ZIP Codes of Blaine County, NE

Population & People
Population & People
Total Population
336
Household Income
Household Income
Median Income
$79,264
Housing
Housing
Total Housing Units
261
Business & Economy
Business & Economy
Total Businesses
12
Employment
Employment
Employment Rate
60.57%
Education
Education
Bachelor's Degree+
23.46%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:308
Timezone:Central (GMT -06:00)
Local Time:2:13:04 PM
Population:336 [See All]
FIPS:31009
Land Area:714 sq mi
Water Area:3 sq mi
Coordinates:41.9588, -100.0330
Quick Link:
https://www.zip-codes.com/county/ne-blaine.asp
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Notable population decline
Lost 41.9% of residents since 2014.
Among America's 25 oldest counties
Median age 60.0 — #10 nationwide.

Standout ZIPs in this County


Most Populous
Dunning · 148 people
44.0% of county total
Highest Income
Purdum · $95,714 median
1.2× county average
Largest Land Area
Dunning · 362.0 sq mi
Spans the most ground
Fastest Growth
— growth not calculable
Most Educated
— no education data

Things worth knowing about Blaine County


336 residents live across 3 ZIPs covering 714 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 578 to 336 from 2014 to 2024 — a -41.9% change. 1 ZIPs gained residents, 1 lost (and 1 held flat).

The county's wealthiest ZIP 69157 (Purdum, $95,714 median) and poorest ZIP 68833 (Dunning, $62,813) are 12.5 miles apart — a 1.5× income gap across local geography.

Median home values vary 1.8× across this county — from $104,200 in 68833 (Dunning) to $183,600 in 68821 (Brewster).

Density varies across the county — from 0 people/sq mi in 68833 (Dunning) to 1 in 68821 (Brewster).

Educational attainment ranges from 11.0% bachelor's+ in 68821 (Brewster) to 31.9% in 68833 (Dunning) — the breadth of educational profiles across the area.

Within Nebraska, this is the #103 most populous of 107 counties and ranks #22 for median household income .

Weighted by population, the typical household earns about $76,000 across the county — reflecting what a typical resident sees, not a simple ZIP average.

23.5% of adults age 25+ hold a bachelor's degree or higher (61 of 260 reporting).

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

Stories about Blaine 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
714
square miles
Avg density
0.5
people per sq mi
Population
336
across 3 ZIPs
Dunning
362.0 sq mi
148 residents
Purdum
195.7 sq mi
99 residents
Brewster
156.4 sq mi
89 residents

Population decline

Blaine County lost 41.9% of residents between 2014 and 2024.

All ZIP Codes in Blaine County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
68833DunningStandard148$62,813362.0-68.4%
69157PurdumStandard99$95,714195.7395.0%
68821BrewsterStandard89156.40.0%

Adjacent & Nearby Counties