About 78,000 people.

Frederick is a historic city with pretty brick streets and a creek that runs right through downtown. It is known for its old buildings, art, and friendly small-town feel.
You can stroll along Carroll Creek with its bridges and murals, visit a candy shop downtown, and hike nearby mountains and waterfalls.
Carroll Creek runs through downtown with little bridges, fountains, and painted walls. In the evening the lights glow and families walk along the water.
Just outside Frederick are green mountains with trails and waterfalls to explore. It is a great place for hiking and breathing fresh air.