France›Haut-Rhin›Grand Est

KœstlachHaut-Rhin

With 505 residents, it is a town in Haut-Rhin, Grand Est.

Population

505

INSEE, census 2023 · commune

Rent

€13.67

per m² a month · apartments · estimated advertised rents · median of compared French towns €12.41/m²

Median income

€37,070

a year per consumption unit · median of compared French towns €25,970

Walk, cycle, transit

of working residents · median of compared French towns 13%

Is Kœstlach a good place to live?

There are no grades for Kœstlach: French towns need 1,000 residents for them.

Vestiges d'une installation de bain romaine · Classé · Photo: Rauenstein · CC BY-SA 3.0

Kœstlach’s story

Kœstlach in pictures

The Culture ministry lists 1 historic monument in Kœstlach: 1 classé (France’s highest heritage protection) and 0 inscrit (the second level).

The oldest protected part dates from Antiquity; the first monument here was protected in 1907.

17% of its homes were built before 1919, against 7.4% in the median compared French town.

1907First protected: Vestiges d'une installation de bain romaine

Explore the history →

The data

Data highlights are ordered by what stands out in Kœstlach.

Who lives here

Kœstlach has fewer older residents than Haut-Rhin’s towns or compared French towns: 16% are 65 or over

Degrees are held by 23% of adults, below Haut-Rhin’s towns (31%) and compared French towns (30%) alike. Young adults of 15 to 24 account for 9.4% of the town. Children under 15 make up 18% of residents.

41.6median age

KœstlachHaut-Rhin medianFrance median

Haut-Rhin medianFrance median

Ages · share of residents

Highest diploma · residents 15 and older who have left education

No diploma19%

CAP or BEP36%

Baccalauréat18%

Higher education23%

Women and men · all residents

48% women, 52% men

About 106 men for every 100 women. Median share of women: Haut-Rhin 51.5%, France 51.8%.

Ages and diplomas in Kœstlach
	Kœstlach	Haut-Rhin median	France median
Under 15	18%	16%	17%
15–24	9.4%	10%	11%
25–44	26%	24%	23%
45–64	30%	27%	26%
65+	16%	22%	22%
No diploma	19%	18%	19%
CAP or BEP	36%	29%	26%
Baccalauréat	18%	18%	18%
Higher education	23%	31%	30%

Full pageKœstlach’s Who lives here pageOpen the page

Ages41.6 median age · 16% are 65 or over Households200 households · 2.5 people per household Born abroad7.2% immigrants · Born abroad, not French at birth Questions“What is the population of Kœstlach?”

INSEE, census 2023 · Haut-Rhin median and France median: the median of compared communes

History

Old homes shape Kœstlach: 17% were built before 1919, more than in Haut-Rhin’s towns or compared French towns

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

Among the classé monuments in Kœstlach is Vestiges d'une installation de bain romaine. The earliest of these monuments dates from Antiquity.

1historic monument

Monuments by protection · Mérimée

Classé1

Inscrit0

Among them · Classé

Vestiges d'une installation de bain romaine Antiquity

Antiquity

oldest protected part

1907

first monument protected

Full pageKœstlach’s history pageOpen the page

Age of homes17% built before 1919 · Older homes Map1 historic monument Classé1 classé · France’s highest protection Questions“How many historic monuments are there in Kœstlach?”

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

Work & commute

Incomes in Kœstlach run higher than in Haut-Rhin’s towns or compared French towns: a median €37,070 a year per consumption unit

3.2% of commuters went to work on foot, by bike or by public transport at the census. Unemployment stood at 4.2%, below both Haut-Rhin’s towns (10.5%) and compared French towns (10.1%). Jobs based in Kœstlach number 50, against 250 residents in work (0.2 per worker).

3%walk, cycle or take transit

How working residents got to work · census 2023

Driving94%

On foot2%

Motorbike or scooter1%

Public transport1%

Bicycle0%

jobs based in Kœstlach, 0.2 per working resident

4.2%

unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%

€37,070

median annual income per consumption unit, 2023 · median of compared French towns €25,970

worked without traveling (at or from home)

Full pageKœstlach’s work & commute pageOpen the page

Median income€37,070 a year · Median income per consumption unit Getting to work3% walk, cycle or take transit Jobs based here50 jobs based here · 0.2 per working resident

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

Schools

88.0% of candidates passed the brevet at the collège within 5 km, 2 points below the expected rate

Primary schools aren’t graded: France doesn’t publish their results by school.

