Complex sentence: Between the census of 1992 and that of 2002, the population of the municipality fell by 0.6% (245 people), exclusively in the rural population, since the city of Parral grew by around 1,900 people (7.7%).
Split into simpler sentences: Between the census of 1992 and that of 2002, the population of the municipality fell by 0.6% (245 people). This fall took place exclusively in the rural population, since the city of Parral grew by around 1,900 people (7.7%).