42040 — Farmington, KY Home Values
Typical home value $209,043 as of August 2026 · 3rd of 12 in Mayfield, KY
Blue: typical home value (Zillow ZHVI) in ZIP code 42040, August 2021 to August 2026. This page shows observed data only; no forecast.
How 42040 compares in the Mayfield, KY area
ZIP code 42040 (Farmington, KY) has a typical home value of $209,043 as of August 2026, ranking 3rd of 12 ZIP codes tracked in the Mayfield, KY area, more expensive than about 83% of ZIP codes in the metro. Prices here have moved -2.3% over the trailing 12 months. Over the past five years, the typical value in this ZIP code has changed +25.1%, from $167,078 in August 2021 to $209,043 in August 2026.
Every figure above is observed Zillow data. Sialim's forecasting engine works at the metro level; see the Mayfield, KY forecast for a modeled outlook, or browse the full ranked list of ZIP codes in Mayfield.
Population and demographics
ZIP code 42040 has a population of 983, per the Census Bureau's American Community Survey 5-year estimate. By race and ethnicity: 85.7% White, 11% two or more races, and 3.3% Hispanic or Latino.
Nearby public schools
| School | Address | Distance |
|---|---|---|
| Farmington Elementary School | 7730 State Rt 121 S, Mayfield, KY | 5 mi |
| Sedalia Elementary School | 5252 St. Rt 97, Mayfield, KY | 6.3 mi |
| Southwest Calloway Elementary School | 3426 Wiswell Rd, Murray, KY | 6.6 mi |
Distance is straight-line from the ZIP code's center; driving distance will be longer. School attendance is set by district boundaries, not proximity. Confirm which school a specific address is zoned for with the local school district. Source: National Center for Education Statistics.
Frequently asked questions
What is the typical home value in ZIP code 42040?
$209,043 as of August 2026, the latest month Zillow has published observed data for.
Is 42040 an expensive ZIP code in the Mayfield, KY area?
42040 ranks 3rd of 12 ZIP codes in the Mayfield, KY area by typical home value, more expensive than about 83% of ZIP codes in the metro.
How much have home values in 42040 changed over the past year?
-2.3% over the trailing 12 months, from observed Zillow data.
What is the population of ZIP code 42040?
983, per the US Census Bureau's American Community Survey 5-year estimate.
What are the closest public schools to ZIP code 42040?
Farmington Elementary School (5 mi), Sedalia Elementary School (6.3 mi), Southwest Calloway Elementary School (6.6 mi), by straight-line distance from the ZIP code's center. School attendance is set by district boundaries, not proximity. Confirm assignment with the local school district.
Is this page showing a forecast for 42040?
No. Every number on this page is observed Zillow data as of August 2026, not a forecast. Sialim's forecasting engine runs at the metro level; see the Mayfield, KY forecast for a modeled outlook.
ZIP-level values shown here are observed Zillow data, not forecasts. Sialim's forecasting engine works at the metro level today; ZIP-level forecasts are planned for Sialim Pro. Data © Zillow, via Zillow Research.