Riley County, Kansas ZIP codes
9 ZIP codes are in Riley County, plus 6 that cross in from neighboring counties. It's part of the Manhattan, KS metro area.
- ZIP codes
- 9
- Population in these ZIPs
- 85,670
- Avg. median income
- $64,600population-weighted
- Cities & towns
- 6
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Riley County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 66442 | Fort Riley | 16,890 | $51,610 | — |
| 66449 | Leonardville | 937 | $90,089 | $231,100 |
| 66502 | Manhattan | 43,693 | $54,833 | $263,900 |
| 66503 | Manhattan | 17,273 | $97,846 | $357,300 |
| 66505 PO Box | Manhattan | — | — | — |
| 66506 | Manhattan | 3,155 | — | — |
| 66517 | Ogden | 1,696 | $68,421 | $174,200 |
| 66531 | Riley | 1,256 | $79,063 | $223,600 |
| 66554 | Randolph | 770 | $97,411 | $323,100 |
ZIP codes partly in Riley County
These ZIP codes are mostly in a neighboring county but cover part of Riley County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 66411 | Blue Rapids | Marshall County | 1,127 | $57,361 | $112,400 |
| 66441 | Junction City | Geary County | 25,828 | $59,522 | $199,800 |
| 66548 | Waterville | Marshall County | 975 | $70,568 | $155,200 |
| 66933 | Barnes | Washington County | 345 | $55,625 | $85,600 |
| 67432 | Clay Center | Clay County | 5,607 | $70,275 | $164,300 |
| 67447 | Green | Clay County | 207 | $65,288 | $156,300 |
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 Riley County
Nearby counties
Frequently asked questions
How many ZIP codes are in Riley County, Kansas?
9 ZIP codes are mainly in Riley County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in Riley County?
ZIP codes in Riley County use the city names Fort Riley, Leonardville, Manhattan, Ogden, Randolph and Riley.
What metro area is Riley County in?
Riley County is part of the Manhattan, KS metropolitan statistical area.