ZIP codes in Boyd County
6 ZIPs touch Boyd County, Kentucky. The blue dashed line is the county border; orange ZIPs reach into it.
6
ZIP codes
4
cross the county line
52,493
people in these ZIPs
120
counties in KY
Most people
Boyd County ZIP list
More counties in Kentucky
- Ballard County6
- Barren County14
- Bath County10
- Bell County12
- Boone County10
- Bourbon County11
- Boyle County7
- Bracken County8
- Breathitt County12
- Breckinridge County19
- Bullitt County12
- Butler County14
Questions people actually ask
How many ZIP codes are in Boyd County, Kentucky?
6 ZIP codes reach into Boyd County, including 2 PO Box or single-address ZIPs placed by the town they serve. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Boyd County has the most people?
41102 (Ashland) has about 20,621 residents, the most of any ZIP touching Boyd County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Boyd 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 Boyd 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