Flats: 0.8%, a lower share than 99% of compared French towns
Against a figure of 11% in the typical compared French town, the share of households without a car in Sennely comes in at 2%. At 3.2%, the share of households headed by a manager or professional is lower than in 96% of compared French towns. This Loiret town is home to 677 residents in 300 households, by the 2023 Census. 30% of households are couples with children.
Throughout this page, the Loiret 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 Sennely
One home in six is a second home
The census counted 65 second homes and occasional dwellings in Sennely, 16% of its 400 homes: higher than in 92% 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 ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
In Sennely, 16% of homes are second homes, more than in 92% 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
Households in social housing make up 5%, against 12% in the typical compared French town. For second homes, the comparison in the typical compared French town is 2.1%. Long tenure is the mark of 15% of households (30 years or more), short tenure of 7.9% (under two years). On empty homes, Sennely sits higher than 52% of compared French towns: 6.8%.
Sennely changed by ±0% from 2012 to 2023, slower than 71% 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
In two steps, +4% to 2017 and −5% after, the town’s change compares with +5% for the median compared French town and +6% in Loiret.
Only 21% of residents are 65 or over in Sennely
Shares of residents by age at the 2023 census.
Age groups · share of residents
Median age of the 3,798 compared French towns
■ Sennely 44.2. The median compared French town: 44.
Sennely sits close to the norm on residents aged 15 to 24: 11%, about the same as in the typical compared French town. The wider picture: 22% of residents are 65 or over in the typical compared French town. With a median age of 44.2, Sennely is older than just over half of compared French towns.
Women and men · all residents
48% women, 52% men
About 109 men for every 100 women. Median share of women: Loiret 51.7%, France 51.8%.
In Sennely, 30% of households are one person living alone, fewer than in 76% 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 Loiret median and the France median
Living alone · share
There are 2.2 people in the average household. Lower than in 78% of compared French towns: 8.2% of households are single parents. Measured more widely, just over a third of households are one person living alone in the typical compared French town.
€27,110 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.
The midpoint of living standards here is €27,110 a year per consumption unit, higher than in 62% of compared French towns.
Households headed by a manual worker make up 18% in Sennely, more than in 74% 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
Against a figure of 32% in the typical compared French town, the share of households headed by a retired person in Sennely comes in at 30%. For 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).
Fewer foreign nationals than 89% of compared French towns: 1.3%
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.
Compared with 6.5% in the typical compared French town, 3.2% of residents are immigrants here. Measured more widely, 4.3% of residents are foreign nationals in the typical compared French town. Immigrants make up a share lower than in four fifths of compared French towns; the median compared commune in Loiret has 9.8%.
INSEE publishes no country of birth or ethnicity by commune in these tables, and the census doesn’t ask about religion.
Sennely sits below 84% of compared French towns for single residents (21%)
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 census found that 44% of residents 15 and over are married in Sennely. For single residents, the comparison in the typical compared French town is 25%.
A smaller share of adults with no qualification than 53% of compared French towns: 18%
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
Few places have so few graduates of higher education: 30% here, fewer than in 51% of compared French towns. The benchmark for adults with no qualification in the typical compared French town: 19%.
Among 41 French towns of 677 to 2,582 people, the 16th 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.
Villejust is the youngest (37.2); Prayssac the oldest (62.3).
Nearby, 3 of 6 towns have older populations than Sennely
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
| Town | Median age | 65+ | Second homes | Immigrants |
|---|---|---|---|---|
| Sennely | 44.2 | 21% | 16% | 3.2% |
| Lamotte-Beuvron 4,504 · 7.8 mi | 51 | 31% | 3.6% | 4.7% |
| La Ferté-Saint-Aubin 7,284 · 9.8 mi | 44.2 | 22% | 3.5% | 4.2% |
| Sully-sur-Loire 5,124 · 11.6 mi | 45.4 | 28% | 5% | 15% |
| Jargeau 4,610 · 12.4 mi | 40.5 | 19% | 1.8% | 5.6% |
| Sandillon 4,300 · 12.5 mi | 44.5 | 20% | 1.5% | 4.5% |
| Saint-Denis-de-l'Hôtel 3,065 · 13.2 mi | 43.4 | 22% | 3.4% | 9.8% |
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 Sennely
What is the population of Sennely?
677 at INSEE’s 2023 census, about the same as in 2012 (679).
How old are Sennely’s residents?
The median age is 44.2, older than 51% of compared French towns. 22% are under 18 and 21% 65 or older.
How many second homes are there in Sennely?
65, with occasional dwellings: 16% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Sennely?
INSEE counts 22 immigrants (born abroad, not French at birth), 3.2% of residents, and 9 foreign nationals (1.3%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Sennely?
€27,110 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.