PlainZIP

Fairfield, KY

Single-footprint Census roll-up for Fairfield, KY: 1 USPS ZIP, population 109. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet FAIRFIELD-KY · Fairfield, KY 1 ZIPs · 109 pop · #6250/25278 · Nelson County

INC-HIGH · RANK-UPPER · BELOW-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-UNK

  • INC-HIGH $90,712
  • RANK-UPPER #6250/25278
  • BELOW-PEER under Coxs Creek
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 98% owners
  • POP-VILLAGE 109
  • SPREAD-UNK Single-ZIP book
  • HOME-UNK Homes pending

Nearest income peer: Coxs Creek, KY (+ $9,514 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Fairfield

Lowest/highest poles plus county-sharing cities nearest Fairfield on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Fairfield, KY sits among US cities with an upper-quartile household income, on a village-scale population base, across a single-ZIP footprint.

Top 25%
household income vs 25,278 US cities
109
city population (Census)
1
USPS ZIP codes covered
$90,712
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $90,712 and home value - should be read as near-neighborhood numbers ; bachelor's attainment averages 13.0%.

Owner-occupancy here runs high (97.5%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Kentucky, Pinsonfork is the closest lower-income city and Waddy the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Fairfield.

Population concentration

Fairfield reads through its lone ZIP, 40020

109 ACS residents, one ZIP: 40020 is not the leading code inside Fairfield, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.

Census ZBP business roll-up

No ZBP establishments filed for Fairfield's ZIPs

Census County Business Patterns has no establishment rows joined to the ACS ZIPs mapped to Fairfield. Read demography on this page; business counts are absent for this footprint.

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ZIP Codes in Fairfield, KY

These ZIP codes sit in Nelson County, which covers 9 ZIP codes in all; 1 of them fall in Fairfield. See the Nelson County roll-up →

Fairfield sits in the upper half of Nelson County on income: Bardstown, New Haven and Bloomfield report less, while Coxs Creek and Chaplin report more. New Hope marks the far end of that range at $45,750, 50% below Fairfield.

ZIP Code Population Median income Establishments Density
40020 109 $90,712 n/a 89
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Fairfield roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Fairfield, .