Smithfield, KY zip code
Smithfield, Kentucky uses one zip code: 40068. Most of it is in Henry County. Together these zip codes are home to about 2.6K people.
Zip codes
1
Population
2.6K
All zips combined
Largest zip
40068
2,570 residents
Zip codes in Smithfield
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 40068 | 2,570 | $80,750 |