Smith County, KS ZIP codes
There are 7 ZIP codes in Smith County, KS, in 7 towns, from 66932 to 67638. The largest are 66967 (Smith Center), 66951 (Kensington) and 66952 (Lebanon).
The county seat is Smith Center.
- ZIP codes
- 7
- Towns
- 7
- County seat
- Smith Center
- County FIPS
20183- State
- Kansas
- Population
- 3,552
- Median household income
- $59,135
- Land area
- 895 sq mi
Smith County ZIP codes by town
- Smith Center (county seat)
- 66967
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 Smith County ZIP codes
The ZIP codes of Smith 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.
Smith County in numbers
About 3,552 people live in Smith County, in 1,578 households, the 76th most populous of Kansas's 105 counties. The median household income is $59,135 a year, 20% below the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $94,100 (57% below the Kansas median), and median gross rent is $635 a month. The median age is 49.1; 25.6% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 14 minutes.
| Population | 3,552 |
|---|---|
| Households | 1,578 |
| Median age | 49.1 |
| Median household income | $59,135 |
| Median home value | $94,100 |
| Median gross rent | $635 |
| Bachelor's degree or higher | 25.6% |
| Mean commute | 14.3 min |
| Population density | 4 / 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 Smith County
| Town | ZIP codes | Population |
|---|---|---|
| Smith Center | 1 | 1,680 |
| Kensington | 1 | 652 |
| Lebanon | 1 | 191 |
| Cedar | 1 | 126 |
| Gaylord | 1 | 70 |
| Portis | 1 | 70 |
| Athol | 1 | 65 |
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 Smith County.
Not sure you are in Smith County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Smith County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
66932 | Athol , KS | Standard | 162 | — | $97,000 |
66951 | Kensington , KS | Standard | 920 | $66,875 | $96,900 |
66952 | Lebanon , KS | Standard | 401 | $52,188 | $68,900 |
66967 | Smith Center , KS | Standard | 1,913 | $56,726 | $100,400 |
67474 | Portis , KS | Standard | 110 | $81,250 | — |
67628 | Cedar , KS | Standard | 126 | — | — |
67638 | Gaylord , KS | Standard | 70 | $57,083 | $63,300 |
Cite this page
zipcodes.pro. “Smith County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ks/county/smith
Underlying data is public domain or openly licensed — sources, vintages and licences.