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County ZIP codes · Kansas · FIPS 20039

Decatur County, KS ZIP Codes

Decatur County, Kansas has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in Decatur County and 4 mainly in a neighboring county; 8 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Decatur County?

67629 · Clayton: $74k67635 · Dresden: –67643 · Jennings: –67653 · Norcatur: $53k67739 · Herndon: $61k67749 · Oberlin: $54k67757 · Selden: $58k69026 · Danbury: $38k677496775767643676356765367629677396902667629 · Clayton: $74k67635 · Dresden: –67643 · Jennings: –67653 · Norcatur: $53k67739 · Herndon: $61k67749 · Oberlin: $54k67757 · Selden: $58k69026 · Danbury: $38k677496775767643676356765367629677396902667629 · Clayton: $74k67635 · Dresden: –67643 · Jennings: –67653 · Norcatur: $53k67739 · Herndon: $61k67749 · Oberlin: $54k67757 · Selden: $58k69026 · Danbury: $38k6774967757676436763567653676296773969026
The residential ZIP codes of Decatur 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).

All 8 residential ZIP codes in Decatur County

4 ZIP codes lie mainly in Decatur County; 4 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Decatur County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
67749 Oberlin 2,209 5 $54k $90k 94%
67653 Norcatur 232 1 $53k $68k 62%
67643 Jennings 194 1 – $47k 76%
67635 Dresden 136 1 – $141k 70%

Partly in Decatur County

Residential ZIP codes mainly in another county that reach at least 1% into Decatur County, by their share here
In this county
67629 Clayton 33 0 $74k – 46%
67757 Selden 466 2 $58k $83k 39%
69026 Danbury 148 2 $38k $156k 36%
67739 Herndon 280 2 $61k $51k 4%

Download the 8 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 Decatur County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Decatur County and in the neighboring counties
ZIPIn DecaturElsewhere
6774994%Rawlins County 6%
6775739%Sheridan County 61%
677394%Rawlins County 96%
6765362%Norton County 38%
6764376%Sheridan County 24%
6902636%Red Willow County 64%
6763570%Sheridan County 30%
6762946%Norton County 54%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Decatur County's ZIP codes use 3 prefixes: 676, 677 and 690.

Three-digit prefixes of Decatur 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 Decatur County's
PrefixSectional centerHereAll codes
676 Wichita, KS (SCF 670) 4 45
677 North Platte, NE (SCF 691) 3 28
690 North Platte, NE (SCF 691) 1 26

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