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zipcodes.pro — STATE/NE/COUNTY/JEFFERSON

Jefferson County, NE ZIP codes

There are 8 ZIP codes in Jefferson County, NE, in 8 towns, from 68338 to 68440. The largest are 68352 (Fairbury), 68424 (Plymouth) and 68342 (Diller).

The county seat is Fairbury.

ZIP codes
8
Towns
8
County seat
Fairbury
County FIPS
31095
Population
7,161
Median household income
$59,044
Land area
570 sq mi

Jefferson County ZIP codes by town

Fairbury (county seat)
68352

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Jefferson County ZIP codes

6833868342683506835268377684246842968440

The ZIP codes of Jefferson County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Jefferson County in numbers

About 7,161 people live in Jefferson County, in 3,136 households, the 40th most populous of Nebraska's 93 counties. The median household income is $59,044 a year, 23% below the Nebraska median of $76,475 (US: $80,734). The median owner-occupied home is valued at $129,500 (46% below the Nebraska median), and median gross rent is $662 a month. The median age is 44.4; 20.2% of adults 25 and over hold a bachelor's degree or higher (34.6% across Nebraska); the average commute takes 17 minutes.

Population7,161Jefferson7,161
Households3,136Jefferson3,136
Median age44.4Jefferson44.4Nebraska37.2US 38.9
Median household income$59,044Jefferson$59,044Nebraska$76,475US $80,734
Median home value$129,500Jefferson$129,500Nebraska$238,600US $332,700
Median gross rent$662Jefferson$662Nebraska$1,072US $1,413
Bachelor's degree or higher20.2%Jefferson20.2%Nebraska34.6%US 35.7%
Mean commute16.5 minJefferson16.5 minNebraska19.2 minUS 26.4 min
Population density13 / sq miJefferson13 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Jefferson County

Largest towns in Jefferson County
TownZIP codesPopulation
Fairbury 1 3,888
Plymouth 1 397
Daykin 1 195
Diller 1 179
Endicott 1 151
Jansen 1 123
Steele City 1 62
Reynolds 1 41

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Jefferson County.

Not sure you are in Jefferson County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Jefferson County, with figures

ZIP codes in Jefferson County
ZIP City Type Population Median income Median home
68338 Daykin , NE Standard 217 $76,875 $110,400
68342 Diller , NE Standard 497 $75,000 $131,300
68350 Endicott , NE Standard 173 $77,344 $75,300
68352 Fairbury , NE Standard 4,938 $55,370 $132,200
68377 Jansen , NE Standard 412 $72,500 $97,800
68424 Plymouth , NE Standard 707 $68,654 $174,200
68429 Reynolds , NE Standard 59 $43,611 $105,600
68440 Steele City , NE Standard 109 — —

Cite this page

zipcodes.pro. “Jefferson County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ne/county/jefferson

Underlying data is public domain or openly licensed — sources, vintages and licences.