More Cost of Living or Compare Street (zip 21154)'s Cost of Living. Street ZIP Code 21154 Address The map coordinates of latitude and longitude for Street 21154 are 39.6574, -76.3713 as shown in the map below. Key Zip or click on the map.. Advertisement. CHECK OUT WBAL:Get all the latest Baltimore news, weather and sports. 21154 zip code is part of Harford County. Compared to the rest of the country, Street (zip 21154)'s cost of living is 19.8% higher than the U.S. average. At $379,900 the average home value here is a bit higher than average for the Baltimore-Towson metro area, so this probably … ... Maryland coronavirus data by ZIP code. Zip code 21154 is primarily located in Harford County. Most homes for sale in 21154 stay on the market for 114 days and receive 1 offers. 21154 - 250 Cases. There are currently 8 recently sold homes for sale in 21154 at a median listing price of $618K. Here's the list of 9-digit zip code for 21154 ZIP Code.Click to find more information, including detail address, record type, range etc. Income Per Household: WEATHER & CLIMATE September, June and May are the most pleasant months in the 21154 zip code, while January and February are the least comfortable months. Help. Street post office Address ZIP Code in United States Street Post Office ZIP Code is 21154. Portions of zip code 21154 are contained within or border the city limits of . Description Legal. View 21154 statistics on real estate, income levels, demographics, and schools. 21154 is a sparsely populated, upscale rural zip code in Street, Maryland. Claim this business Favorite Share More Directions Sponsored Topics. 21154, MD × Show Labels. The population is primarily white, older, and mostly married couples. 21157 - 1406 Cases. Street, MD . Some of these homes are "Hot Homes," meaning they're likely to sell quickly. As of 2010-2014, the total 21154 zip code population is 6,678, which has grown 17.36% since 2000. Zip Code 21154 Description Zip Code 21154 is located in the state of Maryland in the Baltimore metro area. Zip Code Boundary Map Zip Code 21154 Street, Maryland . 21154 ZIP Code 5 Plus 4 What are the 4 digit zip extensions of 21154 ZIP Code. 21156 - 21 Cases. 21154 zip code has 40.37 square miles of land area and 0.18 square miles of water area. Zip Code: 21154 : Population: 6,464: Area Code: Households per Zip Code: 2,280: City: STREET: Average House Value: $351,100: State: MD: Avg. The official US Postal Service name for 21154 is STREET, Maryland. Street is located in Maryland, Harford, United States. 21154. 21155 - 63 Cases. 21154 zip code is located close to the center of Maryland. This map is refreshed with the newest listings in 21154 every 15 minutes.