No historic monuments in Onans
25% of compared French towns have no historic monument either. From Onans, the nearest classé monument is in Granges-le-Bourg, 7.2 km away.
The nearest classé monuments to Onans
Towns within 15.5 mi with at least one classé monument, nearest first.
| Town | Distance | Monuments | Classé | Protected area |
|---|---|---|---|---|
| Granges-le-Bourg | 4.5 mi | 4 | 1 | — |
| Fallon | 6.1 mi | 2 | 1 | — |
| Anteuil | 8.3 mi | 1 | 1 | — |
| Héricourt | 8.5 mi | 3 | 1 | — |
| Montbéliard | 8.7 mi | 34 | 8 | Yes |
| Cubry | 8.7 mi | 1 | 1 | — |
7 towns in Doubs have protected historic areas: Besançon, Montbéliard, Audincourt, Valentigney, Baume-les-Dames, Maîche, Montfaucon.
33% of homes in Onans were built before 1919
Main homes by when they were finished, beside the median compared French town (the tick).
33% of its main homes were built before 1919; the median compared French town has 7.4%. More of them were finished before 1919 than in any other period (33%).
INSEE, census 2023: main homes (résidences principales) only; second homes and empty homes aren’t dated.
Onans in brief
Old houses are part of Onans’s character: 33% of its homes were built before 1919, against 7.4% in the median compared French town. Onans has nothing on the list; Granges-le-Bourg, 4.5 mi away, is the nearest place with classé monuments.
France has no History Grade yet: this page describes, it doesn’t grade.
Sources: Ministère de la Culture, Mérimée base on POP (immeubles protégés au titre des monuments historiques), October 2026 · Ministère de la Culture, sites patrimoniaux remarquables, October 2026 · INSEE, census 2023 (main homes by build period) · IGN Admin Express (boundaries) · Medians and percentiles: TownRatings, over compared French towns, 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.