Celina, located in Collin County, is known for its celebration of authentic culture. The community has many events throughout the year to promote community identity and an interest in culture. Celina has great school systems and neighborhoods, with a family-friendly environment.. The city is close to everything, ranging from recreational area parks, sports complexes, wildlife ranches, historic villages, and popular shopping and dining options near the DFW Metroplex and surrounding areas. The median income in Celina is $91,506 and the median home value is $228,100, which should give you a pretty good idea of its cost of living.