Fontainebrux

Identity

Fontainebrux (INSEE 39229) is in Jura (39), part of CC Bresse Haute Seille. Population 224 (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/39229-fontainebrux

Vitality score

Vitality score 16.7/100 — No daily shops (model fr-v0.2).

Confidence: high.

Better served than 41 % of the 16,663 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

No food shop, school, café or restaurant in the commune. ^[3,4]

2 × Hairdresser (D KOIFF). ^[3,4]

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

Not found in the commune: Bakery (boulangerie), Butcher (boucherie), Grocery (épicerie / supérette), Supermarket, Restaurant, Café / bar, Nursery school (maternelle), Primary school (élémentaire), 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 187 (2012) → 224 (2023): 19.8 % over 10 years. ^[5,1]

Population 116 (1990) → 224 (2023): 93.1 % over 30 years. ^[6,1]

Dwellings (2023): 99, of which 8.1 % second homes and 3 % vacant. ^[7]

Access and surroundings

Bakery (Saillenard): 4.1 km to the west (straight line). ^[8]

Food shop (Saillenard): 4.2 km to the west (straight line). ^[8]

GP (Beaurepaire-en-Bresse): 4 km to the south-west (straight line). ^[9]

Pharmacy (Bletterans): 5.3 km to the north-east (straight line). ^[10]

Primary school (Larnaud): 2.5 km to the east (straight line). ^[11]

Climate

An average of 21 days a year at or above 30 °C and 42 days at or below 0 °C, over 30 complete years in 1995–2024. ^[12]

Measured at the LONS LE SAUNIER weather station, 7.4 km away at 298 m; the village itself is at 206 m. ^[12]

The village sits 92 m below the station, so each day's reading was shifted by 5.55 °C per km of altitude before the days were counted. Expect the result to be within about 0.68 °C. ^[12]

Muggy days — a dew point at or above 18 °C — average 3 days a summer. ^[12]

Humidity measured at LONS LE SAUNIER, 7.4 km away at 298 m, over 30 summers. ^[12]

That station sits 92 m above the village, so each day's humidity was shifted by 3.06 °C per km before the muggy days were counted. ^[12]

An average of 1,141 mm of rain a year, spread over 132 days — about 8.6 mm on a day it rains. ^[12]

Rainfall measured at LONS LE SAUNIER, 7.4 km away at 298 m. Rainfall is not adjusted for altitude: unlike temperature it has no simple gradient to correct by. ^[12]

Uncertainties

No specific uncertainties flagged.

References

1. INSEE census (RP) 2023 — 39229/2023
2. INSEE density grid 2026
3. INSEE BPE 2025
4. INSEE SIRENE 2026-09
5. INSEE census (RP) 2023 — 39229/2012
6. INSEE census (RP) 2023 — 39229/1990
7. INSEE census (RP) 2023 — 39229/logement/2023
8. INSEE BPE 2025 — 71380
9. INSEE BPE 2025 — 71027
10. INSEE BPE 2025 — 39056
11. INSEE BPE 2025 — 39279
12. Météo-France daily climatology 1995-2024