City ZIP codes · Kansas
Topeka, KS ZIP Codes
31 ZIP codes use the postal name Topeka, Kansas (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 18 residential and 13 for PO boxes or a single organization. Median household income runs from $26,067 in 66612 to $132,821 in 66610, 5.1 times as much (Census Bureau, ACS 2020-2024). Topeka's most populous ZIP code is 66614, with 32,538 people (ACS 2020-2024); 29% of its land is in the city of Topeka.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Topeka's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are Topeka's ZIP codes?
The highest median household income is in 66610 ($132,821), the lowest in 66612 ($26,067). Home values run from $46,400 in 66607 to $341,100 in 66610.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 18 residential ZIP codes of Topeka
| County | |||||
|---|---|---|---|---|---|
| 66614 | Shawnee County | 32,538 | 1,352 | $71k | $194k |
| 66604 | Shawnee County | 23,006 | 3,404 | $61k | $139k |
| 66605 | Shawnee County | 20,891 | 2,089 | $59k | $171k |
| 66618 | Shawnee County | 10,179 | 140 | $110k | $254k |
| 66607 | Shawnee County | 9,965 | 1,427 | $30k | $46k |
| 66610 | Shawnee County | 9,849 | 223 | $133k | $341k |
| 66606 | Shawnee County | 9,842 | 1,708 | $57k | $131k |
| 66611 | Shawnee County | 9,828 | 2,973 | $56k | $157k |
| 66617 | Shawnee County | 8,903 | 206 | $87k | $233k |
| 66609 | Shawnee County | 7,572 | 604 | $68k | $109k |
| 66616 | Shawnee County | 6,212 | 1,016 | $52k | $83k |
| 66608 | Shawnee County | 4,216 | 970 | $49k | $88k |
| 66619 | Shawnee County | 3,217 | 380 | $52k | $90k |
| 66615 | Shawnee County | 2,943 | 66 | $108k | $291k |
| 66603 | Shawnee County | 1,830 | 2,047 | $45k | $108k |
| 66612 | Shawnee County | 1,754 | 1,647 | $26k | – |
| 66621 | Shawnee County | 442 | 2,188 | – | – |
| 66622 | Shawnee County | 56 | 459 | – | – |
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 Topeka
13 ZIP codes named Topeka 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 |
|---|---|
| 66601 | Shawnee County |
| 66620 | Shawnee County |
| 66624 | Shawnee County |
| 66625 | Shawnee County |
| 66626 | Shawnee County |
| 66629 | Shawnee County |
| 66630 | Shawnee County |
| 66636 | Shawnee County |
| 66647 | Shawnee County |
| 66667 | Shawnee County |
| 66675 | Shawnee County |
| 66683 | Shawnee County |
| 66699 | Shawnee County |
Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.
Which counties do Topeka's ZIP codes reach?
Topeka's residential ZIP codes lie in 4 counties: Shawnee County (18 ZIP codes mainly there), Wabaunsee County (part of a ZIP code), Jefferson County (part of a ZIP code), Jackson County (part of a ZIP code).
Which places do Topeka's ZIP codes cover?
A postal name is not a city limit. By the Census Bureau's places, Topeka's residential ZIP codes cover Topeka itself and 2 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).
Which first three digits do Topeka'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 Topeka starts with 666.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 666 | Kansas City, MO (SCF 640) | 31 | 31 |
All 31 ZIP codes that start with 666 are Topeka's: 18 residential codes and 13 PO Box or unique codes, sorted at Kansas City, MO (SCF 640).
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.