ZIP codes in Morgan County
16 ZIPs touch Morgan County, Missouri. The blue dashed line is the county border; orange ZIPs reach into it.
16
ZIP codes
14
cross the county line
49,071
people in these ZIPs
115
counties in MO
Most people
Morgan County ZIP list
More counties in Missouri
- Mercer County7
- Miller County17
- Mississippi County7
- Moniteau County15
- Monroe County16
- Montgomery County12
- New Madrid County17
- Newton County17
- Nodaway County18
- Oregon County12
- Osage County16
- Ozark County21
Questions people actually ask
How many ZIP codes are in Morgan County, Missouri?
16 ZIP codes reach into Morgan County, including 1 PO Box or single-address ZIPs placed by the town they serve. 14 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Morgan County has the most people?
65026 (Eldon) has about 11,606 residents, the most of any ZIP touching Morgan County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Morgan 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 Morgan 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.
Keep exploring
Updated 2026-11-10 · Where the data comes from