Farmington, IL ZIP Codes
One ZIP code serves Farmington, Illinois: 61531. Together they are home to 3,007 residents in 1,221 households. That is more than the 2,050 people counted inside Farmington city limits, because these ZIP codes reach past its boundary.
Farmington city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 2,050 |
| Households | 815 |
| Median household income | $65,223 |
| Median home value | $101,300 |
| Median age | 31.9 |
| Median rent | $918 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 3,007 |
| Households (sum of ZIP codes) | 1,221 |
| Median household income, range across ZIP codes | $70,107 (61531) to $70,107 (61531) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $70,107 |
| Homeowners | 80.0% |
| Households with kids under 18 | 28.7% |
| Moved in the past year | 9.1% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Farmington
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 61531 | Farmington | 3,007 | 1,221 | $70,107 | $127,700 | 80.0% | 28.7% | 9.1% | — | — | 3% of its land; mailing city |
A ZIP code is listed for Farmington when at least 10% of its land lies inside Farmington city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Farmington. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Farmington.
Counties
- Fulton County — 22 ZIP codes
Price a mailing to Farmington ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Farmington, IL?
- 61531. A ZIP code is listed for Farmington when at least 10% of its land lies inside Farmington city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Farmington.
- What is the population of Farmington, IL?
- The Census Bureau counts 2,050 residents inside Farmington city limits (ACS 2020–2024). The 1 ZIP code that serve Farmington hold 3,007 residents in all.
- What is the median household income in Farmington, IL?
- $65,223 inside Farmington city limits, per the Census Bureau. Across its ZIP codes the medians run from $70,107 to $70,107.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.