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France›Marne›Grand Est

Le Thoult-TrosnayMarne

Home to 105 people, this town lies in Marne, Grand Est.

Is Le Thoult-Trosnay a good place to live?

With fewer than 1,000 residents, Le Thoult-Trosnay falls below the line for grades. 29% of homes here are second homes. Over-65s are 29% of the population.

What makes Le Thoult-Trosnay stand out

The 2 things Le Thoult-Trosnay does most differently from other towns.

Picked automatically from the data
Église
Église · Classé · Photo: Nicole-christiane Paladini · CC BY-SA 3.0
Le Thoult-Trosnay’s story

Le Thoult-Trosnay in pictures

The Culture ministry lists 2 historic monuments in Le Thoult-Trosnay: 1 classé (France’s highest heritage protection) and 1 inscrit (the second level).

The oldest protected part dates from the 17th century; the first monument here was protected in 1922.

57% of its homes were built before 1919, against 7.4% in the median compared French town.

Explore the history →

The data

Data highlights are ordered by what stands out in Le Thoult-Trosnay.

Who lives here

Few people in Le Thoult-Trosnay are 15 to 24: 5.8%, fewer than in Marne’s towns and across compared French towns

29% of residents are 65 or over, higher than both Marne’s towns (25%) and compared French towns (22%). Under 15: 20% of residents. Among adults, 34% have a degree.

49.3median age
Le Thoult-TrosnayMarne medianFrance median

Ages · share of residents

Highest diploma · residents 15 and older who have left education

No diploma16%
CAP or BEP32%
Baccalauréat14%
Higher education34%

Women and men · all residents

52% women, 48% men

About 93 men for every 100 women. Median share of women: Marne 52.7%, France 51.8%. Women live longer than men, so towns with many older residents have more women.

Ages and diplomas in Le Thoult-Trosnay
Le Thoult-TrosnayMarne medianFrance median
Under 1520%16%17%
15–245.8%11%11%
25–4416%21%23%
45–6429%25%26%
65+29%25%22%
No diploma16%24%19%
CAP or BEP32%28%26%
Baccalauréat14%18%18%
Higher education34%24%30%

INSEE, census 2023 · Marne median and France median: the median of compared communes

History

Old homes shape Le Thoult-Trosnay: 57% were built before 1919, more than in Marne’s towns and across compared French towns

France has no History Grade yet: this card describes, it doesn’t grade.

The oldest protected building goes back to the 17th century. The Culture ministry lists 2 historic monuments in Le Thoult-Trosnay: 1 classé (France’s highest heritage protection) and 1 inscrit (the second level).

2historic monuments

Monuments by protection · Mérimée

Classé1
Inscrit1
17th c.
oldest protected part
1922
first monument protected

Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period

Work & commute

Le Thoult-Trosnay has 0.3 jobs for every resident in work, so most commute out

10.6% of Le Thoult-Trosnay’s working residents walked, cycled or took public transport to work in the 2023 census, against 13% for the median of compared French towns; 77% drove.

11%walk, cycle or take transit

How working residents got to work · census 2023

Driving77%
Public transport6%
On foot4%
Motorbike or scooter2%
Bicycle0%
0
jobs based in Le Thoult-Trosnay, 0.3 per working resident
0.0%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
11%
worked without traveling (at or from home)

Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte

Housing

Renting in Le Thoult-Trosnay costs less than in Marne’s towns and across compared French towns, at an estimated advertised €8.50/m² a month

Rents are the ministry’s estimates of advertised rents, not rents actually paid.

5 houses and apartments changed hands in Le Thoult-Trosnay from July 2023 to June 2026. A house rents for an estimated €7.97/m² a month.

€8.50/m²estimated apartment rent a month

Estimated advertised apartment rent per m² a month

Le Thoult-Trosnay€8.50/m²
Median of towns€12.41/m²
Marne median€10.89/m²
€8.50/m²
estimated advertised apartment rent a month, charges included (€6.62 to €10.90/m² a month)
€7.97/m²
estimated advertised house rent a month, charges included

Source: Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte

Keep exploring

Everything we know about Le Thoult-Trosnay

12pages on Le Thoult-Trosnay

Landmarks

The list names few of Le Thoult-Trosnay’s 2 monuments; beside them, the nearest classé monuments in other towns, within 15.5 mi.

All monuments →

Famous people from Le Thoult-Trosnay

Wikidata has nobody with a French article born in Le Thoult-Trosnay yet.

How we find them →

Le Thoult-Trosnay’s neighbors

The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →

All towns in Marne →
MontmirailSézanneBlancs-CoteauxDormansÉpernayMontmirailSézanneBlancs-CoteauxDormansÉpernayLe Thoult-Trosnay
How the neighbors grade
TownPeopleMilesOverallCostSafetyHealth
Le Thoult-Trosnay105—————
Montmirail3,5356.7B−ABC+
Sézanne4,5769.4C+AC−B−
Blancs-Coteaux3,08015AAA−C−
Dormans2,89015BA−B+D
Épernay22,17418DBDC−

People: INSEE, census 2023. Miles: center to center.

About Le Thoult-Trosnay

Commune in Marne, Grand Est

Le Thoult-Trosnay is a commune of 105 people in the Communauté de communes de la Brie Champenoise. TownRatings compares communes, France’s local unit: each has its own mayor and its own statistics. Its area takes in the town and the countryside around it.

Built from INSEE’s 2026 official geography (COG) and IGN Admin Express boundaries

Population
105 (INSEE, census 2023)
Intercommunality
Communauté de communes de la Brie Champenoise
Département
Marne (51)
Région
Grand Est
Area
5.8 sq mi (15.1 km²)
INSEE code
51570

Sources: INSEE, census 2023 (population, employment, commuting) · INSEE, Filosofi 2023 (income per consumption unit, poverty) · Housing Ministry, Carte des loyers 2025 · SSMSI, recorded crime by commune, 2023–2025 · Ministry of Education (DEPP), brevet and bac results and value-added indicators, 2025 · INSEE, deaths by commune of residence 2016–2025 and censuses 2012–2023; Eurostat, death rates by age (© European Union); INSEE, BPE 2025 (care homes, emergency and maternity units, GPs, pharmacies); DREES, APL 2024; INSEE, life expectancy by département 2025 (provisional) · INSEE, BPE 2025 and Filosofi 200 m grid (walking distances) · IGN Admin Express (boundaries) · TownRatings grades: our own summary of the data, ranking French towns against each other only, 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.