1.1% of homes are flats, below 99% of compared French towns
Compared with 6.7% in the typical compared French town, 3.6% of homes stand empty here. 486 residents in 190 households: that is Prosnes at the 2023 Census. One-person households make up about one in six here (17%). Fewer residents aged 65 and over than in 85% of compared French towns: 16%.
Throughout this page, the Marne 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 Prosnes
Fewer residents than in 2012
Prosnes had 532 residents at the 2012 census and 486 in 2023, down 9%: slower growth than in 96% of compared French towns. Population ↓
A town of families
34% of households are couples with children and 5.4% single parents with children; 18% of residents are under 15. Households ↓
Written from INSEE’s census 2023 on this page, against compared French towns.
Slower growth than 96% of compared French towns: Prosnes changed by −9% 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
The median Marne town changed −2% and the median compared French town +5%; here the first five years brought −8% and the next six −1%.
A median age of 43.2: Prosnes is younger than 56% of compared French towns
Shares of residents by age at the 2023 census.
Age groups · share of residents
Median age of the 3,798 compared French towns
■ Prosnes 43.2. The median compared French town: 44.
In the typical compared French town, just over one in ten residents are 15 to 24; in Prosnes, 9.8%.
Women and men · all residents
49% women, 51% men
About 104 men for every 100 women. Median share of women: Marne 52.7%, France 51.8%.
A larger share of couples with children than 89% of compared French towns: 34%
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 Marne median and the France median
Living alone · share
Here 5.4% of households are single parents, where the figure in the typical compared French town is 10%. Typically, 25% of households are couples with children in the typical compared French town. There are 2.5 people in the average household.
Below 99% of compared French towns: 2.3% of households have no car
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
There is little gap on second homes: 1.5%, about the same as in the typical compared French town. The usual figure: just over one in ten households have no car in the typical compared French town. 24% of households have been in place 30 years or more; 3.2% moved in within the last two years.
Half of residents have a standard of living above €30,210 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.
The midpoint of living standards here is €30,210 a year per consumption unit, higher than in 86% of compared French towns.
Prosnes ranks above 80% of compared French towns on households headed by a manual worker: 19%
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 make up 7.8%, against 9.4% in the typical compared French town. Few places have so few households headed by a retired person: 28% here, fewer than in 76% of compared French towns. The wider picture: 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).
1.4% of residents are immigrants, fewer than in 97% of compared French towns
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.
In the typical compared French town, 4.3% of residents are foreign nationals; in Prosnes, 0.6%. Measured more widely, 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 smaller share of single residents than 99% of compared French towns: 16%
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
Here 54% of residents 15 and over are married, where the figure in the typical compared French town is 43%. The comparison figure for single residents is 25% in the typical compared French town.
Adults with no qualification: 17%, a lower share than 62% 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
30% of adults out of school hold a higher-education qualification, fewer than in 52% of compared French towns. Measured more widely, nearly a fifth of adults out of school have no qualification in the typical compared French town.
41 French towns of 486 to 2,582 people: this is 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.
Ages run from 37.2 in Villejust to 62.3 in Prayssac.
A younger town than 2 of the 6 around it: Prosnes
The nearest towns of 2,500 or more, colored by median age. Source: INSEE, census 2023.
| Town | Median age | 65+ | Second homes | Immigrants |
|---|---|---|---|---|
| Prosnes | 43.2 | 16% | 1.5% | 1.4% |
| Mourmelon-le-Grand 4,895 · 4.9 mi | 30.8 | 11% | 1.2% | 2.5% |
| Witry-lès-Reims 4,950 · 10.5 mi | 44 | 20% | 0.6% | 3.6% |
| Cormontreuil 6,534 · 11.1 mi | 50.9 | 31% | 0.8% | 4.9% |
| Warmeriville 2,749 · 11.6 mi | 39 | 17% | 1% | 1.9% |
| Suippes 3,938 · 11.9 mi | 32.4 | 14% | 1.6% | 2.3% |
| Reims 177,674 · 12.5 mi | 35.1 | 17% | 3.8% | 14% |
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 Prosnes
What is the population of Prosnes?
486 at INSEE’s 2023 census, 9% fewer than in 2012 (532).
How old are Prosnes’ residents?
The median age is 43.2, younger than 56% of compared French towns. 23% are under 18 and 16% 65 or older.
How many second homes are there in Prosnes?
3, with occasional dwellings: 1.5% of all homes, against 2.1% for the median compared French town.
How many immigrants live in Prosnes?
INSEE counts 7 immigrants (born abroad, not French at birth), 1.4% of residents, and 3 foreign nationals (0.6%). The medians of compared French towns are 6.5% and 4.3%.
What is the median income in Prosnes?
€30,210 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.