ZIP Codes of Hamilton County, NE

Population & People
Population & People
Total Population
9,293
Household Income
Household Income
Median Income
$86,743
Housing
Housing
Total Housing Units
4,068
Business & Economy
Business & Economy
Total Businesses
322
Employment
Employment
Employment Rate
64.37%
Education
Education
Bachelor's Degree+
31.19%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:6 ZIP Codes (6 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:308 / 402 / 531
Timezone:Central (GMT -06:00)
Local Time:2:13:06 PM
Population:9,293 [See All]
FIPS:31081
Land Area:491 sq mi
Water Area:3 sq mi
Coordinates:40.9077, -98.0219
Quick Link:
https://www.zip-codes.com/county/ne-hamilton.asp
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Nebraska's #29 most populous county
9,293 residents across 6 ZIPs — #29 of 107 Nebraska counties.

Standout ZIPs in this County


Most Populous
Aurora · 5,680 people
61.1% of county total
Highest Income
Phillips · $109,554 median
1.3× county average
Largest Land Area
Aurora · 180.4 sq mi
Spans the most ground
Fastest Growth
Aurora · 6.8% (10-yr)
5,317 → 5,680 residents
Most Educated
Aurora · 35.3% bachelor's+
1,331 of 3,768 adults 25+

Things worth knowing about Hamilton County


9,293 residents live across 6 ZIPs covering 491 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 8,878 to 9,293 from 2014 to 2024 — a +4.7% change. 3 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 68865 (Phillips, $109,554 median) and poorest ZIP 68846 (Hordville, $68,333) are 18.5 miles apart — a 1.6× income gap across local geography.

Median home values vary 3.2× across this county — from $95,800 in 68846 (Hordville) to $305,000 in 68854 (Marquette).

Density varies across the county — from 9 people/sq mi in 68841 (Giltner) to 31 in 68818 (Aurora).

Educational attainment ranges from 6.9% bachelor's+ in 68846 (Hordville) to 35.3% in 68818 (Aurora) — the breadth of educational profiles across the area.

Within Nebraska, this is the #29 most populous of 107 counties and ranks #8 for median household income .

Weighted by population, the typical household earns about $85,382 across the county — reflecting what a typical resident sees, not a simple ZIP average.

31.2% of adults age 25+ hold a bachelor's degree or higher (1,993 of 6,390 reporting).

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

Stories about Hamilton County


Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Aurora

All ZIP Codes in Hamilton County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
68818AuroraStandard5,680$81,045180.46.8%
68843HamptonStandard1,032$92,77878.321.6%
68865PhillipsStandard941$109,55462.119.3%
68854MarquetteStandard708$91,87572.7-17.4%
68841GiltnerStandard649$76,87570.5-4.6%
68846HordvilleStandard283$68,33327.3-26.7%

Adjacent & Nearby Counties