ZIP Codes of Marshall County, MN

Population & People
Population & People
Total Population
9,015
Household Income
Household Income
Median Income
$72,969
Housing
Housing
Total Housing Units
4,587
Business & Economy
Business & Economy
Total Businesses
249
Employment
Employment
Employment Rate
60.09%
Education
Education
Bachelor's Degree+
18.74%
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 (11 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:218
Timezone:Central (GMT -06:00)
Local Time:2:12:37 PM
Population:9,015 [See All]
FIPS:27089
Land Area:2,505 sq mi
Water Area:36 sq mi
Coordinates:48.3381, -96.4501
Quick Link:
https://www.zip-codes.com/county/mn-marshall.asp
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Minnesota's #72 most populous county
9,015 residents across 11 ZIPs — #72 of 93 Minnesota counties.

Standout ZIPs in this County


Most Populous
Warren · 2,433 people
27.0% of county total
Highest Income
Grygla · $87,250 median
1.2× county average
Largest Land Area
Grygla · 847.2 sq mi
Spans the most ground
Fastest Growth
Warren · -3.9% (10-yr)
2,532 → 2,433 residents
Most Educated
Warren · 18.9% bachelor's+
316 of 1,674 adults 25+

Things worth knowing about Marshall County


9,015 residents live across 11 ZIPs covering 2,505 sq mi, served by 11 distinct USPS-recognized cities.

Population moved from 9,471 to 9,015 from 2014 to 2024 — a -4.8% change. 3 ZIPs gained residents, 8 lost.

The county's wealthiest ZIP 56727 (Grygla, $87,250 median) and poorest ZIP 56724 (Gatzke, $48,750) are 18.8 miles apart — a 1.8× income gap across local geography.

Median home values vary 2.0× across this county — from $104,200 in 56724 (Gatzke) to $205,100 in 56760 (Viking).

Density varies 14× across the county — from 1 people/sq mi in 56724 (Gatzke) to 13 in 56710 (Alvarado).

Educational attainment ranges from 10.9% bachelor's+ in 56744 (Oslo) to 23.9% in 56757 (Stephen) — the breadth of educational profiles across the area.

Within Minnesota, this is the #72 most populous of 93 counties and ranks #59 for median household income .

Weighted by population, the typical household earns about $73,315 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.7% of adults age 25+ hold a bachelor's degree or higher (1,196 of 6,383 reporting).

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

Stories about Marshall 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
2,505
square miles
Avg density
3.6
people per sq mi
Population
9,015
across 11 ZIPs
Grygla
847.2 sq mi
858 residents
Warren
364.6 sq mi
2,433 residents
Middle River
259.5 sq mi
811 residents

All ZIP Codes in Marshall County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
56762WarrenStandard2,433$62,933364.6-3.9%
56738NewfoldenStandard1,228$71,250180.0-13.8%
56757StephenStandard861$80,938241.6-12.0%
56727GryglaStandard858$87,250847.216.3%
56737Middle RiverStandard811$72,679259.5-2.4%
56713ArgyleStandard777$87,188175.5-13.0%
56744OsloStandard571$81,75073.218.2%
56760VikingStandard496$85,25088.930.2%
56710AlvaradoStandard483$68,00038.4-22.5%
56758StrandquistStandard385$56,667110.8-11.9%
56724GatzkeStandard112$48,750125.6-25.3%

Adjacent & Nearby Counties