ZIP codes in Miami County
12 ZIPs touch Miami County, Kansas. The blue dashed line is the county border; orange ZIPs reach into it.
12
ZIP codes
9
cross the county line
55,773
people in these ZIPs
105
counties in KS
Most people
Miami County ZIP list
More counties in Kansas
- Logan County7
- Lyon County12
- Marion County19
- Marshall County13
- McPherson County13
- Meade County5
- Mitchell County7
- Montgomery County13
- Morris County9
- Morton County5
- Nemaha County15
- Neosho County11
Questions people actually ask
How many ZIP codes are in Miami County, Kansas?
12 ZIP codes reach into Miami County, including 1 PO Box or single-address ZIPs placed by the town they serve. 9 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Miami County has the most people?
66083 (Spring Hill) has about 13,011 residents, the most of any ZIP touching Miami County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Miami 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 Miami 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