County ZIP codes · Kansas · FIPS 20073

Greenwood County, KS ZIP Codes

Greenwood County, Kansas has 11 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 10 residential and 1 for PO boxes or a single organization. 9 of the residential ones lie mainly in Greenwood County and 1 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $60,531 in 66860 (Madison) to $62,629 in 67045 (Eureka) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Greenwood County?

The residential ZIP codes of Greenwood County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

66860 · $61k67045 · $63k

They carry 10 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 10 residential ZIP codes in Greenwood County

9 ZIP codes lie mainly in Greenwood County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Greenwood County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
67045	Eureka	3,406	8	$63k	$110k	99%
66860	Madison	1,342	7	$61k	$76k	82%
67047	Fall River	496	3	$54k	$98k	63%
66777	Toronto	473	4	$42k	$58k	51%
67137	Severy	357	4	$48k	$57k	72%
67122	Piedmont	296	2	$138k	–	58%
66853	Hamilton	281	2	$52k	$49k	100%
66870	Virgil	121	1	$34k	–	80%
66863	Neal	27	61	–	–	100%

Partly in Greenwood County

Residential ZIP codes mainly in another county that reach at least 1% into Greenwood County, by their share here
						In this county
66852	Gridley	587	4	$61k	$111k	18%

Download the 11 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

8 ZIP codes of Greenwood County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Greenwood County and in the neighboring counties
ZIP	In Greenwood	Elsewhere
67045	99%
66860	82%	Lyon County18%
66852	18%	Coffey County58%; Woodson County24%
67047	63%	Elk County27%; Wilson County10%
66777	51%	Woodson County43%; Wilson County6%
67137	72%	Elk County28%
67122	58%	Elk County42%
66870	80%	Woodson County20%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Greenwood County without a residential area (GeoNames postal codes)
ZIP	Postal name
66855	Lamont

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Greenwood County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Greenwood County's ZIP codes use 4 prefixes: 667, 668, 670 and 671.

Three-digit prefixes of Greenwood County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Greenwood County's
Prefix	Sectional center	Here	All codes
667	Kansas City, MO (SCF 640)	1	53
668	Kansas City, MO (SCF 640)	6	36
670	Wichita, KS (SCF 670)	2	58
671	Wichita, KS (SCF 670)	2	42

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.