ZIP code 40020: Fairfield, KY
40020 is a ZIP code in Fairfield, Kentucky, mainly in Nelson County, part of the Louisville/Jefferson County, KY-IN metro area. About 199 people live here.
- Population
- 199
- Median household income
- $90,712
- Typical home value
- —
- Median rent
- —gross, per month
- Median age
- 59.9
- Homeowners
- 97.5%of occupied homes
Shaded: ZIP code 40020's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 40020 details
| City | Fairfield |
|---|---|
| State | Kentucky |
| County | Nelson County |
| Metro area | Louisville/Jefferson County, KY-IN |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 0.5 sq mi |
| Population density | 423 people per sq mi |
| Bachelor's degree or higher | 13% of adults 25+ |
| Average commute | 34.7 minutes |
| Center coordinates | 37.93478, -85.38742 |
ZIP codes near 40020
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 40013 | Coxs Creek, KY | 5.2 mi | 6,670 |
| 40008 | Bloomfield, KY | 6.4 mi | 4,020 |
| 40071 | Taylorsville, KY | 7.5 mi | 17,239 |
| 40048 | Nazareth, KY | 7.5 mi | — |
| 40004 | Bardstown, KY | 10.2 mi | 30,601 |
| 40047 | Mount Washington, KY | 11.5 mi | 23,662 |
| 40012 | Chaplin, KY | 12.1 mi | 712 |
| 40046 | Mount Eden, KY | 13.4 mi | 1,122 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 40020
What city is ZIP code 40020?
ZIP code 40020 is in Fairfield, KY, in Nelson County.
What county is ZIP code 40020 in?
40020 is mainly in Nelson County, Kentucky.
What is the population of ZIP code 40020?
About 199 people live in ZIP code 40020, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 40020 in?
40020 is in Eastern Time (UTC−5). It observes daylight saving time.