Fairfield, KY ZIP Codes

2 ZIP codes serve Fairfield, Kentucky: 40013 and 40020. Together they are home to 6,869 residents in 2,673 households. That is more than the 194 people counted inside Fairfield city limits, because these ZIP codes reach past its boundary.

Fairfield city limits (Census)

MeasureCensus figure
Residents194
Households117
Median household income$90,781
Median home valuenot published
Median age59.8
Median rentnot published

All 2 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)6,869
Households (sum of ZIP codes)2,673
Median household income, range across ZIP codes$100,226 (40013) to $100,226 (40013)
Household-weighted average of ZIP medians (an approximation, not a true median)$100,226
Homeowners93.9%
Households with kids under 1836.9%
Moved in the past year13.9%
Carrier routes in EDDM2GO's route library5 routes, 2,653 homes (1 of 2 ZIP codes)

Every ZIP code in Fairfield

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
40013Coxs Creek6,6702,554$100,226$265,30093.7%38.5%12.8%52,6880% of its land
40020Fairfield199119$90,712—97.5%2.5%52.3%——50% of its land; mailing city

A ZIP code is listed for Fairfield when at least 10% of its land lies inside Fairfield city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Fairfield. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Fairfield.

Counties

Price a mailing to Fairfield ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Fairfield, KY?
40013 and 40020. A ZIP code is listed for Fairfield when at least 10% of its land lies inside Fairfield city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Fairfield.
What is the population of Fairfield, KY?
The Census Bureau counts 194 residents inside Fairfield city limits (ACS 2020–2024). The 2 ZIP codes that serve Fairfield hold 6,869 residents in all.
What is the median household income in Fairfield, KY?
$90,781 inside Fairfield city limits, per the Census Bureau. Across its ZIP codes the medians run from $100,226 to $100,226.
How many carrier routes and mailboxes are in Fairfield, KY?
For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 5 carrier routes reaching 2,653 residential and 35 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.