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Where am ILOCATED

Howard County, Maryland

Howard County, Maryland, has 339,183 residents (July 2025 estimate). Its county seat is Ellicott City. It uses Eastern Time and covers 251 sq mi (650 km²) of land.

BaltimoreGermantown
Howard County in Maryland
Montgomery CountyColumbiaEllicott CityIlchesterElkridgeNorth Laurel
Howard County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
339,183
Land area
251 sq mi (650 km²)
County seat or government
Ellicott City
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$149,763 ± $3,158
Median home value
$597,900 ± $6,060
Median rent, with utilities
$2,099 ± $33
Homes lived in by their owners
71.5% ± 1.0 points
County type
County
Metro or micro area
Baltimore-Columbia-Towson, MD metro areaCentral county
Water area
2.45 sq mi (6.34 km²)
State
Maryland
County code (FIPS)
24027
Coordinates (central point)
39.252264, -76.924406
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 Howard 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. 2104348,525 people
  2. 2104444,114 people
  3. 2104243,327 people
  4. 2104540,034 people
  5. 2178439,258 people
  6. 2107537,363 people
  7. 2072336,866 people
  8. 2177133,031 people
  9. 2107624,268 people
  10. 2079416,814 people
  11. 2104615,608 people
  12. 2102913,607 people
All 25
  1. 217978,643 people
  2. 208337,860 people
  3. 211637,539 people
  4. 207596,624 people
  5. 211046,052 people
  6. 217383,696 people
  7. 207773,221 people
  8. 207632,601 people
  9. 210362,569 people
  10. 217372,474 people
  11. 217942,192 people
  12. 21723669 people
  13. 20701513 people

25 ZIP Code areas overlap Howard 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.

Election districts in Howard County, largest first

  1. District 6, Savage102,923 people
  2. District 5, Clarksville73,624 people
  3. District 2, Ellicott City69,846 people
  4. District 1, Elkridge55,514 people
  5. District 3, West Friendship18,784 people
  6. District 4, Lisbon15,637 people

People counts are American Community Survey 2020–2024 5-year estimates. All election districts in Maryland, by county

School districts in Howard County, largest first

  1. Howard County Public Schools336,328 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. Columbia, Maryland (CDP)104,338 people
  2. Ellicott City, Maryland (CDP)75,257 people
  3. Ilchester, Maryland (CDP)28,364 people
  4. Elkridge, Maryland (CDP)26,283 people
  5. North Laurel, Maryland (CDP)25,563 people
  6. Scaggsville, Maryland (CDP)10,564 people
  7. Jessup, Maryland (CDP)9,931 people
  8. Savage, Maryland (CDP)8,239 people
  9. Fulton, Maryland (CDP)5,677 people
  10. Highland, Maryland (CDP)972 people
  11. Lisbon, Maryland (CDP)126 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Montgomery County, Maryland17 mi southwest
  2. Baltimore County, Maryland21 mi northeast
  3. Carroll County, Maryland22 mi north
  4. Anne Arundel County, Maryland27 mi southeast
  5. Frederick County, Maryland29 mi northwest
  6. Prince George's County, Maryland30 mi south

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.