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 Moderate-density area
- $90,712
- Median income Above-median income area
- 13.0%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
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 average Kentucky ZIP), while per-capita income is $31,321. Both reported hardship measures are comparatively low in absolute terms: poverty is 2.0% and unemployment is 2.9%. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
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 -. The page also surfaces 5 ZIP codes within roughly 10 miles and 6 more in Nelson County, so 40020 can be compared with both its immediate and county-level context.
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
Who lives in ZIP 40020?
59.9
Median Age
32.2%
Male
67.8%
Female
0.0%
Foreign-Born
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 ZIP avg
$31,321
Per Capita Income
2.0%
Poverty Rate
2.9%
Unemployment Rate
How ZIP 40020 ranks among Kentucky ZIPs
Fairfield, KY household income vs. every Kentucky ZIP code
Median household income among 646 reporting Kentucky ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$90,712 Top 9% higher than 91% of 646 Kentucky ZIPs
Each bar is a $20K-wide band; taller bars hold more Kentucky 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
119housing units
119
Total Housing Units
119
Occupied Units
0
Vacant Units
1.67
Avg Household Size
Occupancy Type
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.
- 40004
Bardstown (40004)
28,245 residents
- 40071
Taylorsville (40071)
14,292 residents
- 40013 5,369
Coxs Creek (40013)
5,369 residents
- 40008 3,476
Bloomfield (40008)
3,476 residents
- 40048 113
Nazareth (40048)
113 residents
- 40020 109
Fairfield (40020)
109 residents
What this shows Among its immediate neighbors, ZIP 40020 ranks #6 by population - useful context the national average alone can't give.
ZIP 40020 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 40013
Coxs Creek (40013)
$100,226 median income
- 40071
Taylorsville (40071)
$98,528 median income
- 40020
Fairfield (40020)
$90,712 median income
- 40004
Bardstown (40004)
$66,578 median income
- 40008
Bloomfield (40008)
$66,486 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 40020, both outside KY so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Nelson County
Related Areas
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.
Related
Take this with you
What to do with ZIP 40020's numbers, next.
- See how ZIP 40020 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Fairfield, KY ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.