List of 45 Zip Codes in Howard County, Maryland

On this page, we'll list out the 45 Howard 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.

Howard County makes up approximately 6.44% of the total land area for Maryland and we have 45 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)
20701 3,428,520 1 3
20723 34,018,000 13 34
20723 34,018,000 13 34
20723 34,018,000 13 34
20759 16,425,900 6 16
20759 16,425,900 6 16
20759 16,425,900 6 16
20763 3,662,440 1 4
20777 19,568,800 8 20
20777 19,568,800 8 20
20794 26,420,100 10 26
20794 26,420,100 10 26
20794 26,420,100 10 26
20794 26,420,100 10 26
20794 26,420,100 10 26
20833 49,836,800 19 50
20833 49,836,800 19 50
20833 49,836,800 19 50
21029 41,304,700 16 41
21029 41,304,700 16 41
21029 41,304,700 16 41
21042 97,095,100 37 97
21042 97,095,100 37 97
21043 44,017,800 17 44
21043 44,017,800 17 44
21043 44,017,800 17 44
21043 44,017,800 17 44
21044 31,075,600 12 31
21045 25,138,600 10 25
21045 25,138,600 10 25
21046 20,186,700 8 20
21075 37,583,100 15 38
21075 37,583,100 15 38
21075 37,583,100 15 38
21076 32,594,700 13 33
21076 32,594,700 13 33
21076 32,594,700 13 33
21104 43,981,900 17 44
21104 43,981,900 17 44
21163 32,691,000 13 33
21163 32,691,000 13 33
21771 220,313,000 85 220
21784 149,011,000 58 149
21784 149,011,000 58 149
21797 112,104,000 43 112

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 45 Zip Codes in Howard County, Maryland". NameCensus.com. Accessed on September 24, 2022. https://namecensus.com/zip-codes/maryland/howard-county/.

  • "List of 45 Zip Codes in Howard County, Maryland". NameCensus.com, https://namecensus.com/zip-codes/maryland/howard-county/. Accessed 24 September, 2022

  • List of 45 Zip Codes in Howard County, Maryland. NameCensus.com. Retrieved from https://namecensus.com/zip-codes/maryland/howard-county/.