ZIP Codes of Rolette County, ND

Population & People
Population & People
Total Population
11,987
Household Income
Household Income
Median Income
$68,211
Housing
Housing
Total Housing Units
4,644
Business & Economy
Business & Economy
Total Businesses
213
Employment
Employment
Employment Rate
49.94%
Education
Education
Bachelor's Degree+
18.10%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:7 ZIP Codes (7 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:701
Timezone:Central (GMT -06:00)
Local Time:2:13:03 PM
Population:11,987 [See All]
FIPS:38079
Land Area:930 sq mi
Water Area:39 sq mi
Coordinates:48.7714, -99.7408
Quick Link:
https://www.zip-codes.com/county/nd-rolette.asp
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Notable population decline
Lost 16.1% of residents since 2014.
Wide geographic spread
ZIPs range from 274.5 sq mi down to 4.26 — a 64× sprawl ratio.

Standout ZIPs in this County


Most Populous
Belcourt · 5,865 people
48.9% of county total
Highest Income
Rolette · $91,071 median
1.3× county average
Largest Land Area
Rolette · 274.5 sq mi
Spans the most ground
Fastest Growth
Rolla · -7.5% (10-yr)
1,570 → 1,453 residents
Most Educated
Belcourt · 17.2% bachelor's+
540 of 3,136 adults 25+

Things worth knowing about Rolette County


11,987 residents live across 7 ZIPs covering 930 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 14,287 to 11,970 from 2014 to 2024 — a -16.2% change. 1 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 58366 (Rolette, $91,071 median) and poorest ZIP 58329 (Dunseith, $51,065) are 16.5 miles apart — a 1.8× income gap across local geography.

Median home values vary 1.8× across this county — from $88,800 in 58329 (Dunseith) to $155,400 in 58366 (Rolette).

Density varies 62× across the county — from 1 people/sq mi in 58353 (Mylo) to 58 in 58316 (Belcourt).

Educational attainment ranges from 13.6% bachelor's+ in 58329 (Dunseith) to 34.9% in 58366 (Rolette) — the breadth of educational profiles across the area.

Within North Dakota, this is the #11 most populous of 64 counties and ranks #48 for median household income .

Weighted by population, the typical household earns about $64,464 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.1% of adults age 25+ hold a bachelor's degree or higher (1,285 of 7,098 reporting).

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

Stories about Rolette 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
930
square miles
Avg density
12.9
people per sq mi
Population
11,987
across 7 ZIPs
Rolette
274.5 sq mi
738 residents
Dunseith
217.9 sq mi
2,769 residents
Rolla
163.5 sq mi
1,453 residents

Population decline

Rolette County lost 16.1% of residents between 2014 and 2024. ZIPs that shed the largest share:

Rolette
-45.1%
1,345 → 738 residents
Saint John
-26.1%
1,447 → 1,069 residents
Belcourt
-13.2%
6,754 → 5,865 residents
Dunseith
-11.2%
3,119 → 2,769 residents

All ZIP Codes in Rolette County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
58316BelcourtStandard5,865$66,932101.8-13.2%
58329DunseithStandard2,769$51,065217.9-11.2%
58367RollaStandard1,453$63,750163.5-7.5%
58369Saint JohnStandard1,069$68,23586.8-26.1%
58366RoletteStandard738$91,071274.5-45.1%
58353MyloStandard7681.746.2%
58310AgateStandard174.3

Adjacent & Nearby Counties