6.2% of residents are 15 to 24, fewer than in 99% of compared French towns
4.4% of homes are flats; in the typical compared French town the figure is 30%. Lower than in 93% of compared French towns: 3.3% of households rent social housing (HLM). At the 2023 Census, 551 people lived in Poisson, in 250 households. Single-parent households account for 6.1%.
Throughout this page, the Saône-et-Loire 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 Poisson
Fewer residents than in 2012
Poisson had 592 residents at the 2012 census and 551 in 2023, down 7%: slower growth than in 93% of compared French towns. Population ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
Slower growth than 93% of compared French towns: Poisson changed by −7% since 2012
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 −4%, and from 2017 to 2023 −3%; the median compared French town changed +5% and the median Saône-et-Loire town −3%.
Poisson is older than 78% of compared French towns: a median age of 48.8
Shares of residents by age at the 2023 census.
Age groups · share of residents
Median age of the 3,798 compared French towns
■ Poisson 48.8. The median compared French town: 44.
Set against 22% in the typical compared French town, 27% of residents are 65 or over in Poisson.
Women and men · all residents
49% women, 51% men
About an even split. Median share of women: Saône-et-Loire 52.3%, France 51.8%.
29% of households are one person living alone, below 82% 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 Saône-et-Loire median and the France median
Living alone · share
The typical household size is 2.2 people. In the typical compared French town, just over a third of households are one person living alone. Couples with children account for 24%.
Poisson sits below 98% of compared French towns for 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
Against a figure of 2.1% in the typical compared French town, the share of second homes in Poisson comes in at 5.8%. Elsewhere, just over one in ten households have no car in the typical compared French town. For Poisson, the census puts empty homes at 10%.
The median resident lives on €25,790 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.
At €25,790 a year per consumption unit, the median standard of living here is lower than in 52% of compared French towns.
Only 2% of households are headed by a manual worker in Poisson
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
35% of households are headed by a retired person; in the typical compared French town the figure is 32%. Measured more widely, 14% of households are headed by a manual worker in the typical compared French town. The share of households headed by a manager or professional stands at 8.2%.
Each household is counted once, by the occupation of its reference person (usually the oldest working adult).
A smaller share of immigrants than 98% 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.
The share of foreign nationals is 0.4%, against 4.3% in the typical compared French town. 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.
In Poisson, 16% of residents 15 and over are single, fewer than in 99% of compared French towns
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 figure for married residents is 56% in Poisson and 43% in the typical compared French town. In the typical compared French town, single residents come to 25%.
Adults with no qualification: 11%, a lower share than 91% 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
Here 27% of adults out of school hold a higher-education qualification, where the figure in the typical compared French town is 30%. By way of comparison, nearly a fifth of adults out of school have no qualification in the typical compared French town.
Of 41 French towns its size (551 to 2,582 people), the 15th oldest
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).
Every neighbor is older than Poisson
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
| Town | Median age | 65+ | Second homes | Immigrants |
|---|---|---|---|---|
| Poisson | 48.8 | 27% | 5.8% | 1.3% |
| Paray-le-Monial 9,291 · 4.7 mi | 54.2 | 36% | 3.4% | 7.2% |
| Charolles 2,772 · 7.7 mi | 53.6 | 34% | 4.9% | 4% |
| Digoin 7,353 · 9.5 mi | 53.9 | 34% | 1.9% | 15% |
| Gueugnon 6,528 · 15.3 mi | 58 | 38% | 1.8% | 8.6% |
| Charlieu 3,766 · 15.6 mi | 50.4 | 32% | 7.2% | 4.1% |
| Chauffailles 3,638 · 15.7 mi | 58.1 | 39% | 6.3% | 6% |
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 Poisson
What is the population of Poisson?
551 at INSEE’s 2023 census, 7% fewer than in 2012 (592).
How old are Poisson’s residents?
The median age is 48.8, older than 78% of compared French towns. 20% are under 18 and 27% 65 or older.
How many second homes are there in Poisson?
17, with occasional dwellings: 5.8% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Poisson?
INSEE counts 7 immigrants (born abroad, not French at birth), 1.3% of residents, and 2 foreign nationals (0.4%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Poisson?
€25,790 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.