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
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
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.