Westminster
- County:
- Carroll County
- County Seat:
- Yes
- Area (mi²):
- 6.761
- State:
- Maryland
Westminster is a city located in Carroll County, Maryland. Westminster has a 2026 population of 20,662. It is also the county seat of Carroll County. Westminster is currently growing at a rate of 0.17% annually and its population has increased by 2.64% since the most recent census, which recorded a population of 20,130 in 2020.