City ZIP codes · Kansas
Kansas City, KS ZIP Codes
15 ZIP codes use the postal name Kansas City, Kansas (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 12 residential and 3 for PO boxes or a single organization. Median household income runs from $34,397 in 66105 to $102,593 in 66109, 3.0 times as much (Census Bureau, ACS 2020-2024). Kansas City's most populous ZIP code is 66102, with 29,443 people (ACS 2020-2024); 100% of its land is in the city of Kansas City.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Kansas City's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are Kansas City's ZIP codes?
The highest median household income is in 66109 ($102,593), the lowest in 66105 ($34,397). Home values run from $79,200 in 66105 to $273,600 in 66109.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 12 residential ZIP codes of Kansas City
| County | |||||
|---|---|---|---|---|---|
| 66102 | Wyandotte County | 29,443 | 2,564 | $53k | $116k |
| 66109 | Wyandotte County | 28,355 | 618 | $103k | $274k |
| 66104 | Wyandotte County | 27,033 | 1,673 | $61k | $142k |
| 66106 | Wyandotte County | 24,245 | 1,280 | $61k | $169k |
| 66112 | Wyandotte County | 12,881 | 2,345 | $62k | $200k |
| 66103 | Wyandotte County | 12,730 | 2,728 | $53k | $148k |
| 66101 | Wyandotte County | 12,556 | 3,880 | $43k | $106k |
| 66111 | Wyandotte County | 9,996 | 431 | $66k | $163k |
| 66105 | Wyandotte County | 2,605 | 867 | $34k | $79k |
| 66160 | Wyandotte County | 37 | 902 | – | – |
| 66115 | Wyandotte County | no residents | 0 | – | – |
| 66118 | Wyandotte County | no residents | 0 | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).
PO Box and single-organization ZIP codes in Kansas City
3 ZIP codes named Kansas City have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.
| ZIP | County |
|---|---|
| 66110 | Wyandotte County |
| 66117 | Wyandotte County |
| 66119 | Wyandotte County |
Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.
Which counties do Kansas City's ZIP codes reach?
Wyandotte County and Kansas City cover nearly the same ground. 12 of the 13 residential ZIP codes of Wyandotte County are among Kansas City's 12, listed here (the County column of the table marks them); the other one is 66012 (Bonner Springs).
Kansas City's residential ZIP codes lie in 2 counties: Wyandotte County (12 ZIP codes mainly there), Leavenworth County (part of a ZIP code).
Which places do Kansas City's ZIP codes cover?
A postal name is not a city limit. By the Census Bureau's places, Kansas City's residential ZIP codes cover Kansas City itself and 1 other place, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
- Edwardsville 66111
Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).
Which first three digits do Kansas City's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Kansas City starts with 661.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 661 | Kansas City, MO (SCF 640) | 15 | 16 |
15 of the 16 ZIP codes that start with 661 are Kansas City's, all sorted at Kansas City, MO (SCF 640). The other one is 66113 (Edwardsville, PO Box or unique).
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.