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County ZIP codes · Kansas · FIPS 20157

Republic County, KS ZIP Codes

Republic County, Kansas has 16 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 9 of the residential ones lie mainly in Republic County and 7 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $55,284 in 66938 (Clyde) to $60,063 in 66901 (Concordia) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Republic County?

66901 · Concordia: $60k66930 · Agenda: $43k66935 · Belleville: $56k66938 · Clyde: $55k66939 · Courtland: $69k66940 · Cuba: $44k66942 · Formoso: $98k66948 · Jamestown: $85k66959 · Munden: $55k66960 · Narka: $50k66961 · Norway: –66964 · Republic: $74k66966 · Scandia: $51k68325 · Byron: $74k68327 · Chester: $56k68943 · Hardy: $181k66901669386693566948669396696666942669646694066930683276832566960689436695966901 · Concordia: $60k66930 · Agenda: $43k66935 · Belleville: $56k66938 · Clyde: $55k66939 · Courtland: $69k66940 · Cuba: $44k66942 · Formoso: $98k66948 · Jamestown: $85k66959 · Munden: $55k66960 · Narka: $50k66961 · Norway: –66964 · Republic: $74k66966 · Scandia: $51k68325 · Byron: $74k68327 · Chester: $56k68943 · Hardy: $181k66901669386693566948669396696666942669646694066930683276832566960689436695966901 · Concordia: $60k66930 · Agenda: $43k66935 · Belleville: $56k66938 · Clyde: $55k66939 · Courtland: $69k66940 · Cuba: $44k66942 · Formoso: $98k66948 · Jamestown: $85k66959 · Munden: $55k66960 · Narka: $50k66961 · Norway: –66964 · Republic: $74k66966 · Scandia: $51k68325 · Byron: $74k68327 · Chester: $56k68943 · Hardy: $181k6690166938669356694866939669666694266964669406693068327683256696068943
The residential ZIP codes of Republic 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 16 postal town names.

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

All 16 residential ZIP codes in Republic County

9 ZIP codes lie mainly in Republic County; 7 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Republic County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
66935 Belleville 2,413 20 $56k $87k 100%
66966 Scandia 577 6 $51k $101k 100%
66959 Munden 339 6 $55k – 100%
66939 Courtland 335 3 $69k $147k 83%
66940 Cuba 283 4 $44k $48k 100%
66964 Republic 175 3 $74k $22k 100%
66930 Agenda 131 2 $43k $58k 100%
66960 Narka 125 2 $50k $31k 95%
66961 Norway 6 4 – – 100%

Partly in Republic County

Residential ZIP codes mainly in another county that reach at least 1% into Republic County, by their share here
In this county
68325 Byron 131 3 $74k – 45%
68327 Chester 383 8 $56k $126k 34%
66948 Jamestown 566 5 $85k $101k 21%
68943 Hardy 241 4 $181k – 12%
66901 Concordia 6,055 24 $60k $114k 11%
66938 Clyde 1,191 10 $55k $80k 9%
66942 Formoso 305 3 $98k – 2%

Download the 16 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?

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

Share of each ZIP code's land in Republic County and in the neighboring counties
ZIPIn RepublicElsewhere
6690111%Cloud County 89%
669389%Cloud County 67%; Washington County 19%; Clay County 5%
6694821%Cloud County 78%
6832734%Thayer County 66%
6693983%Jewell County 17%
669422%Jewell County 98%
6894312%Nuckolls County 84%; Thayer County 4%
6832545%Thayer County 55%
6696095%Washington County 5%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Republic County's ZIP codes use 3 prefixes: 669, 683 and 689.

Three-digit prefixes of Republic 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 Republic County's
PrefixSectional centerHereAll codes
669 Wichita, KS (SCF 670) 13 34
683 Lincoln, NE (SCF 683) 2 70
689 Lincoln, NE (SCF 683) 1 57

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