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zipcodes.pro — STATE/ND/COUNTY/MORTON

Morton County, ND ZIP codes

There are 8 ZIP codes in Morton County, ND, in 8 towns, from 58520 to 58638. The largest are 58554 (Mandan), 58563 (New Salem) and 58631 (Glen Ullin).

The county seat is Mandan.

ZIP codes
8
Towns
8
County seat
Mandan
County FIPS
38059
Population
33,777
Median household income
$79,382
Land area
1,926 sq mi
Metro area
Bismarck

Morton County ZIP codes by town

Mandan (county seat)
58554

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Morton County ZIP codes

The ZIP codes of Morton County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Morton County in numbers

About 33,777 people live in Morton County, in 13,946 households, the 6th most populous of North Dakota's 53 counties. The median household income is $79,382 a year, 4% above the North Dakota median of $76,657 (US: $80,734). The median owner-occupied home is valued at $263,900 (6% above the North Dakota median), and median gross rent is $1,076 a month. The median age is 37.6; 28.8% of adults 25 and over hold a bachelor's degree or higher (32.7% across North Dakota); the average commute takes 20 minutes.

Population33,777Morton33,777
Households13,946Morton13,946
Median age37.6Morton37.6North Dakota35.9US 38.9
Median household income$79,382Morton$79,382North Dakota$76,657US $80,734
Median home value$263,900Morton$263,900North Dakota$249,900US $332,700
Median gross rent$1,076Morton$1,076North Dakota$954US $1,413
Bachelor's degree or higher28.8%Morton28.8%North Dakota32.7%US 35.7%
Mean commute19.8 minMorton19.8 minNorth Dakota17.9 minUS 26.4 min
Population density18 / sq miMorton18 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Morton County

Largest towns in Morton County
TownZIP codesPopulation
Mandan 1 24,522
New Salem 1 780
Glen Ullin 1 701
Hebron 1 677
Saint Anthony 1 272
Flasher 1 222
Almont 1 183
Solen 1 105

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Morton County.

Not sure you are in Morton County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Morton County, with figures

ZIP codes in Morton County
ZIP City Type Population Median income Median home
58520 Almont , ND Standard 272 $96,188 $88,900
58535 Flasher , ND Standard 500 $66,375 $121,700
58554 Mandan , ND Standard 29,479 $80,120 $277,900
58563 New Salem , ND Standard 1,961 $78,214 $219,700
58566 Saint Anthony , ND Standard 272 $52,097 $310,000
58570 Solen , ND Standard 437 $110,938 $120,100
58631 Glen Ullin , ND Standard 953 $58,036 $133,100
58638 Hebron , ND Standard 874 $63,854 $108,700

Cite this page

zipcodes.pro. “Morton County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/nd/county/morton

Underlying data is public domain or openly licensed — sources, vintages and licences.