ZIP codes in Barren County
14 ZIPs touch Barren County, Kentucky. The blue dashed line is the county border; orange ZIPs reach into it.
14
ZIP codes
7
cross the county line
58,860
people in these ZIPs
120
counties in KY
Most people
Barren County ZIP list
More counties in Kentucky
- Adair County12
- Allen County6
- Anderson County5
- Ballard County6
- Bath County10
- Bell County12
- Boone County10
- Bourbon County11
- Boyd County6
- Boyle County7
Questions people actually ask
How many ZIP codes are in Barren County, Kentucky?
14 ZIP codes reach into Barren County, including 2 PO Box or single-address ZIPs placed by the town they serve. 7 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Barren County has the most people?
42141 (Glasgow) has about 31,506 residents, the most of any ZIP touching Barren County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Barren County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Barren County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from