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zipcodes.pro — STATE/KY/COUNTY/ADAIR

Adair County, KY ZIP codes

Adair County, KY has 6 ZIP codes, in 6 towns: 42728, 42753, 42715, 42741, 42720 and 42742.

The county seat is Columbia.

ZIP codes
6
Towns
6
County seat
Columbia
County FIPS
21001
Population
19,089
Median household income
$53,553
Land area
405 sq mi

Adair County ZIP codes by town

Columbia (county seat)
42728

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Adair County ZIP codes

427154272042728427414274242753

The ZIP codes of Adair County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Adair County in numbers

About 19,089 people live in Adair County, in 7,136 households, the 64th most populous of Kentucky's 120 counties. The median household income is $53,553 a year, 16% below the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $150,800 (27% below the Kentucky median), and median gross rent is $771 a month. The median age is 39.7; 21.8% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 24 minutes.

Population19,089Adair19,089
Households7,136Adair7,136
Median age39.7Adair39.7Kentucky39.1US 38.9
Median household income$53,553Adair$53,553Kentucky$63,726US $80,734
Median home value$150,800Adair$150,800Kentucky$205,600US $332,700
Median gross rent$771Adair$771Kentucky$967US $1,413
Bachelor's degree or higher21.8%Adair21.8%Kentucky27.6%US 35.7%
Mean commute23.8 minAdair23.8 minKentucky24.0 minUS 26.4 min
Population density47 / sq miAdair47 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Adair County

Largest towns in Adair County
TownZIP codesPopulation
Columbia 1 4,808
Knifley 1 657
Glens Fork 1 420
Breeding 1 417
Gradyville 1 72

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Adair County.

Not sure you are in Adair County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Adair County, with figures

ZIP codes in Adair County
ZIP City Type Population Median income Median home
42715 Breeding , KY Standard 417 — $226,800
42720 Cane Valley , KY No street area — — —
42728 Columbia , KY Standard 16,412 $51,623 $151,300
42741 Glens Fork , KY Standard 420 $78,269 $266,300
42742 Gradyville , KY Standard 72 — —
42753 Knifley , KY Standard 657 $54,565 $115,000

Cite this page

zipcodes.pro. “Adair County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ky/county/adair

Underlying data is public domain or openly licensed — sources, vintages and licences.