For the general bac, the closest lycée is 7.5 mi away. The town’s pupils have a collège 2.2 mi away.

88.0%passed the brevet

Brevet pass rate · collèges within 5 km

Kœstlach88.0%

Median of towns87.5%

School	Level	Candidates	Passed, 2025
Collège Adélaïde HautvalNearest collègeCollège	Collège	101	88%−2 pts

88.0%

passed the brevet at the collèges, −2 pts against the expected rate

2.2 mi

to the nearest collège from the town center

Full pageKœstlach’s schools pageOpen the page

Collèges88.0% passed the brevet · One collège within 5 km

Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte

Housing

Estimated advertised rents run higher in Kœstlach than in Haut-Rhin’s towns or across compared French towns: €13.67/m² a month

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

€13.67/m²estimated apartment rent a month

Estimated advertised apartment rent per m² a month

Kœstlach€13.67/m²

Median of towns€12.41/m²

Haut-Rhin median€12.78/m²

€13.67/m²

estimated advertised apartment rent a month, charges included (€10.74 to €17.40/m² a month)

€10.28/m²

estimated advertised house rent a month, charges included

Full pageKœstlach’s cost of living pageOpen the page

Renting€13.67/m² a month · Estimated advertised apartment rent

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

Nearby attractions

Château de Ferrette and 6 more in and around Kœstlach

Heritage, other places to visit and museums in and near Kœstlach. Best known first.

All attractions →

ChâteauChâteauChâteau de Ferrette3.6 km southeast, in Ferrette MuseumMuseumMusée du sapeur-pompier2.3 km east, in Vieux-Ferrette Monastery or conventMonastery or conventCouvent de Luppach4.3 km east, in Bouxwiller ChâteauChâteauChâteau de Liebenstein4.9 km southwest, in Liebsdorf AttractionAttractionCrypte de Luppach4.4 km east, in Bouxwiller AttractionAttractionLa porte haute3.7 km southeast, in Ferrette

Keep exploring

Everything we know about Kœstlach

12pages on Kœstlach

The big questions

SchoolsOne collèges and 0 lycées within 5 km Health0 GPs · nearest emergency department 8.2 mi away Work & commute50 jobs based here Flood & hazards

Out and about

OutdoorsAttractionsClimateWeather

The story

Who lives hereMedian age 41.6 History1 historic monument Town HallFamous people

Landmarks

Kœstlach has one historic monument; beside it, the nearest classé monuments in other towns, within 15.5 mi.

All monuments →

Vestiges d'une installation de bain romainePublic building · Antiquity

Classé

Église catholique Saint-Bernard-de-MenthonChurch · 14th c. · in Ferrette, 2.1 mi

Classé

Ruines du château de MorimontChâteau · 15th c. · in Oberlarg, 5 mi

Classé

Chapelle Saint-Martin (chapelle du cimetière)Chapel · 14th & 15th c. · in Oltingue, 5.3 mi

Photo credits

Vestiges d'une installation de bain romaine: Photo: Rauenstein · CC BY-SA 3.0

Famous people from Kœstlach

Wikidata has nobody with a French article born in Kœstlach yet.

How we find them →

Kœstlach’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 Haut-Rhin →

AltkirchHégenheimHésingueBlotzheimDelleZillisheimKœstlach

How the neighbors grade

Town	People	Miles	Overall	Cost	Safety	Health
Kœstlach	505	—	—	—	—	—
Altkirch	5,687	8.1	A	A	C	C⁺
Hégenheim	3,410	12	A	B⁻	B	B
Hésingue	2,972	12	A⁺	B	A	B
Blotzheim	5,282	12	A	B	B⁺	C
Delle Territoire de Belfort	5,623	13	C⁻	A	D	C
Zillisheim	2,561	13	—	C⁺	—	B

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

About Kœstlach

Commune in Haut-Rhin, Grand Est

Kœstlach is a commune of 505 people in the Communauté de communes Sundgau. 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: 505 (INSEE, census 2023)
Intercommunality: Communauté de communes Sundgau
Département: Haut-Rhin (68)
Région: Grand Est
Area: 3.2 sq mi (8.2 km²)
INSEE code: 68169

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.