original: Oxnard is the largest city in Ventura County, California in terms of population.
simplifications: Oxnard is the largest city in Ventura County, California in terms of amount of people. Oxnard is the largest city in Ventura County, California based on number of people. Oxnard is the largest city in Ventura County, California by population. Oxnard is the most populated city in Ventura County, California. Oxnard is the largest city in Ventura County, California by population. Oxnard has the largest population in Ventura County, California. The city with the largest population in Ventura County, California is Oxnard. In Ventura County, California, Oxnard has the largest population. Oxnard city of  Ventura County, California has the highest population. Oxnard is the biggest city in the county of Ventura, California in terms of population.