ZIP Codes of Lyon County, MN

Population & People
Population & People
Total Population
26,865
Household Income
Household Income
Median Income
$80,627
Housing
Housing
Total Housing Units
12,166
Business & Economy
Business & Economy
Total Businesses
830
Employment
Employment
Employment Rate
64.68%
Education
Education
Bachelor's Degree+
30.62%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 10 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:10 ZIP Codes (10 Standard, 0 PO Box, 0 Unique) [See All]
Area Codes:320 / 507 / 924
Timezone:Central (GMT -06:00)
Local Time:2:12:37 PM
Population:26,865 [See All]
FIPS:27083
CBSA:Marshall, MN
Land Area:934 sq mi
Water Area:15 sq mi
Coordinates:44.4152, -95.8651
Quick Link:
https://www.zip-codes.com/county/mn-lyon.asp
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Minnesota's #39 most populous county
26,865 residents across 10 ZIPs — #39 of 93 Minnesota counties.

Standout ZIPs in this County


Most Populous
Marshall · 15,888 people
59.1% of county total
Highest Income
Cottonwood · $104,375 median
1.3× county average
Largest Land Area
Marshall · 187.9 sq mi
Spans the most ground
Fastest Growth
Minneota · 4.7% (10-yr)
2,174 → 2,277 residents
Most Educated
Marshall · 36.4% bachelor's+
3,702 of 10,167 adults 25+

Things worth knowing about Lyon County


26,865 residents live across 10 ZIPs covering 934 sq mi, served by 10 distinct USPS-recognized cities.

Population moved from 26,969 to 26,865 from 2014 to 2024 — a -0.4% change. 4 ZIPs gained residents, 6 lost.

The county's wealthiest ZIP 56229 (Cottonwood, $104,375 median) and poorest ZIP 56291 (Taunton, $63,438) are 15.7 miles apart — a 1.6× income gap across local geography.

Median home values vary 2.1× across this county — from $136,500 in 56169 (Russell) to $289,600 in 56132 (Garvin).

Density varies 13× across the county — from 6 people/sq mi in 56132 (Garvin) to 85 in 56258 (Marshall).

Educational attainment ranges from 16.5% bachelor's+ in 56132 (Garvin) to 36.4% in 56258 (Marshall) — the breadth of educational profiles across the area.

Within Minnesota, this is the #39 most populous of 93 counties and ranks #32 for median household income .

Weighted by population, the typical household earns about $76,386 across the county — reflecting what a typical resident sees, not a simple ZIP average.

30.6% of adults age 25+ hold a bachelor's degree or higher (5,368 of 17,532 reporting).

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

Stories about Lyon 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
934
square miles
Avg density
28.8
people per sq mi
Population
26,865
across 10 ZIPs
Marshall
187.9 sq mi
15,888 residents
Tracy
135.6 sq mi
2,972 residents
Minneota
126.3 sq mi
2,277 residents

All ZIP Codes in Lyon County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
56258MarshallStandard15,888$72,731187.92.4%
56175TracyStandard2,972$73,750135.6-2.1%
56264MinneotaStandard2,277$81,071126.34.7%
56229CottonwoodStandard1,672$104,375106.5-5.8%
56115BalatonStandard1,123$64,000122.0-7.6%
56169RussellStandard780$82,08355.14.3%
56157LyndStandard707$91,25039.5-22.1%
56239GhentStandard587$99,82128.09.9%
56132GarvinStandard462$73,75071.8-7.0%
56291TauntonStandard397$63,43861.7-29.1%

Adjacent & Nearby Counties