Hennessey, OK zip code
Hennessey, Oklahoma uses one zip code: 73742. Most of it is in Kingfisher County. Together these zip codes are home to about 3.9K people.
Zip codes
1
Population
3.9K
All zips combined
Largest zip
73742
3,906 residents
Zip codes in Hennessey
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 73742 | 3,906 | $70,538 |