List of 39 Zip Codes in Harford County, Maryland

On this page, we'll list out the 39 Harford County, Maryland ZIP codes we have, including the land area and county name of each code.

Maryland is the 42nd largest state by total land area, with a land area of 12,406 square miles (32,131 square kilometers) and has a total population of 6,037,624 people as of the most recent U.S. Census survey.

Harford County makes up approximately 6.18% of the total land area for Maryland and we have 39 zip codes for the county in our database, which you can see details of below, with land area information for each zip code.

ZIP Code Land Area (Sq. Meters) Land Area (Sq. Miles) Land Area (Sq. Kilometers)
21001 77,441,200 30 77
21001 77,441,200 30 77
21001 77,441,200 30 77
21005 20,637,800 8 21
21009 29,377,200 11 29
21009 29,377,200 11 29
21009 29,377,200 11 29
21010 13,302,300 5 13
21013 39,130,800 15 39
21014 36,477,500 14 36
21014 36,477,500 14 36
21014 36,477,500 14 36
21014 36,477,500 14 36
21015 80,085,900 31 80
21015 80,085,900 31 80
21015 80,085,900 31 80
21017 7,134,550 3 7
21034 65,082,100 25 65
21040 20,633,000 8 21
21047 60,927,700 24 61
21047 60,927,700 24 61
21047 60,927,700 24 61
21047 60,927,700 24 61
21050 73,589,800 28 74
21050 73,589,800 28 74
21050 73,589,800 28 74
21078 78,161,500 30 78
21078 78,161,500 30 78
21082 11,526,400 4 12
21084 63,526,000 25 64
21085 46,410,100 18 46
21085 46,410,100 18 46
21085 46,410,100 18 46
21087 36,286,200 14 36
21087 36,286,200 14 36
21130 1,956,900 1 2
21132 54,914,900 21 55
21154 104,556,000 40 105
21160 42,825,700 17 43

More Counties in Maryland

If you want to search and find zip codes for different counties in Maryland, the list below contains links to each of the 25 Maryland counties we have data for.

Data Source(s)

All of the zip code data on this page is sourced from the United States Census Bureau geography reference files.

Link To or Reference This Page

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If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!

  • "List of 39 Zip Codes in Harford County, Maryland". NameCensus.com. Accessed on November 28, 2022. https://namecensus.com/zip-codes/maryland/harford-county/.

  • "List of 39 Zip Codes in Harford County, Maryland". NameCensus.com, https://namecensus.com/zip-codes/maryland/harford-county/. Accessed 28 November, 2022

  • List of 39 Zip Codes in Harford County, Maryland. NameCensus.com. Retrieved from https://namecensus.com/zip-codes/maryland/harford-county/.