Billboards in Westminster's 21157 ZIP Code

Put your business in front of Carroll County drivers in Westminster, Maryland (ZIP 21157). Compare billboards, see pricing and book online with no agency in the middle. Billboards in 21157 typically run $600–$3,994 per location per month, depending on size, format (static or digital), and traffic.

Why advertise on billboards in Westminster, MD 21157

Westminster is the county seat of Carroll County, about 35 miles northwest of Baltimore. Maryland Route 140 is the main commercial corridor, connecting to Reisterstown and the Baltimore Beltway to the southeast and Taneytown to the northwest, while Routes 27, 32 and 97 run north-south. McDaniel College and Carroll Hospital are among the major institutions.

High-traffic billboard locations in 21157

• Route 140, the main corridor to Baltimore

• Route 27

• Route 97

• Route 26 (nearby)

Who you'll reach: 21157 demographics

• Population: about 38,984 residents

• Households: 14,785, averaging 2.48 people per household

• Median household income: $104,966 (average $128,446)

• Median home value: $424,100

• Median age: 43.2 years

• Population mix: 84.6% White, 6.5% Hispanic or Latino, 3.9% Black, 1.3% Asian

• Adults 25+ with a bachelor's degree or higher: 37.9%

• Average commute to work: 31 minutes

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-Year Estimates (ZCTA5 21157). Race categories other than Hispanic or Latino are non-Hispanic.

Businesses that do well with Westminster billboards

Healthcare, auto dealers, home services, restaurants, financial advisors and real estate fit this established, higher-income county.

How to buy a billboard in 21157

1. Browse available billboards on the map.

2. Compare prices, sizes, and traffic counts.

3. Check availability and book online.

How much does a billboard cost in Westminster, MD?

Most 21157 placements cost $600–$3,994 per month. Route 140 placements are priced highest, while Routes 27 and 97 offer lower-cost options.