French towns
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
Compared with 2.1% in the typical compared French town, 5.9% of homes are second homes here. The usual figure: 6.7% of homes stand empty in the typical compared French town. Long tenure is the mark of 25% of households (30 years or more), short tenure of 8.7% (under two years).
Standard of living at the median: €27,050 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.
Half of residents live in households above €27,050 a year per consumption unit and half below; the level is higher than in 62% of compared French towns.
A higher share of households headed by a manual worker than 54% of compared French towns, at 15%
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
Locally, 9.1% of households are headed by a manager or professional. Typically, 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).
Below 89% of compared French towns: 2.2% of residents are immigrants
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.
1.5% of residents are foreign nationals; in the typical compared French town the figure is 4.3%. The comparison figure for immigrants is 6.5% 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 larger share of married residents than 78% of compared French towns: 47%
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
Compared with 25% in the typical compared French town, nearly a quarter of residents 15 and over are single here. The share of married residents in the typical compared French town is 43%.
A smaller share of adults with no qualification than 84% of compared French towns: 13%
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
Graduates of higher education make up 28%, against 30% in the typical compared French town. In the typical compared French town, adults with no qualification come to 19%.
Of 41 French towns its size (668 to 2,582 people), the 12th 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.
At the ends of the range sit Villejust (37.2), the youngest, and Prayssac (62.3), the oldest.
Saint-Ondras sits below 4 of its 6 closest neighbors on 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 |
|---|---|---|---|---|
| Saint-Ondras | 43.3 | 21% | 5.9% | 2.2% |
| Saint-André-le-Gaz 2,754 · 2.2 mi | 43.6 | 20% | 3.4% | 5.4% |
| Les Abrets en Dauphiné 6,850 · 2.3 mi | 43.9 | 23% | 2.1% | 5.6% |
| Villages du Lac de Paladru 2,598 · 3.4 mi | 45.8 | 21% | 15% | 3.5% |
| Saint-Clair-de-la-Tour 3,628 · 4.9 mi | 42.5 | 19% | 1.9% | 7.9% |
| Le Pont-de-Beauvoisin 3,602 · 6 mi | 45.8 | 25% | 2.4% | 8% |
| La Tour-du-Pin 8,111 · 6.2 mi | 42 | 22% | 1.7% | 17% |
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 Saint-Ondras
What is the population of Saint-Ondras?
668 at INSEE’s 2023 census, 9% more than in 2012 (612).
How old are Saint-Ondras’ residents?
The median age is 43.3, younger than 56% of compared French towns. 24% are under 18 and 21% 65 or older.
How many second homes are there in Saint-Ondras?
18, with occasional dwellings: 5.9% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Saint-Ondras?
INSEE counts 15 immigrants (born abroad, not French at birth), 2.2% of residents, and 10 foreign nationals (1.5%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Saint-Ondras?
€27,050 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.