Plain

County ZIP codes · Nebraska · FIPS 31107

Knox County, NE ZIP Codes

Knox County, Nebraska has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 8 of the residential ones lie mainly in Knox County and 2 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $53,409 in 68760 (Niobrara) to $78,750 in 68786 (Wausa) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Knox County?

68718 · Bloomfield: $60k68724 · Center: $104k68729 · Creighton: $63k68730 · Crofton: $77k68760 · Niobrara: $53k68763 · Oneill: $65k68764 · Orchard: $71k68783 · Verdigre: $46k68786 · Wausa: $79k68789 · Winnetoon: $96k6876368760687186878368729687306876468786687246878968718 · Bloomfield: $60k68724 · Center: $104k68729 · Creighton: $63k68730 · Crofton: $77k68760 · Niobrara: $53k68763 · Oneill: $65k68764 · Orchard: $71k68783 · Verdigre: $46k68786 · Wausa: $79k68789 · Winnetoon: $96k6876368760687186878368729687306876468786687246878968718 · Bloomfield: $60k68724 · Center: $104k68729 · Creighton: $63k68730 · Crofton: $77k68760 · Niobrara: $53k68763 · Oneill: $65k68764 · Orchard: $71k68783 · Verdigre: $46k68786 · Wausa: $79k68789 · Winnetoon: $96k687636876068718687836872968730687646878668789
The residential ZIP codes of Knox 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?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $60,250 and $65,362.

They carry 10 postal town names.

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

All 10 residential ZIP codes in Knox County

8 ZIP codes lie mainly in Knox County; 2 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Knox County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
68730 Crofton 2,156 14 $77k $209k 68%
68729 Creighton 1,735 10 $63k $152k 82%
68718 Bloomfield 1,603 7 $60k $139k 100%
68760 Niobrara 1,126 6 $53k $94k 100%
68786 Wausa 1,080 9 $79k $103k 79%
68783 Verdigre 964 4 $46k $110k 100%
68724 Center 276 7 $104k $119k 100%
68789 Winnetoon 127 3 $96k – 100%

Partly in Knox County

Residential ZIP codes mainly in another county that reach at least 1% into Knox County, by their share here
In this county
68764 Orchard 819 6 $71k $134k 36%
68763 Oneill 4,572 8 $65k $163k 1%

Download the 10 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?

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

Share of each ZIP code's land in Knox County and in the neighboring counties
ZIPIn KnoxElsewhere
687631%Holt County 99%
6873068%Cedar County 32%
6872982%Antelope County 18%
6878679%Cedar County 17%; Pierce County 4%
6876436%Antelope County 55%; Holt County 9%

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

Which first three digits do Knox 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 Knox County starts with 687.

Three-digit prefixes of Knox 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 Knox County's
PrefixSectional centerHereAll codes
687 Omaha, NE (SCF 680) 10 75

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