County · GEOID 24021
Frederick County, MD ZIP codes
35 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Frederick County (GEOID 24021). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 358,608 (35 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Frederick County
Population overlap
Share of each ZIP/ZCTA’s population located within Frederick County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 2084216.3%
- 208712.1%
- 21701100.0%
Directory county
- 21702100.0%
Directory county
- 21703100.0%
Directory county
- 21704100.0%
Directory county
- 21705100.0%
Directory county
- 21710100.0%
Directory county
- 21714100.0%
Directory county
- 21716100.0%
Directory county
- 21717100.0%
Directory county
- 21718100.0%
Directory county
- 217194.0%
- 21727100.0%
Directory county
- 21754100.0%
Directory county
- 21755100.0%
Directory county
- 2175755.2%
Directory county
- 2175864.9%
Directory county
- 21762100.0%
Directory county
- 2176999.8%
Directory county
- 21770100.0%
Directory county
- 2177145.2%
Directory county
- 21773100.0%
Directory county
- 21774100.0%
Directory county
- 2177613.6%
- 21777100.0%
Directory county
- 21778100.0%
Directory county
- 2178094.4%
Directory county
- 2178312.3%
- 217872.3%
- 21788100.0%
Directory county
- 21790100.0%
Directory county
- 2179147.1%
- 21793100.0%
Directory county
- 21798100.0%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Frederick County
USPS associates these ZIPs with Frederick County
These codes list Frederick County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 21709 | Frederick | Frederick County | — | — |
| 21759 | Ladiesburg | Frederick County | 20 | — |
| 21775 | New Midway | Frederick County | 21 | — |
| 21792 | Unionville | Frederick County | — | — |