Welcome to the City of Lucas. Proximity to the city conveniences offered by Allen, Plano and Richardson and North Dallas with a country feel! Located in Collin County with a population of only 5,364 people and 11.73 square miles in size, the City of Lucas has excellent schools served by Lovejoy, Allen, McKinney, Plano, Wylie, and Princeton and a great location making it a desirable place to raise a family or to retire. The density is 457 people per square mile. With the convenience of Lake Lavon, offering rich wildlife environment or if you enjoy fishing, you can have your boat launched onto the lake within minutes. If you enjoy horses, there is a 9 mile equestrian trail ready for your relaxing ride through the City of Lucas.