ZIP codes in Lafayette County
16 ZIPs touch Lafayette County, Missouri. The blue dashed line is the county border; orange ZIPs reach into it.
16
ZIP codes
9
cross the county line
47,022
people in these ZIPs
115
counties in MO
Most people
Lafayette County ZIP list
More counties in Missouri
- Jackson County77
- Jasper County21
- Jefferson County28
- Johnson County19
- Knox County13
- Laclede County12
- Lawrence County21
- Lewis County12
- Lincoln County17
- Linn County15
- Livingston County12
- Macon County15
Questions people actually ask
How many ZIP codes are in Lafayette County, Missouri?
16 ZIP codes reach into Lafayette County. 9 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Lafayette County has the most people?
64075 (Oak Grove) has about 12,121 residents, the most of any ZIP touching Lafayette County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Lafayette 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 Lafayette 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