This article provides empirical results on the patterns of native and immigrant geographic mobility in France. Using longitudinal data, we measure mobility from one French municipality (commune) to another over time and estimate the effect of the initial municipality's ethnic composition on the probability of moving out. Relying on a unique methodology, we try to correct for biases related to selection based on geographical and individual unobservables. Our findings tend to discredit the hypothesis of the "white flight" central pattern in residential mobility dynamics in France. Some evidence nevertheless denotes ethnic avoidance mechanisms in natives' relocating. We also find a strong negative and highly robust effect of co-ethnics' presence on immigrant geographic mobility. The final discussion explores some avenues to interpret these findings.