Fairfield, IL ZIP Codes
One ZIP code serves Fairfield, Illinois: 62837. Together they are home to 7,868 residents in 3,677 households. That is more than the 4,561 people counted inside Fairfield city limits, because these ZIP codes reach past its boundary.
Fairfield city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 4,561 |
| Households | 2,314 |
| Median household income | $41,989 |
| Median home value | $88,800 |
| Median age | 46.4 |
| Median rent | $585 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 7,868 |
| Households (sum of ZIP codes) | 3,677 |
| Median household income, range across ZIP codes | $50,536 (62837) to $50,536 (62837) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $50,536 |
| Homeowners | 76.8% |
| Households with kids under 18 | 25.6% |
| Moved in the past year | 17.7% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Fairfield
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 62837 | Fairfield | 7,868 | 3,677 | $50,536 | $103,900 | 76.8% | 25.6% | 17.7% | — | — | 2% of its land; mailing city |
A ZIP code is listed for Fairfield when at least 10% of its land lies inside Fairfield city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Fairfield. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Fairfield.
Counties
- Wayne County — 17 ZIP codes
Price a mailing to Fairfield ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Fairfield, IL?
- 62837. A ZIP code is listed for Fairfield when at least 10% of its land lies inside Fairfield city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Fairfield.
- What is the population of Fairfield, IL?
- The Census Bureau counts 4,561 residents inside Fairfield city limits (ACS 2020–2024). The 1 ZIP code that serve Fairfield hold 7,868 residents in all.
- What is the median household income in Fairfield, IL?
- $41,989 inside Fairfield city limits, per the Census Bureau. Across its ZIP codes the medians run from $50,536 to $50,536.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.