ZIP Codes of Dickey County, ND

Population & People
Population & People
Total Population
966
Household Income
Household Income
Median Income
$51,250
Housing
Housing
Total Housing Units
712
Business & Economy
Business & Economy
Total Businesses
72
Employment
Employment
Employment Rate
58.55%
Education
Education
Bachelor's Degree+
20.69%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 1 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:605 / 701
Timezone:Central (GMT -06:00)
Local Time:11:54:20 PM
Population:966 [See All]
FIPS:46089
CBSA:Aberdeen, SD
Land Area:963 sq mi
Water Area:17 sq mi
Coordinates:46.0706, -99.2445
Quick Link:
https://www.zip-codes.com/county/nd-dickey.asp
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Notable population decline
Lost 16.7% of residents since 2014.
Among America's 25 oldest counties
Median age 60.1 — #9 nationwide.
North Dakota's shortest commutes
11-minute avg commute — the shortest in the state.

Standout ZIPs in this County


Most Populous
Oakes · 2,656 people
51.8% of county total
Highest Income
Fullerton · $88,125 median
1.2× county average
Largest Land Area
Oakes · 351.0 sq mi
Spans the most ground
Fastest Growth
Oakes · -1.6% (10-yr)
2,700 → 2,656 residents
Most Educated
Ellendale · 30.7% bachelor's+
314 of 1,024 adults 25+

Things worth knowing about Dickey County


5,132 residents live across 4 ZIPs covering 963 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 5,179 to 5,132 from 2014 to 2024 — a -0.9% change. 2 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 58441 (Fullerton, $88,125 median) and poorest ZIP 58436 (Ellendale, $69,286) are 14.9 miles apart — a 1.3× income gap across local geography.

Median home values vary 1.1× across this county — from $153,200 in 58441 (Fullerton) to $164,100 in 58436 (Ellendale).

Density varies across the county — from 2 people/sq mi in 58441 (Fullerton) to 8 in 58474 (Oakes).

Educational attainment ranges from 22.2% bachelor's+ in 58441 (Fullerton) to 30.7% in 58436 (Ellendale) — the breadth of educational profiles across the area.

Within North Dakota, this is the #56 most populous of 64 counties and ranks #64 for median household income .

Weighted by population, the typical household earns about $72,963 across the county — reflecting what a typical resident sees, not a simple ZIP average.

28.4% of adults age 25+ hold a bachelor's degree or higher (973 of 3,430 reporting).

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

Stories about Dickey 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
963
square miles
Avg density
5.3
people per sq mi
Population
5,132
across 4 ZIPs
Oakes
351.0 sq mi
2,656 residents
Ellendale
336.9 sq mi
1,697 residents
Fullerton
159.0 sq mi
394 residents

Population decline

Dickey County lost 16.7% of residents between 2014 and 2024. ZIPs that shed the largest share:

Ellendale
-16.3%
2,028 → 1,697 residents

All ZIP Codes in Dickey County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
58474OakesStandard2,656$72,969351.0-1.6%
58436EllendaleStandard1,697$69,286336.9-16.3%
58441FullertonStandard394$88,125159.029.2%
58439ForbesStandard385$73,611116.4163.7%

Adjacent & Nearby Counties