ZIP Codes of Grant County, MN

Population & People
Population & People
Total Population
6,438
Household Income
Household Income
Median Income
$81,028
Housing
Housing
Total Housing Units
3,349
Business & Economy
Business & Economy
Total Businesses
219
Employment
Employment
Employment Rate
59.41%
Education
Education
Bachelor's Degree+
21.01%
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 Codes:218 / 320
Timezone:Central (GMT -06:00)
Local Time:2:12:36 PM
Population:6,438 [See All]
FIPS:27051
Land Area:658 sq mi
Water Area:30 sq mi
Coordinates:45.9256, -96.0096
Quick Link:
https://www.zip-codes.com/county/mn-grant.asp
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Striking education divide
Bachelor's share spans 14.4% to 49.5% — a 35-point gap.

Standout ZIPs in this County


Most Populous
Elbow Lake · 2,063 people
32.0% of county total
Highest Income
Norcross · $118,889 median
1.5× county average
Largest Land Area
Elbow Lake · 167.5 sq mi
Spans the most ground
Fastest Growth
Ashby · 7.3% (10-yr)
1,208 → 1,296 residents
Most Educated
Elbow Lake · 22.0% bachelor's+
317 of 1,443 adults 25+

Things worth knowing about Grant County


6,438 residents live across 7 ZIPs covering 658 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 6,315 to 6,438 from 2014 to 2024 — a +1.9% change. 4 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 56274 (Norcross, $118,889 median) and poorest ZIP 56339 (Hoffman, $60,893) are 20.7 miles apart — a 2.0× income gap across local geography.

Median home values vary 2.2× across this county — from $133,300 in 56590 (Wendell) to $289,900 in 56309 (Ashby).

Density varies 10× across the county — from 2 people/sq mi in 56274 (Norcross) to 20 in 56309 (Ashby).

Educational attainment ranges from 14.4% bachelor's+ in 56311 (Barrett) to 49.5% in 56274 (Norcross) — the breadth of educational profiles across the area.

Within Minnesota, this is the #76 most populous of 93 counties and ranks #31 for median household income .

Weighted by population, the typical household earns about $76,191 across the county — reflecting what a typical resident sees, not a simple ZIP average.

21.0% of adults age 25+ hold a bachelor's degree or higher (962 of 4,578 reporting).

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

Stories about Grant 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
658
square miles
Avg density
9.8
people per sq mi
Population
6,438
across 7 ZIPs
Elbow Lake
167.5 sq mi
2,063 residents
Herman
125.8 sq mi
761 residents
Norcross
86.6 sq mi
170 residents

All ZIP Codes in Grant County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
56531Elbow LakeStandard2,063$74,583167.54.9%
56309AshbyStandard1,296$84,75065.07.3%
56339HoffmanStandard1,115$60,89364.4-3.1%
56248HermanStandard761$83,000125.8-5.0%
56311BarrettStandard666$74,58372.4-6.5%
56590WendellStandard367$70,50076.87.6%
56274NorcrossStandard170$118,88986.625.0%

Adjacent & Nearby Counties