| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Harford | city | New York | United States | 42.43 | -76.23 | 1197 | |
| Harford | city | Pennsylvania | United States | 41.78 | -75.70 | 1233 | |
| Harford Commons | city | Maryland | United States | 39.42 | -76.30 | 29 | |
| Harford Dale | city | Maryland | United States | 39.55 | -76.36 | 400 | |
| Harford Downs | city | Maryland | United States | 39.60 | -76.49 | 830 | |
| Harford Estates | city | Maryland | United States | 39.56 | -76.38 | 406 | |
| Harford Farms | city | Maryland | United States | 39.41 | -76.52 | 301 | |
| Harford Furnace | city | Maryland | United States | 39.50 | -76.26 | 98 | |
| Harford Heights | city | Maryland | United States | 39.49 | -76.42 | 232 | |
| Harford Heritage | city | Maryland | United States | 39.63 | -76.48 | 830 | |
| Harford Hills | city | Maryland | United States | 39.40 | -76.53 | 370 | |
| Harford Hills | city | Maryland | United States | 39.61 | -76.33 | 308 | |
| Harford Hunt Manor | city | Maryland | United States | 39.55 | -76.49 | 830 | |
| Harford Landing | city | Maryland | United States | 39.43 | -76.26 | 3 | |
| Harford Manor | city | Maryland | United States | 39.43 | -76.27 | 3 | |
| Harford Mills | city | New York | United States | 42.41 | -76.20 | 1197 | |
| Harford Mobile Village | city | Maryland | United States | 39.44 | -76.32 | 49 | |
| Harford Park | city | Maryland | United States | 39.38 | -76.55 | 344 | |
| Harford Ranchettes | city | Maryland | United States | 39.54 | -76.27 | 308 | |
| Harford Square | city | Maryland | United States | 39.42 | -76.32 | 98 | |
| Harford Village | city | Maryland | United States | 39.56 | -76.37 | 413 | |
| Harford Woods | city | Maryland | United States | 39.54 | -76.34 | 252 |