Census place · GEOID 2419125 · Howard County
Columbia, MD ZIP codes
7 ZIP/ZCTAs intersecting this Census place (CDP) in Howard County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Columbia (GEOID 2419125). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 242,158 (7 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 Columbia, MD
ZIP/ZCTA overlap with Columbia
Population overlap
Share of each ZIP/ZCTA’s population located within Columbia, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 2102943.7%
- 210420.0%
- 210430.4%
- 2104497.3%
USPS primary city
- 2104599.0%
USPS primary city
- 21046100.0%
USPS primary city
- 210752.3%
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 Columbia
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 21029 | Clarksville | Howard County | 13,783 | $250,000+ |
| 21042 | Ellicott City | Howard County | 43,021 | $190,504 |
| 21043 | Ellicott City | Howard County | 47,134 | $141,846 |
| 21044 | Columbia | Howard County | 44,775 | $132,924 |
| 21045 | Columbia | Howard County | 40,866 | $117,323 |
| 21046 | Columbia | Howard County | 15,433 | $126,549 |
| 21075 | Elkridge | Howard County | 37,146 | $133,321 |
USPS associates these ZIPs with Columbia
These codes list Columbia as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 20588 | Dhs | Howard County | — | — |