ZIP Codes of Arthur County, NE

Population & People
Population & People
Total Population
365
Household Income
Household Income
Median Income
$73,750
Housing
Housing
Total Housing Units
187
Business & Economy
Business & Economy
Total Businesses
12
Employment
Employment
Employment Rate
66.20%
Education
Education
Bachelor's Degree+
31.54%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 1 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:1 ZIP Codes (1 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:308
Timezone:Mountain (GMT -07:00)
Local Time:11:54:22 PM
Population:365 [See All]
FIPS:31005
Land Area:565 sq mi
Water Area:1 sq mi
Coordinates:41.5340, -101.6957
Quick Link:
https://www.zip-codes.com/county/ne-arthur.asp
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Notable population decline
Lost 18.2% of residents since 2014.

Standout ZIPs in this County


Most Populous
Arthur · 365 people
100.0% of county total
Highest Income
Arthur · $73,750 median
1.0× county average
Largest Land Area
Arthur · 565.4 sq mi
Spans the most ground
Fastest Growth
— growth not calculable
Most Educated
— no education data

Things worth knowing about Arthur County


365 residents live across 1 ZIPs covering 565 sq mi, served by 1 distinct USPS-recognized cities.

Population moved from 446 to 365 from 2014 to 2024 — a -18.2% change. 0 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 69121 (Arthur, $73,750 median) and poorest ZIP 69121 (Arthur, $73,750) are 0.0 miles apart — a 1.0× income gap across local geography.

Within Nebraska, this is the #101 most populous of 107 counties and ranks #43 for median household income .

Weighted by population, the typical household earns about $73,750 across the county — reflecting what a typical resident sees, not a simple ZIP average.

31.5% of adults age 25+ hold a bachelor's degree or higher (82 of 260 reporting).

1 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Arthur County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
565
square miles
Avg density
0.6
people per sq mi
Population
365
across 1 ZIPs
Arthur
565.4 sq mi
365 residents

Population decline

Arthur County lost 18.2% of residents between 2014 and 2024.

All ZIP Codes in Arthur County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
69121ArthurStandard365$73,750565.4-18.2%

Adjacent & Nearby Counties