Fairfield, IL zip code
Fairfield, Illinois uses one zip code: 62837. Most of it is in Wayne County. Together these zip codes are home to about 7.9K people.
Zip codes
1
Population
7.9K
All zips combined
Largest zip
62837
7,868 residents
Zip codes in Fairfield
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 62837 | 7,868 | $50,536 |