Farmington, KY ZIP Codes
2 ZIP codes serve Farmington, Kentucky: 42066 and 42040. Together they are home to 24,609 residents in 9,826 households. That is more than the 245 people counted inside Farmington Census-designated place, because these ZIP codes reach past its boundary.
Farmington Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 245 |
| Households | 74 |
| Median household income | $33,636 |
| Median home value | $86,800 |
| Median age | 24.9 |
| Median rent | $734 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 24,609 |
| Households (sum of ZIP codes) | 9,826 |
| Median household income, range across ZIP codes | $48,664 (42066) to $48,664 (42066) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $48,664 |
| Homeowners | 72.8% |
| Households with kids under 18 | 31.4% |
| Moved in the past year | 11.2% |
| Carrier routes in EDDM2GO's route library | 18 routes, 10,436 homes (2 of 2 ZIP codes) |
Every ZIP code in Farmington
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 42066 | Mayfield | 23,917 | 9,517 | $48,664 | $145,600 | 72.2% | 31.9% | 11.1% | 17 | 10,556 | 0% of its land |
| 42040 | Farmington | 692 | 309 | $51,141 | $123,500 | 90.6% | 17.2% | 14.5% | 1 | 503 | 3% of its land; mailing city |
A ZIP code is listed for Farmington when at least 10% of its land lies inside the Farmington Census-designated place, 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
- Graves County — 13 ZIP codes
Nearby cities sharing these ZIP codes
- Mayfield — 1 ZIP code
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, KY?
- 42066 and 42040. A ZIP code is listed for Farmington when at least 10% of its land lies inside the Farmington Census-designated place, 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, KY?
- The Census Bureau counts 245 residents inside Farmington Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Farmington hold 24,609 residents in all.
- What is the median household income in Farmington, KY?
- $33,636 inside Farmington Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $48,664 to $48,664.
- How many carrier routes and mailboxes are in Farmington, KY?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 18 carrier routes reaching 10,436 residential and 622 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.