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County ZIP codes · North Dakota · FIPS 38037

Grant County, ND ZIP Codes

Grant County, North Dakota has 13 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 5 of the residential ones lie mainly in Grant County and 8 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $58,533 in 57638 (Lemmon) to $78,214 in 58563 (New Salem) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Grant County?

57638 · Lemmon: $59k57641 · McIntosh: $84k57645 · Morristown: $57k58520 · Almont: $96k58529 · Carson: $66k58533 · Elgin: $36k58535 · Flasher: $66k58562 · New Leipzig: $63k58563 · New Salem: $78k58564 · Raleigh: $81k58569 · Shields: –58631 · Glen Ullin: $58k58638 · Hebron: $64k5763858563576415852958631586385853357645585625853558520585695856457638 · Lemmon: $59k57641 · McIntosh: $84k57645 · Morristown: $57k58520 · Almont: $96k58529 · Carson: $66k58533 · Elgin: $36k58535 · Flasher: $66k58562 · New Leipzig: $63k58563 · New Salem: $78k58564 · Raleigh: $81k58569 · Shields: –58631 · Glen Ullin: $58k58638 · Hebron: $64k576385856357641585295863158638585335764558535585205856957638 · Lemmon: $59k57641 · McIntosh: $84k57645 · Morristown: $57k58520 · Almont: $96k58529 · Carson: $66k58533 · Elgin: $36k58535 · Flasher: $66k58562 · New Leipzig: $63k58563 · New Salem: $78k58564 · Raleigh: $81k58569 · Shields: –58631 · Glen Ullin: $58k58638 · Hebron: $64k57638585635764158529586315764558562585355852058569
The residential ZIP codes of Grant County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

They carry 13 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 13 residential ZIP codes in Grant County

5 ZIP codes lie mainly in Grant County; 8 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Grant County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
58533 Elgin 830 2 $36k $93k 100%
58529 Carson 721 2 $66k $88k 100%
58562 New Leipzig 400 1 $63k $100k 63%
58564 Raleigh 102 1 $81k – 100%
58569 Shields 89 1 – – 100%

Partly in Grant County

Residential ZIP codes mainly in another county that reach at least 1% into Grant County, by their share here
In this county
58535 Flasher 500 1 $66k $122k 37%
58520 Almont 272 1 $96k $89k 31%
58631 Glen Ullin 953 3 $58k $133k 30%
57645 Morristown 184 1 $57k $52k 27%
57641 McIntosh 215 0 $84k $78k 10%
58638 Hebron 874 3 $64k $109k 7%
57638 Lemmon 1,852 2 $59k $101k 5%
58563 New Salem 1,961 3 $78k $220k 2%

Download the 13 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

9 ZIP codes of Grant County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Grant County and in the neighboring counties
ZIPIn GrantElsewhere
585632%Morton County68%; Oliver County30%
576385%Perkins County60%; Adams County25%; Sioux County5%; Corson County5%
5863130%Morton County62%; Mercer County9%
586387%Morton County43%; Mercer County30%; Stark County16%; Dunn County4%
5853537%Morton County63%
5856263%Hettinger County29%; Adams County8%
5852031%Morton County69%
5764110%Corson County62%; Sioux County28%
5764527%Corson County52%; Sioux County21%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Grant County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Grant County's ZIP codes use 3 prefixes: 576, 585 and 586.

Three-digit prefixes of Grant County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Grant County's
PrefixSectional centerHereAll codes
576Bismarck, ND (SCF 585)332
585Bismarck, ND (SCF 585)848
586Bismarck, ND (SCF 585)232

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.