Pottawatomie County, Kansas ZIP codes
10 ZIP codes are in Pottawatomie County, plus 3 that cross in from neighboring counties. It's part of the Manhattan, KS metro area.
- ZIP codes
- 10
- Population in these ZIPs
- 21,983
- Avg. median income
- $89,300population-weighted
- Cities & towns
- 10
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Pottawatomie County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 66407 | Belvue | 298 | $67,750 | $282,700 |
| 66422 | Emmett | 1,228 | $73,257 | — |
| 66426 PO Box | Fostoria | — | — | — |
| 66432 | Havensville | 540 | $108,818 | $263,200 |
| 66520 | Olsburg | 635 | $94,911 | $312,400 |
| 66521 | Onaga | 1,417 | $61,250 | $216,000 |
| 66535 | Saint George | 3,556 | $78,642 | $366,700 |
| 66536 | Saint Marys | 4,204 | $85,568 | $289,600 |
| 66547 | Wamego | 8,579 | $103,454 | $309,400 |
| 66549 | Westmoreland | 1,526 | $79,318 | $302,100 |
ZIP codes partly in Pottawatomie County
These ZIP codes are mostly in a neighboring county but cover part of Pottawatomie County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 66427 | Frankfort | Marshall County | 1,334 | $79,481 | $179,800 |
| 66502 | Manhattan | Riley County | 43,693 | $54,833 | $263,900 |
| 66540 | Soldier | Jackson County | 582 | $52,368 | $276,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Pottawatomie County
Nearby counties
Frequently asked questions
How many ZIP codes are in Pottawatomie County, Kansas?
10 ZIP codes are mainly in Pottawatomie County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Pottawatomie County?
ZIP codes in Pottawatomie County use the city names Belvue, Emmett, Fostoria, Havensville, Olsburg, Onaga, Saint George, Saint Marys, Wamego and Westmoreland.
What metro area is Pottawatomie County in?
Pottawatomie County is part of the Manhattan, KS metropolitan statistical area.