Nemaha County, KS ZIP codes
Nemaha County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Nemaha County ZIP codes
The ZIP codes of Nemaha County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Nemaha County in numbers
About 10,160 people live in Nemaha County, in 4,031 households, the 38th most populous of Kansas's 105 counties. The median household income is $77,348 a year, 4% above the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $217,200 (about the same as the Kansas median), and median gross rent is $774 a month. The median age is 40.1; 29.9% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 15 minutes.
| Population | 10,160 |
|---|---|
| Households | 4,031 |
| Median age | 40.1 |
| Median household income | $77,348 |
| Median home value | $217,200 |
| Median gross rent | $774 |
| Bachelor's degree or higher | 29.9% |
| Mean commute | 14.8 min |
| Population density | 14 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Nemaha County
| Town | ZIP codes | Population |
|---|---|---|
| Sabetha | 1 | 2,471 |
| Seneca | 1 | 2,090 |
| Centralia | 1 | 501 |
| Wetmore | 1 | 342 |
| Corning | 1 | 187 |
| Oneida | 1 | 137 |
| Bern | 1 | 136 |
| Goff | 1 | 133 |
| Baileyville | 1 | 126 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Nemaha County.
Not sure you are in Nemaha County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Nemaha County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
66404 | Baileyville , KS | Standard | 481 | $89,620 | $179,700 |
66408 | Bern , KS | Standard | 427 | $91,250 | $153,000 |
66415 | Centralia , KS | Standard | 762 | $70,066 | $86,400 |
66417 | Corning , KS | Standard | 507 | $86,875 | — |
66428 | Goff , KS | Standard | 246 | $100,500 | $107,100 |
66522 | Oneida , KS | Standard | 130 | $57,500 | $50,000 |
66534 | Sabetha , KS | Standard | 3,381 | $73,050 | $198,900 |
66538 | Seneca , KS | Standard | 3,602 | $78,981 | $299,300 |
66550 | Wetmore , KS | Standard | 552 | $59,531 | $130,000 |
Cite this page
zipcodes.pro. “Nemaha County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ks/county/nemaha
Underlying data is public domain or openly licensed — sources, vintages and licences.