ZIP codes in Van Buren County
13 ZIPs touch Van Buren County, Iowa. The blue dashed line is the county border; orange ZIPs reach into it.
13
ZIP codes
11
cross the county line
9,399
people in these ZIPs
99
counties in IA
Most people
Van Buren County ZIP list
More counties in Iowa
- Shelby County19
- Sioux County18
- Story County24
- Tama County19
- Taylor County11
- Union County11
- Wapello County12
- Warren County21
- Washington County13
- Wayne County13
- Webster County22
- Winnebago County11
Questions people actually ask
How many ZIP codes are in Van Buren County, Iowa?
13 ZIP codes reach into Van Buren County. 11 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Van Buren County has the most people?
52565 (Keosauqua) has about 1,518 residents, the most of any ZIP touching Van Buren County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Van Buren 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 Van Buren 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