Adair County, KY ZIP Codes

7 ZIP codes cover all or part of Adair County, Kentucky: 42728, 42642, 42528, 42753, 42741, 42715 and 42742. The Census Bureau counts 19,089 residents in the county, with a median household income of $53,553 and a median home value of $150,800. Median household income ranges from $50,227 in 42528 to $52,633 in 42642. Its largest communities include Columbia.

Adair County (Census county figures)

MeasureCensus figure
Residents19,089
Households7,136
Median household income$53,553
Median home value$150,800
Median age39.7
Median rent$771

All 7 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)33,563
Households (sum of ZIP codes)13,030
Median household income, range across ZIP codes$50,227 (42528) to $52,633 (42642)
Household-weighted average of ZIP medians (an approximation, not a true median)$51,987
Homeowners74.1%
Households with kids under 1830.9%
Moved in the past year12.1%
Carrier routes in EDDM2GO's route library31 routes, 13,948 homes (5 of 7 ZIP codes)

Top facts

Every ZIP code in Adair County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
42728Columbia16,4126,223$51,623$151,30076.0%27.1%15.2%177,59396% of its land
42642Russell Springs13,4595,535$52,633$152,60070.5%33.9%9.5%105,94910% of its land
42528Dunnville2,126748$50,227$158,80075.9%41.2%4.5%158816% of its land
42753Knifley657276$54,565$115,00091.7%21.7%2.3%2325100% of its land
42741Glens Fork420130$78,269$266,300100.0%26.2%20.2%——98% of its land
42715Breeding417102—$226,80055.9%46.1%23.0%122962% of its land
42742Adair County7216——100.0%100.0%0.0%——100% of its land

A ZIP code is listed for Adair County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Price a mailing to Adair County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Adair County, KY?
42728, 42642, 42528, 42753, 42741, 42715 and 42742. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Adair County?
19,089 residents in 7,136 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Adair County?
$53,553 for the county as a whole. Its ZIP codes range from $50,227 (42528) to $52,633 (42642).
Which Adair County ZIP code has the highest median household income?
42642, at $52,633, among ZIP codes with at least 1,000 residents.
How many carrier routes and mailboxes are in Adair County?
For the 5 of 7 ZIP codes in EDDM2GO's stored route library: 31 carrier routes reaching 13,948 residential and 734 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.