Atchison County, KS ZIP codes
Atchison 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.
ZIP codes partly in Atchison County
These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Atchison County.
- 66060 Nortonville · mostly in Jefferson County
- 66436 Holton · mostly in Jackson County
- 66439 Horton · mostly in Brown County
Map of Atchison County ZIP codes
The ZIP codes of Atchison 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.
Atchison County in numbers
About 16,208 people live in Atchison County, in 5,735 households, the 31st most populous of Kansas's 105 counties. The median household income is $61,112 a year, 18% below the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $145,700 (33% below the Kansas median), and median gross rent is $765 a month. The median age is 36.1; 21.8% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 21 minutes.
| Population | 16,208 |
|---|---|
| Households | 5,735 |
| Median age | 36.1 |
| Median household income | $61,112 |
| Median home value | $145,700 |
| Median gross rent | $765 |
| Bachelor's degree or higher | 21.8% |
| Mean commute | 21.2 min |
| Population density | 38 / 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 Atchison County
| Town | ZIP codes | Population |
|---|---|---|
| Atchison | 1 | 10,785 |
| Effingham | 1 | 786 |
| Cummings | 1 | 559 |
| Lancaster | 1 | 325 |
| Muscotah | 1 | 141 |
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 Atchison County.
Not sure you are in Atchison County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Atchison County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
66002 | Atchison , KS | Standard | 13,276 | $61,364 | $149,100 |
66016 | Cummings , KS | Standard | 559 | $76,141 | $292,500 |
66023 | Effingham , KS | Standard | 1,189 | $55,759 | $110,400 |
66041 | Lancaster , KS | Standard | 614 | $56,912 | $128,800 |
66058 | Muscotah , KS | Standard | 378 | $96,458 | $127,300 |
Cite this page
zipcodes.pro. “Atchison County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ks/county/atchison
Underlying data is public domain or openly licensed — sources, vintages and licences.