Baltimore County, MD Zip Codes
20 zip codes across 2 cities in Baltimore County, MD
About Baltimore County
Baltimore County, Maryland (MD) contains 20 unique zip codes spanning 2 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Baltimore County.
Cities in Baltimore County
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All Zip Codes in Baltimore County, MD
| Zip Code | City |
|---|---|
| 21201 | Baltimore |
| 21202 | Baltimore |
| 21205 | Baltimore |
| 21206 | Baltimore |
| 21210 | Baltimore |
| 21211 | Baltimore |
| 21212 | Baltimore |
| 21213 | Baltimore |
| 21214 | Baltimore |
| 21215 | Baltimore |
| 21216 | Baltimore |
| 21217 | Baltimore |
| 21218 | Baltimore |
| 21223 | Baltimore |
| 21224 | Baltimore |
| 21225 | Brooklyn |
| 21229 | Baltimore |
| 21230 | Brooklyn |
| 21231 | Baltimore |
| 21239 | Baltimore |
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Frequently Asked Questions
How many zip codes are in Baltimore County, MD?
Baltimore County, MD has 20 zip codes across 2 cities.
What cities are in Baltimore County?
Cities in Baltimore County include Baltimore, Brooklyn.
What state is Baltimore County in?
Baltimore County is located in Maryland (MD).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.