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County ZIP codes · Kansas · FIPS 20017

Chase County, KS ZIP Codes

Chase County, Kansas has 11 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 5 of the residential ones lie mainly in Chase County and 6 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $51,771 in 66845 (Cottonwood Falls) to $61,842 in 66846 (Council Grove) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Chase County?

66801 · Emporia: $57k66838 · Burdick: $44k66840 · Burns: $56k66843 · Cedar Point: $37k66845 · Cottonwood Falls: $52k66846 · Council Grove: $62k66850 · Elmdale: $94k66858 · Lincolnville: $77k66862 · Matfield Green: –66865 · Olpe: $93k66869 · Strong City: $51k668466680166865668406684566843668506686966862668586683866801 · Emporia: $57k66838 · Burdick: $44k66840 · Burns: $56k66843 · Cedar Point: $37k66845 · Cottonwood Falls: $52k66846 · Council Grove: $62k66850 · Elmdale: $94k66858 · Lincolnville: $77k66862 · Matfield Green: –66865 · Olpe: $93k66869 · Strong City: $51k668466680166865668406684566843668506686966862668586683866801 · Emporia: $57k66838 · Burdick: $44k66840 · Burns: $56k66843 · Cedar Point: $37k66845 · Cottonwood Falls: $52k66846 · Council Grove: $62k66850 · Elmdale: $94k66858 · Lincolnville: $77k66862 · Matfield Green: –66865 · Olpe: $93k66869 · Strong City: $51k6684666801668656684066845668436685066869668626685866838
The residential ZIP codes of Chase 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?

They carry 11 postal town names.

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

All 11 residential ZIP codes in Chase County

5 ZIP codes lie mainly in Chase County; 6 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Chase County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
66845 Cottonwood Falls 1,237 8 $52k $90k 100%
66869 Strong City 669 6 $51k $110k 100%
66850 Elmdale 202 2 $94k $110k 100%
66843 Cedar Point 105 1 $37k $113k 98%
66862 Matfield Green 68 1 – $169k 100%

Partly in Chase County

Residential ZIP codes mainly in another county that reach at least 1% into Chase County, by their share here
In this county
66865 Olpe 1,105 7 $93k $182k 33%
66840 Burns 474 3 $56k $86k 21%
66801 Emporia 27,585 92 $57k $153k 15%
66858 Lincolnville 428 6 $77k $93k 8%
66846 Council Grove 3,333 11 $62k $154k 4%
66838 Burdick 99 2 $44k $107k 2%

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?

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

Share of each ZIP code's land in Chase County and in the neighboring counties
ZIPIn ChaseElsewhere
6680115%Lyon County85%
668464%Morris County84%; Lyon County11%
6686533%Lyon County67%
6684021%Butler County54%; Marion County25%
668588%Marion County92%
6684398%Marion County2%
668382%Morris County94%; Marion County3%

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

Which first three digits do Chase County'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 Chase County starts with 668.

Three-digit prefixes of Chase 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 Chase County's
PrefixSectional centerHereAll codes
668Kansas City, MO (SCF 640)1136

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