ZIP Codes of Eddy County, ND

Population & People
Population & People
Total Population
2,330
Household Income
Household Income
Median Income
$57,865
Housing
Housing
Total Housing Units
1,417
Business & Economy
Business & Economy
Total Businesses
79
Employment
Employment
Employment Rate
57.91%
Education
Education
Bachelor's Degree+
32.80%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 2 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:701
Timezone:Central (GMT -06:00)
Local Time:11:54:20 PM
Population:2,330 [See All]
FIPS:38027
Land Area:553 sq mi
Water Area:4 sq mi
Coordinates:47.7561, -99.0600
Quick Link:
https://www.zip-codes.com/county/nd-eddy.asp
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North Dakota's #36 most populous county
2,330 residents across 2 ZIPs — #36 of 64 North Dakota counties.

Standout ZIPs in this County


Most Populous
New Rockford · 1,627 people
69.8% of county total
Highest Income
Sheyenne · $64,688 median
1.1× county average
Largest Land Area
New Rockford · 293.4 sq mi
Spans the most ground
Fastest Growth
New Rockford · -7.2% (10-yr)
1,753 → 1,627 residents
Most Educated
New Rockford · 31.9% bachelor's+
410 of 1,285 adults 25+

Things worth knowing about Eddy County


2,330 residents live across 2 ZIPs covering 553 sq mi, served by 2 distinct USPS-recognized cities.

Population moved from 2,374 to 2,330 from 2014 to 2024 — a -1.9% change. 1 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 58374 (Sheyenne, $64,688 median) and poorest ZIP 58356 (New Rockford, $51,042) are 12.7 miles apart — a 1.3× income gap across local geography.

Median home values vary 1.2× across this county — from $123,500 in 58356 (New Rockford) to $150,700 in 58374 (Sheyenne).

Density varies across the county — from 3 people/sq mi in 58374 (Sheyenne) to 6 in 58356 (New Rockford).

Educational attainment ranges from 31.9% bachelor's+ in 58356 (New Rockford) to 35.2% in 58374 (Sheyenne) — the breadth of educational profiles across the area.

Within North Dakota, this is the #36 most populous of 64 counties and ranks #61 for median household income .

Weighted by population, the typical household earns about $55,159 across the county — reflecting what a typical resident sees, not a simple ZIP average.

32.8% of adults age 25+ hold a bachelor's degree or higher (579 of 1,765 reporting).

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

Stories about Eddy 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
553
square miles
Avg density
4.2
people per sq mi
Population
2,330
across 2 ZIPs
New Rockford
293.4 sq mi
1,627 residents
Sheyenne
259.3 sq mi
703 residents

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.

New Rockford

All ZIP Codes in Eddy County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
58356New RockfordStandard1,627$51,042293.4-7.2%
58374SheyenneStandard703$64,688259.313.2%

Adjacent & Nearby Counties