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zipcodes.pro — STATE/ND/COUNTY/ADAMS

Adams County, ND ZIP codes

Adams County, ND has 2 ZIP codes, in 2 towns: 58639 and 58649. 2 more cross into it from neighbouring counties: 57638 and 58646.

The county seat is Hettinger.

ZIP codes
2
Partly in it
2 more
Towns
2
County seat
Hettinger
County FIPS
38001
Population
2,145
Median household income
$62,500
Land area
988 sq mi

Adams County ZIP codes by town

Hettinger (county seat)
58639

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.

ZIP codes partly in Adams County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Adams County.

Map of Adams County ZIP codes

5863958649

The ZIP codes of Adams 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.

Adams County in numbers

About 2,145 people live in Adams County, in 1,030 households, the 45th most populous of North Dakota's 53 counties. The median household income is $62,500 a year, 18% below the North Dakota median of $76,657 (US: $80,734). The median owner-occupied home is valued at $113,200 (55% below the North Dakota median), and median gross rent is $594 a month. The median age is 46.1; 24.4% of adults 25 and over hold a bachelor's degree or higher (32.7% across North Dakota); the average commute takes 15 minutes.

Population2,145Adams2,145
Households1,030Adams1,030
Median age46.1Adams46.1North Dakota35.9US 38.9
Median household income$62,500Adams$62,500North Dakota$76,657US $80,734
Median home value$113,200Adams$113,200North Dakota$249,900US $332,700
Median gross rent$594Adams$594North Dakota$954US $1,413
Bachelor's degree or higher24.4%Adams24.4%North Dakota32.7%US 35.7%
Mean commute15.2 minAdams15.2 minNorth Dakota17.9 minUS 26.4 min
Population density2 / sq miAdams2 / 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 Adams County

Largest towns in Adams County
TownZIP codesPopulation
Hettinger 1 1,250
Reeder 1 125

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 Adams County.

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

Every ZIP code in Adams County, with figures

ZIP codes in Adams County
ZIP City Type Population Median income Median home
58639 Hettinger , ND Standard 1,762 $63,636 $116,500
58649 Reeder , ND Standard 354 $68,839 $72,500

Cite this page

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

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