ZIP Codes of Frontier County, NE

Population & People
Population & People
Total Population
2,324
Household Income
Household Income
Median Income
$67,854
Housing
Housing
Total Housing Units
1,135
Business & Economy
Business & Economy
Total Businesses
73
Employment
Employment
Employment Rate
61.58%
Education
Education
Bachelor's Degree+
28.85%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 5 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:308
Timezone:Central (GMT -06:00)
Local Time:11:54:24 PM
Population:2,324 [See All]
FIPS:31063
Land Area:828 sq mi
Water Area:1 sq mi
Coordinates:40.6080, -100.3993
Quick Link:
https://www.zip-codes.com/county/ne-frontier.asp
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Nebraska's #70 most populous county
2,324 residents across 5 ZIPs — #70 of 107 Nebraska counties.

Standout ZIPs in this County


Most Populous
Curtis · 951 people
40.9% of county total
Highest Income
Eustis · $85,938 median
1.3× county average
Largest Land Area
Curtis · 241.9 sq mi
Spans the most ground
Fastest Growth
Curtis · -20.1% (10-yr)
1,190 → 951 residents
Most Educated
— no education data

Things worth knowing about Frontier County


2,324 residents live across 5 ZIPs covering 828 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 2,482 to 2,324 from 2014 to 2024 — a -6.4% change. 2 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 69028 (Eustis, $85,938 median) and poorest ZIP 69039 (Moorefield, $48,500) are 16.7 miles apart — a 1.8× income gap across local geography.

Median home values vary 1.5× across this county — from $111,500 in 69038 (Maywood) to $167,500 in 69028 (Eustis).

Density varies across the county — from 1 people/sq mi in 69039 (Moorefield) to 4 in 69025 (Curtis).

Educational attainment ranges from 13.0% bachelor's+ in 69039 (Moorefield) to 34.9% in 69028 (Eustis) — the breadth of educational profiles across the area.

Within Nebraska, this is the #70 most populous of 107 counties and ranks #64 for median household income .

Weighted by population, the typical household earns about $72,989 across the county — reflecting what a typical resident sees, not a simple ZIP average.

28.8% of adults age 25+ hold a bachelor's degree or higher (444 of 1,539 reporting).

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

Stories about Frontier 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
828
square miles
Avg density
2.8
people per sq mi
Population
2,324
across 5 ZIPs
Curtis
241.9 sq mi
951 residents
Eustis
219.8 sq mi
820 residents
Maywood
197.7 sq mi
418 residents

Population decline

Frontier County lost 6.4% of residents between 2014 and 2024. ZIPs that shed the largest share:

Curtis
-20.1%
1,190 → 951 residents

All ZIP Codes in Frontier County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
69025CurtisStandard951$65,729241.9-20.1%
69028EustisStandard820$85,938219.820.6%
69038MaywoodStandard418$71,250197.7-16.1%
69039MoorefieldStandard122$48,50090.0144.0%
69042StockvilleStandard1378.7-79.7%

Adjacent & Nearby Counties