Buno-Bonnevaux

Identity

Buno-Bonnevaux (INSEE 91121) is in Essonne (91), part of CC des 2 Vallées. Population 527 (2023). ^[1]

INSEE density class: Bourgs ruraux (level 5). ^[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/91121-buno-bonnevaux

Vitality score

Vitality score 27.4/100 — Few services (model fr-v0.2).

Confidence: high.

Better served than 49 % of the 17,659 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. ^[3,4]

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

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

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

Market and village life

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

Trajectory

Population 477 (2012) → 527 (2023): 10.5 % over 10 years. ^[5,1]

Population 430 (1990) → 527 (2023): 22.6 % over 30 years. ^[6,1]

Dwellings (2023): 280, of which 16.1 % second homes and 5 % vacant. ^[7]

Access and surroundings

Bakery (Prunay-sur-Essonne): 1.2 km to the west (straight line). ^[8]

Food shop (Prunay-sur-Essonne): 0.9 km to the south-west (straight line). ^[8]

GP (Maisse): 3.7 km to the north (straight line). ^[9]

Pharmacy (Maisse): 3.8 km to the north (straight line). ^[9]

Primary school (Buno-Bonnevaux): 0 km to the north-east (straight line). ^[10]

Climate

An average of 14 days a year at or above 30 °C and 46 days at or below 0 °C, over 25 complete years in 1995–2024. ^[11]

Measured at the BOIGNEVILLE weather station, 3.9 km away at 115 m; the village itself is at 67 m. ^[11]

Muggy days — a dew point at or above 18 °C — average 1 day a summer. ^[11]

Humidity measured at BOIGNEVILLE, 3.9 km away at 115 m, over 21 summers. ^[11]

An average of 617 mm of rain a year, spread over 111 days — about 5.6 mm on a day it rains. ^[11]

Rainfall measured at BOIGNEVILLE, 3.9 km away at 115 m. Rainfall is not adjusted for altitude: unlike temperature it has no simple gradient to correct by. ^[11]

What property sold for

36 houses sold between 2021 and 2025, at a median of 248,525 € — 2,403 € per m² of built surface. ^[12]

The median across Essonne is 3,377 € per m², so this commune sits below it. ^[12]

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 — 91121/2023
2. INSEE density grid 2026
3. INSEE BPE 2025
4. INSEE SIRENE 2026-09
5. INSEE census (RP) 2023 — 91121/2012
6. INSEE census (RP) 2023 — 91121/1990
7. INSEE census (RP) 2023 — 91121/logement/2023
8. INSEE BPE 2025 — 91507
9. INSEE BPE 2025 — 91359
10. INSEE BPE 2025 — 91121
11. Météo-France daily climatology 1995-2024
12. DVF (DGFiP property transactions) 2021-2025