| ZIP Code | 40020 |
| City | Fairfield |
| State | Kentucky (KY) |
| County | Nelson |
| Timezone | America/New_York |
| Coordinates | 37.9350300, -85.3875300 |
| Population | 199 |
| ZIP Type | STANDARD |
| Country | United States |
Located in Kentucky, the United States is home to the sparsely populated community of Fairfield, served by ZIP code 40020. It sits within Nelson County.
Fairfield has a reported population of 199. That's below the Kentucky average of about 5,937 people per ZIP code.
Population density runs around 161 people per sq. mile, making it a rural area.
Nearby communities in Kentucky include Richmond, Bowling Green, Florence.
The ZIP code for Fairfield, Kentucky is 40020.
40020 is located in Nelson County, Kentucky.
The population of 40020 (Fairfield) is approximately 199 people.
40020 is less populated than the typical Kentucky ZIP code, which averages around 5,937 people.
ZIP code codes near 40020 include 40475, 42101, 41042.