Columbia, KY zip code
Columbia, Kentucky uses one zip code: 42728. Most of it is in Adair County. Together these zip codes are home to about 16K people.
Zip codes
1
Population
16K
All zips combined
Largest zip
42728
16,412 residents
Zip codes in Columbia
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 42728 | 16,412 | $51,623 |