US ZIP Code
40020

Fairfield, KY

Nelson County  ·  Kentucky

● Active
👥 197 Population ↑ 77% since 2019
💰 $87,951 Median HH Income
▲ 15% above avg ↑ 147% since 2019
🎂 59.9 Median Age ↓ 10% since 2019
🎓 56.6% College Grads
▲ 46% above avg
📊 3.6% Unemployment
▼ 26% below avg ↓ 24% since 2019
ZIP Code Details
ZIP Code40020
CityFairfield
StateKentucky (KY)
CountyNelson County
Area Code502/859
Elevation715 ft
Latitude37.934784
Longitude-85.387416
TimezoneNew York (DST)
FIPS21179
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 39.6% (78) Female 60.4% (119) ♀

Race & Ethnicity

White: 98.5%Other: 1.5%Race
White98.5%
Other1.5%

Age Breakdown

Under 5
2%
5–17
1%
18–24
3%
25–44
9%
45–64
51%
65+
21%

Key Indicators

Median Age59.9 yrs ↓ 10% since 2019
Avg Household Size1.54
Below Poverty1.0% ▼ 90% below avg
College Grads56.6% ▲ 46% above avg
Unemployment3.6% ▼ 26% below avg
HS Graduate57 (31.3%)
Some College22 (12.1%)
Bachelors93 (51.1%)
Graduate Degree10 (5.5%)

Education

HS Grad: 31.3%Some College: 12.1%Bachelors: 51.1%Graduate: 5.5%Edu
HS Grad31.3%
Some College12.1%
Bachelors51.1%
Graduate5.5%
Housing & Income

Housing Tenure

Owner: 89.8%Renter: 10.2%Tenure
Owner89.8%
Renter10.2%

Home Value Distribution

$50k–100k
63%
$100k–150k
3%
$150k–200k
24%
$200k–300k
4%
$300k–500k
5%

Financials

Median HH Income$87,951 ▲ 15% above avg ↑ 147% since 2019
Total Units128
Avg HH Size1.54

Income Distribution

Under $25k
9%
$25k–50k
14%
$50k–75k
14%
$75k–100k
58%
$100k–150k
2%
Over $200k
2%
Employment & Commute

How People Get to Work

Drove Alone
98%
Work From Home
2%

Commute Time

Under 15 min
8%
15–30 min
25%
Over 45 min
67%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
10%
1960s–1970s
35%
2000+
54%

Summary

Total Units128
Owner Occupied89.8%
Renter Occupied10.2%
Avg HH Size1.54
Frequently Asked Questions
ZIP code 40020 is in Fairfield, KY, in Nelson County.
ZIP code 40020 is located in Kentucky (KY).
ZIP code 40020 is in Nelson County, KY.
ZIP 40020 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 40020 is 197 people (ACS 2023).
The median household income in ZIP code 40020 is $87,951 (ACS 2023).
Home value data not available.
About ZIP Code 40020

ZIP code 40020 is located in Fairfield, Kentucky, within Nelson County. With a population of 197, this is a sparsely populated ZIP code with an older community — the median age is 59.9 years. Economically, 40020 is a middle-income ZIP code: the median household income of $87,951 is above the national average.

The population of 40020 is primarily White (98.48%). Residents are well-educated — 56.6% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 1.0%. Household income has grown by 147% since 2019.

The unemployment rate in 40020 stands at 3.6%, which is below the national average. As in most parts of the country, driving alone is the dominant commute mode at 87%.

Overall, ZIP code 40020 in Fairfield, KY is characterized as middle-income, well-educated, an older community, and predominantly owner-occupied.