ZIP Codes of Clay County, NE

Population & People
Population & People
Total Population
6,459
Household Income
Household Income
Median Income
$77,302
Housing
Housing
Total Housing Units
3,032
Business & Economy
Business & Economy
Total Businesses
189
Employment
Employment
Employment Rate
67.04%
Education
Education
Bachelor's Degree+
23.14%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 11 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:11 ZIP Codes (11 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:402 / 531
Timezone:Central (GMT -06:00)
Local Time:11:54:23 PM
Population:6,459 [See All]
FIPS:31035
CBSA:Hastings, NE
Land Area:727 sq mi
Water Area:2 sq mi
Coordinates:40.5151, -98.0716
Quick Link:
https://www.zip-codes.com/county/ne-clay.asp
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Notable population decline
Lost 10.6% of residents since 2014.
Striking education divide
Bachelor's share spans 9.1% to 42.9% — a 34-point gap.

Standout ZIPs in this County


Most Populous
Sutton · 1,572 people
24.3% of county total
Highest Income
Trumbull · $124,375 median
1.6× county average
Largest Land Area
Sutton · 136.6 sq mi
Spans the most ground
Fastest Growth
Harvard · 8.3% (10-yr)
1,156 → 1,252 residents
Most Educated
Sutton · 27.7% bachelor's+
315 of 1,138 adults 25+

Things worth knowing about Clay County


6,459 residents live across 11 ZIPs covering 727 sq mi, served by 11 distinct USPS-recognized cities.

Population moved from 7,226 to 6,459 from 2014 to 2024 — a -10.6% change. 4 ZIPs gained residents, 7 lost.

The county's wealthiest ZIP 68980 (Trumbull, $124,375 median) and poorest ZIP 68935 (Edgar, $61,667) are 25.3 miles apart — a 2.0× income gap across local geography.

Median home values vary 2.3× across this county — from $112,500 in 68975 (Saronville) to $260,300 in 68980 (Trumbull).

Density varies across the county — from 2 people/sq mi in 68934 (Deweese) to 14 in 68980 (Trumbull).

Educational attainment ranges from 9.1% bachelor's+ in 68452 (Ong) to 42.9% in 68975 (Saronville) — the breadth of educational profiles across the area.

Within Nebraska, this is the #43 most populous of 107 counties and ranks #31 for median household income .

Weighted by population, the typical household earns about $80,442 across the county — reflecting what a typical resident sees, not a simple ZIP average.

23.1% of adults age 25+ hold a bachelor's degree or higher (1,045 of 4,516 reporting).

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

Stories about Clay 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
727
square miles
Avg density
8.9
people per sq mi
Population
6,459
across 11 ZIPs
Sutton
136.6 sq mi
1,572 residents
Edgar
113.0 sq mi
726 residents
Harvard
111.2 sq mi
1,252 residents

Population decline

Clay County lost 10.6% of residents between 2014 and 2024. ZIPs that shed the largest share:

Glenvil
-26.3%
927 → 683 residents
Sutton
-23.5%
2,054 → 1,572 residents
Clay Center
-10.8%
954 → 851 residents

All ZIP Codes in Clay County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
68979SuttonStandard1,572$85,862136.6-23.5%
68944HarvardStandard1,252$69,432111.28.3%
68933Clay CenterStandard851$89,58376.9-10.8%
68935EdgarStandard726$61,667113.0-4.3%
68941GlenvilStandard683$72,46090.1-26.3%
68980TrumbullStandard561$124,37541.044.6%
68938FairfieldStandard532$68,25065.95.8%
68975SaronvilleStandard88$92,50027.3-46.3%
68934DeweeseStandard8434.69.1%
68452OngStandard67$63,00017.7-31.6%
68954InlandStandard43$45,89312.8-70.5%

Adjacent & Nearby Counties