Sumner County, Kansas ZIP codes
13 ZIP codes are in Sumner County, plus 5 that cross in from neighboring counties. It's part of the Wichita, KS metro area.
- ZIP codes
- 13
- Population in these ZIPs
- 29,481
- Avg. median income
- $70,200population-weighted
- Cities & towns
- 13
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Sumner County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 67004 | Argonia | 801 | $77,500 | $134,700 |
| 67013 | Belle Plaine | 2,678 | $69,831 | $190,500 |
| 67022 | Caldwell | 1,436 | $60,000 | $80,700 |
| 67031 | Conway Springs | 2,497 | $88,000 | $202,000 |
| 67051 | Geuda Springs | 404 | $77,663 | $89,400 |
| 67103 | Mayfield | 180 | $53,750 | $98,100 |
| 67105 | Milan | 158 | $70,625 | $73,800 |
| 67106 | Milton | 560 | $100,345 | $245,900 |
| 67110 | Mulvane | 8,722 | $85,391 | $235,500 |
| 67119 | Oxford | 1,287 | $61,641 | $156,000 |
| 67120 | Peck | 575 | $96,250 | $312,700 |
| 67140 | South Haven | 971 | $47,236 | $141,700 |
| 67152 | Wellington | 9,212 | $52,275 | $112,300 |
ZIP codes partly in Sumner County
These ZIP codes are mostly in a neighboring county but cover part of Sumner County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 67018 | Bluff City | Harper County | 65 | — | $26,700 |
| 67026 | Clearwater | Sedgwick County | 5,692 | $106,036 | $264,700 |
| 67049 | Freeport | Harper County | 12 | — | — |
| 67118 | Norwich | Kingman County | 769 | $57,500 | $198,600 |
| 67146 | Udall | Cowley County | 1,867 | $79,688 | $209,900 |
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 Sumner County
Nearby counties
Frequently asked questions
How many ZIP codes are in Sumner County, Kansas?
13 ZIP codes are mainly in Sumner County, and 5 more ZIP codes from neighboring areas reach partly into it.
What cities are in Sumner County?
ZIP codes in Sumner County use the city names Argonia, Belle Plaine, Caldwell, Conway Springs, Geuda Springs, Mayfield, Milan, Milton, Mulvane, Oxford, Peck and South Haven and others.
What metro area is Sumner County in?
Sumner County is part of the Wichita, KS metropolitan statistical area.