21220 Zip Code (Middle River, MD) Detailed Profile - City-Data.com
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WebZip Codes in US. 21220 Zip Code (Middle River, MD) Detailed Profile. Cities: Middle River, MD (26.53%), Bowleys Quarters, MD (18.13%), Rossville, MD (1.30%), Essex, MD (0.02%) County: Baltimore County, MD. Estimated zip code population in 2022: 42,672. Zip code population in 2010: 39,199. Zip code population in 2000: 36,551.
DA: 52 PA: 45 MOZ Rank: 87