ZIP codes in Benton County
13 ZIPs touch Benton County, Missouri. The blue dashed line is the county border; orange ZIPs reach into it.
13
ZIP codes
12
cross the county line
47,516
people in these ZIPs
115
counties in MO
Most people
Benton County ZIP list
More counties in Missouri
- Andrew County17
- Atchison County8
- Audrain County14
- Barry County18
- Barton County8
- Bates County13
- Bollinger County14
- Boone County20
- Buchanan County17
- Butler County13
- Caldwell County10
- Callaway County27
Questions people actually ask
How many ZIP codes are in Benton County, Missouri?
13 ZIP codes reach into Benton County. 12 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Benton County has the most people?
64735 (Clinton) has about 14,013 residents, the most of any ZIP touching Benton County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Benton 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 Benton 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