Geary County, KS ZIP codes
Geary County, KS has 2 ZIP codes, in 2 towns: 66441 and 66514. 3 more cross into it from neighbouring counties: 66502, 66834 and 66849.
The county seat is Junction City.
- ZIP codes
- 2
- Partly in it
- 3 more
- Towns
- 2
- County seat
- Junction City
- County FIPS
20061- State
- Kansas
- Population
- 35,815
- Median household income
- $59,317
- Land area
- 385 sq mi
- Area code
- 785
- Metro area
- Manhattan
Geary County ZIP codes by town
- Junction City (county seat)
- 66441
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 Geary County
These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Geary County.
- 66502 Manhattan · mostly in Riley County
- 66834 Alta Vista · mostly in Wabaunsee County
- 66849 Dwight · mostly in Morris County
Map of Geary County ZIP codes
The ZIP codes of Geary 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.
Geary County in numbers
About 35,815 people live in Geary County, in 14,158 households, the 13th most populous of Kansas's 105 counties. The median household income is $59,317 a year, 20% below the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $172,700 (20% below the Kansas median), and median gross rent is $1,104 a month. The median age is 27.1; 26.2% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 18 minutes.
| Population | 35,815 |
|---|---|
| Households | 14,158 |
| Median age | 27.1 |
| Median household income | $59,317 |
| Median home value | $172,700 |
| Median gross rent | $1,104 |
| Bachelor's degree or higher | 26.2% |
| Mean commute | 17.5 min |
| Population density | 93 / 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 Geary County
| Town | ZIP codes | Population |
|---|---|---|
| Junction City | 1 | 22,331 |
| Milford | 1 | 337 |
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 Geary County.
- Riley County (9)
- Pottawatomie County (10)
- Dickinson County (6)
- Clay County (5)
- Wabaunsee County (7)
- Morris County (6)
Not sure you are in Geary County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Geary County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
66441 | Junction City , KS | Standard | 25,828 | $59,522 | $169,800 |
66514 | Milford , KS | Standard | 1,350 | $93,889 | $227,400 |
Cite this page
zipcodes.pro. “Geary County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ks/county/geary
Underlying data is public domain or openly licensed — sources, vintages and licences.