William Winchester (1706-1790) purchased approximately 167 acres of land in the area in 1754, which became known as White’s Level and later the town of Winchester. In 1768, The Maryland General Assembly changed the name of the town to Westminster to avoid confusion with Winchester, Virginia.
Since 1868, Westminster has held an annual Memorial Day parade, which is one of the longest continuously running Memorial Day parades in the country.
A historic marker states that Westminster was the first place in the nation to offer Rural Free Delivery postal service
On June 26, 2015, the city of Westminster lit the Westminster Fiber Network, the first community-wide gigabit fiber to the premise network in the Mid-Atlantic region.

These charts show statistics for Westminster, MD for the following: Median Sale Price, Active Listings. Average Days on Market, Months of Supply. Each chart shows Detached and Attached housing types.