Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/KY/COLUMBIA

Columbia ZIP code, Kentucky

The ZIP code for Columbia, KY is 42728, and its area code is 270.

USPS city name
1 ZIP code
Population
4,808
Area code
270

Columbia in numbers

About 4,808 people live in Columbia, in 1,567 households. The median household income is $47,299 a year, 26% below the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $143,600 (30% below the Kentucky median), and median gross rent is $757 a month. The median age is 28.2; 25.3% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 15 minutes.

Population4,808Columbia4,808
Households1,567Columbia1,567
Median age28.2Columbia28.2Kentucky39.1US 38.9
Median household income$47,299Columbia$47,299Kentucky$63,726US $80,734
Median home value$143,600Columbia$143,600Kentucky$205,600US $332,700
Median gross rent$757Columbia$757Kentucky$967US $1,413
Bachelor's degree or higher25.3%Columbia25.3%Kentucky27.6%US 35.7%
Mean commute15.3 minColumbia15.3 minKentucky24.0 minUS 26.4 min
Population density987 / sq miColumbia987 / sq mi

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

ZIP codes addressed as Columbia

ZIP codes with the USPS city name Columbia
ZIP City Type Population Median income Median home
42728 Columbia , KY Standard 16,412 $51,623 $151,300

Map of Columbia ZIP codes

42728

The ZIP codes of Columbia, KY, 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.

Towns near Columbia

The nearest larger towns are Campbellsville (11,622 people, 17 mi), Monticello (5,753 people, 31 mi) and Lebanon (6,430 people, 32 mi).

Towns near Columbia
TownPopulationDistance
Russell Springs 2,773 13.0 mi
Campbellsville 11,622 16.8 mi

More nearby: every ZIP code in Adair County · Kentucky ZIP codes

Cite this page

zipcodes.pro. “Columbia, KY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ky/columbia

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