Harford County
Harford County, Maryland
Congressional representation for Harford County, Maryland.
Congressional Districts
| District | Representative | Party | |
|---|---|---|---|
 | MD-01 | Andy Harris | Republican |
 | MD-02 | Johnny Olszewski, Jr. | Democrat |
ZIP Codes
| ZIP Code | Congressional District |
|---|---|
| 21001 | MD-01 |
| 21005 | MD-01 |
| 21009 | MD-01 |
| 21010 | MD-01 |
| 21013 | MD-01 (+ others) |
| 21014 | MD-01 |
| 21015 | MD-01 |
| 21017 | MD-01 |
| 21018 | |
| 21028 | MD-01 |
| 21034 | MD-01 |
| 21040 | MD-01 |
| 21047 | MD-01 |
| 21050 | MD-01 |
| 21078 | MD-01 |
| 21082 | MD-01 |
| 21084 | MD-01 |
| 21085 | MD-01 |
| 21087 | MD-01 (+ others) |
| 21111 | MD-01 (+ others) |
| 21130 | MD-01 |
| 21132 | MD-01 |
| 21154 | MD-01 |
| 21160 | MD-01 |
| 21161 | MD-01 (+ others) |