Census place · GEOID 2426000 · Howard County
Ellicott City, MD ZIP codes
5 ZIP/ZCTAs intersecting this Census place (CDP) in Howard County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Ellicott City (GEOID 2426000). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 143,838 (5 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Ellicott City, MD
ZIP/ZCTA overlap with Ellicott City
Population overlap
Share of each ZIP/ZCTA’s population located within Ellicott City, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Ellicott City
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 21042 | Ellicott City | Howard County | 43,021 | $190,504 |
| 21043 | Ellicott City | Howard County | 47,134 | $141,846 |
| 21045 | Columbia | Howard County | 40,866 | $117,323 |
| 21104 | Marriottsville | Howard County | 5,786 | $199,803 |
| 21163 | Woodstock | Howard County | 7,031 | $131,154 |
USPS associates these ZIPs with Ellicott City
These codes list Ellicott City as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 21041 | Ellicott City | Howard County | 452 | — |