PlainZIP

Fairfield, KY · standard

ZIP Code 40020

Nelson County, Kentucky - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

109
89/sq mi
$90,712
Median income
13.0%
Bachelor's or higher

The verdict

Fairfield pairs an above-median household income, in a rural, homeowner-dominated area.

Top 26%
household income, US ZIPs
89
people per sq mi
98%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 40020 against every reporting US ZIP.

ZIP code 40020 is a sparsely populated ZIP (a standard USPS delivery area) in Fairfield, Nelson County, Kentucky, home to just 109 residents across 1.2 square miles, a density of 89 people per square mile, in the New York time zone.

ZIP 40020 lands in the middle-income range, with a median household income of $90,712 (52% above the Kentucky average), while per-capita income is $31,321. The poverty rate stands at 2.0% and the unemployment rate at 2.9%. Median home value sits at -, median rent at - a month, and owner-occupancy at 97.5%.

Formal educational attainment runs low here: just 13.0% of adults hold a bachelor's degree or higher, the median age is 59.9, and the average commute is -. To put 40020 in local context, 5 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Nelson County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 40020, Fairfield, KY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

109

Population

1.2

Area (sq mi)

89

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 40020?

59.9

Median Age

32.2%

Male

67.8%

Female

0.0%

Foreign-Born

White 97.5%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.5%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$90,712

Median Household Income

+52% vs state

$31,321

Per Capita Income

2.0%

Poverty Rate

2.9%

Unemployment Rate

How ZIP 40020 ranks nationally

Fairfield, KY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$90,712 Top 26% higher than 74% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 44.3%
Bachelor's Degree or Higher 13.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

119

Total Housing Units

119

Occupied Units

0

Vacant Units

1.67

Avg Household Size

Occupancy Type

Owner 97.5%
Renter 2.5%

1972

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Nearby ZIP Codes

Want a side-by-side? Compare 40020 vs 40013 →

ZIP 40020 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 40020 ranks #6 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 40020 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 40020 ranks #3 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
40013 Coxs Creek, KY 5,369 4.4 mi
40071 Taylorsville, KY 14,292 7.6 mi
40008 Bloomfield, KY 3,476 6.2 mi
40048 Nazareth, KY 113 7.5 mi
40004 Bardstown, KY 28,245 10.0 mi

More ZIP Codes in Nelson County

40004 standard
Bardstown, KY
Pop: 28,245
40013 standard
Coxs Creek, KY
Pop: 5,369
40051 standard
New Haven, KY
Pop: 4,799
40008 standard
Bloomfield, KY
Pop: 3,476
40107 standard
Boston, KY
Pop: 2,067
40012 standard
Chaplin, KY
Pop: 589

Related Areas

Nelson County Fairfield, KY Kentucky

Frequently Asked Questions

What county is ZIP code 40020 in? ▼
ZIP code 40020 (Fairfield) is located in Nelson County, Kentucky. Nelson County contains multiple ZIP codes, see the full list at /counties/nelson-ky.
What is the population of ZIP code 40020? ▼
ZIP code 40020 in Fairfield, KY has a population of 109 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 40020? ▼
The median household income in ZIP 40020 is $90,712, which is 19% above the national average of $76,288.
What is the demographic makeup of ZIP 40020? ▼
The largest racial group in ZIP 40020 is White at 97.5%.
What is the education level in ZIP code 40020? ▼
In ZIP code 40020, 44.3% of residents aged 25+ have a high school diploma or higher, and 13.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 40020? ▼
In ZIP code 40020, approximately 97.5% of occupied housing units are owner-occupied and 2.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 40020? ▼
The poverty rate in ZIP code 40020 is 2.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.