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Where am ILOCATED

Baltimore County, Maryland

Baltimore County, Maryland, has 847,650 residents (July 2025 estimate). Its county seat is Towson. It uses Eastern Time and covers 598 sq mi (1,550 km²) of land.

ColumbiaGermantown
Baltimore County in Maryland
Carroll CountyHarford CountyHoward CountyKent CountyBaltimore cityDundalkTowsonWoodlawn
Baltimore County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
847,650
Land area
598 sq mi (1,550 km²)
County seat or government
Towson
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$91,768 ± $1,446
Median home value
$349,300 ± $2,553
Median rent, with utilities
$1,627 ± $17
Homes lived in by their owners
66.4% ± 0.7 points
County type
County
Metro or micro area
Baltimore-Columbia-Towson, MD metro areaCentral county
Water area
83.4 sq mi (216 km²)
State
Maryland
County code (FIPS)
24005
Coordinates (central point)
39.443167, -76.616569
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Baltimore County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 2123466,334 people
  2. 2111762,816 people
  3. 2122259,407 people
  4. 2121552,229 people
  5. 2122850,492 people
  6. 2120648,902 people
  7. 2104348,525 people
  8. 2122447,465 people
  9. 2120747,099 people
  10. 2122946,679 people
  11. 2122143,487 people
  12. 2122042,824 people
All 57
  1. 2123639,514 people
  2. 2109339,100 people
  3. 2124438,208 people
  4. 2120837,276 people
  5. 2122734,907 people
  6. 2121233,974 people
  7. 2113632,088 people
  8. 2123731,425 people
  9. 2113331,398 people
  10. 2120930,126 people
  11. 2123927,346 people
  12. 2103025,827 people
  13. 2128621,853 people
  14. 2120419,845 people
  15. 2108517,307 people
  16. 2112815,501 people
  17. 2107414,777 people
  18. 2121014,134 people
  19. 2110212,162 people
  20. 212199,565 people
  21. 211637,539 people
  22. 211207,440 people
  23. 211317,141 people
  24. 211526,459 people
  25. 211046,052 people
  26. 210135,610 people
  27. 210875,537 people
  28. 211615,221 people
  29. 212524,865 people
  30. 211114,714 people
  31. 211624,639 people
  32. 210574,386 people
  33. 211553,313 people
  34. 210532,929 people
  35. 212502,834 people
  36. 21082626 people
  37. 21153456 people
  38. 21052409 people
  39. 21071404 people
  40. 21156204 people
  41. 21051172 people
  42. 2102366 people
  43. 2110536 people
  44. 2103126 people
  45. 212853 people

57 ZIP Code areas overlap Baltimore County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Baltimore County, largest first

  1. Baltimore County Public Schools850,796 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Dundalk, Maryland (CDP)65,969 people
  2. Towson, Maryland (CDP)58,679 people
  3. Catonsville, Maryland (CDP)43,368 people
  4. Essex, Maryland (CDP)40,580 people
  5. Woodlawn, Baltimore County, Maryland (CDP)40,379 people
  6. Owings Mills, Maryland (CDP)37,245 people
  7. Randallstown, Maryland (CDP)35,957 people
  8. Pikesville, Maryland (CDP)33,524 people
  9. Middle River, Maryland (CDP)31,712 people
  10. Milford Mill, Maryland (CDP)30,829 people
  11. Parkville, Maryland (CDP)30,549 people
  12. Perry Hall, Maryland (CDP)29,105 people
All 32
  1. Carney, Maryland (CDP)28,343 people
  2. Lochearn, Maryland (CDP)27,074 people
  3. Reisterstown, Maryland (CDP)25,582 people
  4. Cockeysville, Maryland (CDP)23,962 people
  5. Arbutus, Maryland (CDP)22,507 people
  6. Rosedale, Maryland (CDP)20,002 people
  7. Mays Chapel, Maryland (CDP)16,066 people
  8. Rossville, Maryland (CDP)16,059 people
  9. Overlea, Maryland (CDP)13,035 people
  10. Honeygo, Maryland (CDP)12,250 people
  11. White Marsh, Maryland (CDP)10,932 people
  12. Timonium, Maryland (CDP)10,304 people
  13. Garrison, Maryland (CDP)9,469 people
  14. Edgemere, Maryland (CDP)9,061 people
  15. Baltimore Highlands, Maryland (CDP)8,206 people
  16. Lansdowne, Maryland (CDP)7,876 people
  17. Bowleys Quarters, Maryland (CDP)7,006 people
  18. Lutherville, Maryland (CDP)6,574 people

See all 32 cities, towns and communities in Baltimore County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Baltimore city, Maryland9.9 mi south
  2. Harford County, Maryland18 mi east
  3. Howard County, Maryland21 mi southwest
  4. Carroll County, Maryland23 mi west
  5. Kent County, Maryland30 mi southeast
  6. Anne Arundel County, Maryland31 mi south
  7. York County, Pennsylvania34 mi north

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.