ZIP Codes of Big Stone County, MN

Population & People
Population & People
Total Population
5,199
Household Income
Household Income
Median Income
$82,362
Housing
Housing
Total Housing Units
3,136
Business & Economy
Business & Economy
Total Businesses
180
Employment
Employment
Employment Rate
55.95%
Education
Education
Bachelor's Degree+
25.48%
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 (6 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:320
Timezone:Central (GMT -06:00)
Local Time:2:12:35 PM
Population:5,199 [See All]
FIPS:27011
Land Area:655 sq mi
Water Area:37 sq mi
Coordinates:45.4290, -96.4195
Quick Link:
https://www.zip-codes.com/county/mn-big-stone.asp
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Minnesota's #81 most populous county
5,199 residents across 7 ZIPs — #81 of 93 Minnesota counties.

Standout ZIPs in this County


Most Populous
Ortonville · 2,698 people
51.9% of county total
Highest Income
Correll · $97,604 median
1.2× county average
Largest Land Area
Ortonville · 142.1 sq mi
Spans the most ground
Fastest Growth
Ortonville · -3.1% (10-yr)
2,784 → 2,698 residents
Most Educated
Ortonville · 27.8% bachelor's+
555 of 2,000 adults 25+

Things worth knowing about Big Stone County


5,199 residents live across 7 ZIPs covering 655 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 5,430 to 5,199 from 2014 to 2024 — a -4.3% change. 4 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 56227 (Correll, $97,604 median) and poorest ZIP 56278 (Ortonville, $63,203) are 7.4 miles apart — a 1.5× income gap across local geography.

Median home values vary 1.7× across this county — from $118,100 in 56211 (Beardsley) to $206,300 in 56227 (Correll).

Density varies across the county — from 3 people/sq mi in 56227 (Correll) to 19 in 56278 (Ortonville).

Educational attainment ranges from 16.0% bachelor's+ in 56240 (Graceville) to 28.7% in 56225 (Clinton) — the breadth of educational profiles across the area.

Within Minnesota, this is the #81 most populous of 93 counties and ranks #25 for median household income .

Weighted by population, the typical household earns about $73,861 across the county — reflecting what a typical resident sees, not a simple ZIP average.

25.5% of adults age 25+ hold a bachelor's degree or higher (961 of 3,772 reporting).

6 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Big Stone 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
655
square miles
Avg density
7.9
people per sq mi
Population
5,199
across 7 ZIPs
Ortonville
142.1 sq mi
2,698 residents
Graceville
141.6 sq mi
796 residents
Clinton
122.6 sq mi
734 residents

All ZIP Codes in Big Stone County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
56278OrtonvilleStandard2,698$63,203142.1-3.1%
56240GracevilleStandard796$76,500141.6-17.4%
56225ClintonStandard734$95,978122.64.1%
56211BeardsleyStandard484$83,250119.78.5%
56276OdessaStandard256$76,25063.3-25.6%
56227CorrellStandard215$97,60465.522.2%
56210BarryPO Box16$83,7500.245.5%

Adjacent & Nearby Counties