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County ZIP codes · Nebraska · FIPS 31095

Jefferson County, NE ZIP Codes

Jefferson County, Nebraska has 13 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 8 of the residential ones lie mainly in Jefferson County and 5 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $55,370 in 68352 (Fairbury) to $60,928 in 68310 (Beatrice) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Jefferson County?

68303 · Alexandria: $60k68310 · Beatrice: $61k68338 · Daykin: $77k68341 · De Witt: $83k68342 · Diller: $75k68350 · Endicott: $77k68352 · Fairbury: $55k68377 · Jansen: $73k68424 · Plymouth: $69k68429 · Reynolds: $44k68440 · Steele City: –68453 · Tobias: $84k68464 · Western: $60k6835268310683416834268464683036845368424683776833868429683506844068303 · Alexandria: $60k68310 · Beatrice: $61k68338 · Daykin: $77k68341 · De Witt: $83k68342 · Diller: $75k68350 · Endicott: $77k68352 · Fairbury: $55k68377 · Jansen: $73k68424 · Plymouth: $69k68429 · Reynolds: $44k68440 · Steele City: –68453 · Tobias: $84k68464 · Western: $60k68352683106834168342684646830368453684246837768338684296835068303 · Alexandria: $60k68310 · Beatrice: $61k68338 · Daykin: $77k68341 · De Witt: $83k68342 · Diller: $75k68350 · Endicott: $77k68352 · Fairbury: $55k68377 · Jansen: $73k68424 · Plymouth: $69k68429 · Reynolds: $44k68440 · Steele City: –68453 · Tobias: $84k68464 · Western: $60k6835268310683416834268464683036845368424683776833868350
The residential ZIP codes of Jefferson 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 13 postal town names.

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

All 13 residential ZIP codes in Jefferson County

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

Residential ZIP codes mainly in Jefferson County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
68352 Fairbury 4,938 18 $55k $132k 100%
68424 Plymouth 707 11 $69k $174k 99%
68342 Diller 497 7 $75k $131k 74%
68377 Jansen 412 8 $73k $98k 100%
68338 Daykin 217 5 $77k $110k 100%
68350 Endicott 173 6 $77k $75k 100%
68440 Steele City 109 5 – – 100%
68429 Reynolds 59 3 $44k $106k 52%

Partly in Jefferson County

Residential ZIP codes mainly in another county that reach at least 1% into Jefferson County, by their share here
In this county
68303 Alexandria 233 4 $60k $63k 15%
68453 Tobias 280 4 $84k $121k 7%
68341 De Witt 821 9 $83k $172k 3%
68310 Beatrice 14,093 65 $61k $168k 3%
68464 Western 392 5 $60k $178k 2%

Download the 13 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 Jefferson County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Jefferson County and in the neighboring counties
ZIPIn JeffersonElsewhere
683103%Gage County 97%
683413%Gage County 52%; Saline County 45%
6842499%Gage County 1%
6834274%Gage County 26%
684642%Saline County 98%
684537%Saline County 70%; Fillmore County 20%; Thayer County 4%
6830315%Thayer County 85%
6842952%Thayer County 48%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Jefferson County's ZIP codes use 2 prefixes: 683 and 684.

Three-digit prefixes of Jefferson 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 Jefferson County's
PrefixSectional centerHereAll codes
683 Lincoln, NE (SCF 683) 8 70
684 Lincoln, NE (SCF 683) 5 56

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