There are 20 zip codes in Howard County, Maryland. The most populated is 21043, located in Ellicott City. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
---|---|---|
21043 | Ellicott City | 47,309 |
21044 | Columbia | 45,100 |
21042 | Ellicott City | 42,528 |
21045 | Columbia | 40,980 |
21075 | Elkridge | 36,176 |
20723 | Laurel | 35,845 |
20794 | Jessup | 16,035 |
21046 | Columbia | 15,894 |
21029 | Clarksville | 13,817 |
21797 | Woodbine | 9,034 |
20759 | Fulton | 6,125 |
21104 | Marriottsville | 6,077 |
21738 | Glenwood | 3,786 |
20777 | Highland | 3,220 |
21737 | Glenelg | 2,406 |
21794 | West Friendship | 2,309 |
20763 | Savage | 2,219 |
21036 | Dayton | 2,145 |
20701 | Annapolis Junction | 794 |
21723 | Cooksville | 689 |