ZIP code 42728: Columbia, KY
42728 is a ZIP code in Columbia, Kentucky, mainly in Adair County. About 16,412 people live here.
- Population
- 16,412
- Median household income
- $51,623
- Typical home value
- $161,900-11.5% in 12 months
- Median rent
- $771gross, per month
- Median age
- 39.2
- Homeowners
- 76%of occupied homes
Shaded: ZIP code 42728's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 42728 details
| City | Columbia |
|---|---|
| State | Kentucky |
| County | Adair County (also partly Taylor County, Metcalfe County) |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 320.9 sq mi, plus 5.8 sq mi of water |
| Population density | 51 people per sq mi |
| Bachelor's degree or higher | 22.8% of adults 25+ |
| Average commute | 22.2 minutes |
| Center coordinates | 37.11703, -85.29007 |
Median rent in 42728 by bedrooms
| Size | Median gross rent |
|---|---|
| Studio | $375/mo |
| 1 bedroom | $513/mo |
| 2 bedrooms | $682/mo |
| 3 bedrooms | $1,025/mo |
| 4 bedrooms | $968/mo |
| 5+ bedrooms | $865/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 42728
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 42720 | Cane Valley, KY | 4.7 mi | — |
| 42741 | Glens Fork, KY | 10.0 mi | 420 |
| 42742 | Gradyville, KY | 10.5 mi | 72 |
| 42753 | Knifley, KY | 10.9 mi | 657 |
| 42715 | Breeding, KY | 13.8 mi | 417 |
| 42642 | Russell Springs, KY | 14.6 mi | 13,459 |
| 42528 | Dunnville, KY | 15.4 mi | 2,126 |
| 42743 | Greensburg, KY | 15.4 mi | 9,342 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 42728?
A typical home in ZIP code 42728 is worth about $161,900 (Zillow Home Value Index). The median household here earns $51,623 a year. See what buying here would cost per month, with Kentucky average taxes and insurance filled in.
Monthly payment for a $161,900 homeWhat can a $51,623 income afford?Rental property numbers
About ZIP code 42728
What city is ZIP code 42728?
ZIP code 42728 is in Columbia, KY, in Adair County.
What county is ZIP code 42728 in?
42728 is mainly in Adair County, Kentucky, and partly in Taylor County and Metcalfe County.
What is the population of ZIP code 42728?
About 16,412 people live in ZIP code 42728, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 42728 in?
42728 is in Central Time (UTC−6). It observes daylight saving time.