Only 2.8% of homes are flats in Semillac
Second homes: 8.3%, above 86% of compared French towns. Fewer residents aged 15 to 24 than in 94% of compared French towns: 7.7%. 65 residents in 29 households: that is Semillac at the 2023 Census. Households headed by a retired person: 50% of the total.
Throughout this page, the Charente-Maritime 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 Semillac
A town of families
33% of households are couples with children and 0% single parents with children; 11% of residents are under 15. Households ↓
An older town
Half of Semillac’s residents are under 51.5 and half over; the median of compared French towns is 44. 34% are 65 or older (France median 22%), 1.5% 80 or older. Ages ↓
Fewer residents than in 2012
Semillac had 68 residents at the 2012 census and 65 in 2023, down 4%: slower growth than in 86% of compared French towns. Population ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
Slower than most: −4% since 2012, behind 86% 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
For comparison, the median compared French town changed +5% and the median Charente-Maritime town +8%. The first five years brought +6%; the six to 2023, −10%.
Semillac is older than 88% of compared French towns: a median age of 51.5
Shares of residents by age at the 2023 census.
Age groups · share of residents
Median age of the 3,798 compared French towns
■ Semillac 51.5. The median compared French town: 44.
Set against 22% in the typical compared French town, just over a third of residents are 65 or over in Semillac.
Women and men · all residents
46% women, 54% men
About 117 men for every 100 women. Median share of women: Charente-Maritime 53.1%, France 51.8%.
Semillac sits above 88% of compared French towns for couples with children (33%)
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 Charente-Maritime median and the France median
Living alone · share
Single-parent households are rarer here than in 99% of compared French towns. By way of comparison, 25% of households are couples with children in the typical compared French town. The average household has 2.2 people. Set against 35% in the typical compared French town, a third of households are one person living alone in Semillac.
Semillac sits below 97% of compared French towns for households without a car (3.4%)
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 are rarer here than in 99% of compared French towns. The comparison figure for households without a car is 11% in the typical compared French town. Newcomers of less than two years account for 6.9% of households, residents of 30 years or more for 21%.
Semillac: 17% of households are headed by a manual worker, above 67% 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
Households headed by a manager or professional are rarer here than in 99% of compared French towns. 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).
A higher share of foreign nationals than 79% of compared French towns, at 9.2%
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 Charente-Maritime has 3.1%; immigrants here make up a share higher than in two thirds of compared French towns. Immigrants make up about one in 11 here (9.2%). For foreign nationals, the comparison in the typical compared French town is 4.3%.
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 99% of compared French towns: 60%
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
Single residents: 22% here and 25% in the typical compared French town. The comparison figure for married residents is 43% in the typical compared French town.
15% of adults out of school hold a higher-education qualification, fewer than in 97% 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
Where 19% of adults out of school have no qualification in the typical compared French town, Semillac has 15%. Typically, 30% of adults out of school hold a higher-education qualification in the typical compared French town.
Ranked by age, 10th oldest of 41 French towns this size
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, 3 of 6 towns have older populations than Semillac
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
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 Semillac
What is the population of Semillac?
65 at INSEE’s 2023 census, 4% fewer than in 2012 (68).
How old are Semillac’s residents?
The median age is 51.5, older than 88% of compared French towns. 15% are under 18 and 34% 65 or older.
How many second homes are there in Semillac?
3, with occasional dwellings: 8.3% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Semillac?
INSEE counts 6 immigrants (born abroad, not French at birth), 9.2% of residents, and 6 foreign nationals (9.2%). The medians of compared French towns are 6.5% and 4.3%.
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.