ZIP Codes of Benson County, ND

Population & People
Population & People
Total Population
5,546
Household Income
Household Income
Median Income
$68,082
Housing
Housing
Total Housing Units
2,378
Business & Economy
Business & Economy
Total Businesses
78
Employment
Employment
Employment Rate
51.39%
Education
Education
Bachelor's Degree+
20.56%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 11 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:11 ZIP Codes (9 Standard, 2 PO Box, 0 Unique) [See All]
Area Code:701
Timezone:Central (GMT -06:00)
Local Time:2:13:01 PM
Population:5,546 [See All]
FIPS:38005
Land Area:1,490 sq mi
Water Area:60 sq mi
Coordinates:48.0634, -99.2677
Quick Link:
https://www.zip-codes.com/county/nd-benson.asp
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Notable population decline
Lost 15.0% of residents since 2014.

Standout ZIPs in this County


Most Populous
Fort Totten · 1,177 people
21.2% of county total
Highest Income
Warwick · $90,500 median
1.3× county average
Largest Land Area
Maddock · 274.3 sq mi
Spans the most ground
Fastest Growth
Saint Michael · -19.9% (10-yr)
1,383 → 1,108 residents
Most Educated
— no education data

Things worth knowing about Benson County


5,546 residents live across 11 ZIPs covering 1,490 sq mi, served by 11 distinct USPS-recognized cities.

Population moved from 6,521 to 5,546 from 2014 to 2024 — a -15.0% change. 4 ZIPs gained residents, 7 lost.

The county's wealthiest ZIP 58381 (Warwick, $90,500 median) and poorest ZIP 58379 (Tokio, $42,333) are 5.3 miles apart — a 2.1× income gap across local geography.

Median home values vary 9.7× across this county — from $22,800 in 58335 (Fort Totten) to $220,600 in 58343 (Knox).

Density varies 86× across the county — from 0 people/sq mi in 58386 (York) to 39 in 58335 (Fort Totten).

Educational attainment ranges from 1.7% bachelor's+ in 58335 (Fort Totten) to 43.4% in 58381 (Warwick) — the breadth of educational profiles across the area.

Within North Dakota, this is the #22 most populous of 64 counties and ranks #50 for median household income .

Weighted by population, the typical household earns about $65,210 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.6% of adults age 25+ hold a bachelor's degree or higher (657 of 3,195 reporting).

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

Stories about Benson 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
1,490
square miles
Avg density
3.7
people per sq mi
Population
5,546
across 11 ZIPs
Maddock
274.3 sq mi
793 residents
Leeds
212.0 sq mi
606 residents
Warwick
204.6 sq mi
482 residents

Population decline

Benson County lost 15.0% of residents between 2014 and 2024. ZIPs that shed the largest share:

Fort Totten
-30.3%
1,688 → 1,177 residents
Saint Michael
-19.9%
1,383 → 1,108 residents

All ZIP Codes in Benson County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
58335Fort TottenPO Box1,17730.3-30.3%
58370Saint MichaelStandard1,108$43,75063.1-19.9%
58348MaddockStandard793$62,563274.38.3%
58346LeedsStandard606$85,469212.0-2.7%
58381WarwickStandard482$90,500204.649.7%
58357OberonStandard440$76,458128.614.0%
58351MinnewaukanStandard380$72,917165.9-23.1%
58379TokioPO Box247$42,3336.4-33.1%
58332EsmondStandard182$53,750201.6-37.9%
58343KnoxStandard6762.09.8%
58386YorkStandard64$85,000141.3-62.4%

Adjacent & Nearby Counties