Semur-en-Vallon

Identity

Semur-en-Vallon (INSEE 72333) is in Sarthe (72), part of CC des Vallées de la Braye et de l'Anille. Population 428 (2023). ^[1]

INSEE density class: Rural à habitat dispersé (level 6). ^[2]

Data vintages: INSEE BPE 2025 · INSEE SIRENE 2026-09 · INSEE census (RP) 2023 · INSEE COG 2026 · INSEE density grid 2026.

Permanent link: https://vivantrural.com/en/fr/72333-semur-en-vallon

Vitality score

Vitality score 28.3/100 — Few services (model fr-v0.2).

Confidence: high.

Better served than 59 % of the 17,940 communes of a similar size.

Compare this with communes of a similar size. The score measures how well a place is served relative to its own size band, and larger communes score higher as a rule — so it reads meaningfully against another village, and misleadingly against a town.

Measured but not scored in this model: Market. See the methodology for why.

Services

A school and somewhere to eat or drink, but no food shop. ^[3,4]

1 × Restaurant (RESTAURANT DU VALLON). ^[3,4]

1 × Primary school (élémentaire) (ECOLE PRIMAIRE PUBLIQUE). ^[3]

1 × Post office / agence postale (SEMUR EN VALLON AP). ^[3]

1 × Library (BIBLIOTHÈQUE). ^[3]

Not counted, because the business register records them as closed: 1 × Bakery (boulangerie), 1 × Restaurant.

Not found in the commune: Bakery (boulangerie), Butcher (boucherie), Grocery (épicerie / supérette), Supermarket, Café / bar, Nursery school (maternelle), GP (médecin généraliste), Pharmacy. ^[3,4]

Market and village life

Market day: unknown — nothing found in the datasets or on the commune website.

Trajectory

Population 447 (2012) → 428 (2023): -4.3 % over 10 years. ^[5,1]

Population 429 (1990) → 428 (2023): -0.2 % over 30 years. ^[6,1]

Dwellings (2023): 284, of which 17.6 % second homes and 11.6 % vacant. ^[7]

Access and surroundings

Bakery (Dollon): 5.1 km to the west (straight line). ^[8]

Food shop (Lavaré): 3.3 km to the north (straight line). ^[9]

GP (Vibraye): 6.7 km to the north-east (straight line). ^[10]

Pharmacy (Dollon): 5.2 km to the west (straight line). ^[8]

Primary school (Semur-en-Vallon): 0.1 km to the east (straight line). ^[11]

Climate

An average of 14 days a year at or above 30 °C and 41 days at or below 0 °C, over 19 complete years in 1995–2024. ^[12]

Measured at the LE LUART weather station, 7.4 km away at 112 m; the village itself is at 118 m. ^[12]

Muggy days — a dew point at or above 18 °C — average 1 day a summer. ^[12]

Humidity measured at LE LUART, 7.4 km away at 112 m, over 20 summers. ^[12]

An average of 706 mm of rain a year, spread over 115 days — about 6.1 mm on a day it rains. ^[12]

Rainfall measured at LE LUART, 7.4 km away at 112 m. Rainfall is not adjusted for altitude: unlike temperature it has no simple gradient to correct by. ^[12]

What property sold for

37 houses sold between 2021 and 2025, at a median of 82,000 € — 837 € per m² of built surface. ^[13]

The median across Sarthe is 1,300 € per m², so this commune sits below it. ^[13]

These are recorded sale prices, not valuations or asking prices, and a median over five years spans five different markets. Built surface excludes land, which carries much of a rural property's value.

Uncertainties

No specific uncertainties flagged.

References

1. INSEE census (RP) 2023 — 72333/2023
2. INSEE density grid 2026
3. INSEE BPE 2025
4. INSEE SIRENE 2026-09
5. INSEE census (RP) 2023 — 72333/2012
6. INSEE census (RP) 2023 — 72333/1990
7. INSEE census (RP) 2023 — 72333/logement/2023
8. INSEE BPE 2025 — 72118
9. INSEE BPE 2025 — 72158
10. INSEE BPE 2025 — 72373
11. INSEE BPE 2025 — 72333
12. Météo-France daily climatology 1995-2024
13. DVF (DGFiP property transactions) 2021-2025