ZIP Codes of Red Lake County, MN

Population & People
Population & People
Total Population
4,070
Household Income
Household Income
Median Income
$82,438
Housing
Housing
Total Housing Units
1,950
Business & Economy
Business & Economy
Total Businesses
91
Employment
Employment
Employment Rate
65.04%
Education
Education
Bachelor's Degree+
18.46%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: November 1, 2026
ZIP Codes:4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:218
Timezone:Central (GMT -06:00)
Local Time:11:13:51 PM
Population:4,070 [See All]
FIPS:27125
Land Area:506 sq mi
Water Area:0 sq mi
Coordinates:47.8845, -96.0182
Quick Link:
https://www.zip-codes.com/county/mn-red-lake.asp
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Minnesota's #85 most populous county
4,070 residents across 4 ZIPs — #85 of 87 Minnesota counties.

Standout ZIPs in this County


Most Populous
Red Lake Falls · 2,324 people
57.1% of county total
Highest Income
Oklee · $92,500 median
1.1× county average
Largest Land Area
Red Lake Falls · 245.1 sq mi
Spans the most ground
Fastest Growth
Red Lake Falls · -6.1% (10-yr)
2,476 → 2,324 residents
Most Educated
Red Lake Falls · 19.0% bachelor's+
314 of 1,654 adults 25+

Things worth knowing about Red Lake County


4,070 residents live across 4 ZIPs covering 506 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 4,447 to 4,070 from 2014 to 2024 — a -8.5% change. 1 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 56742 (Oklee, $92,500 median) and poorest ZIP 56750 (Red Lake Falls, $71,875) are 23.1 miles apart — a 1.3× income gap across local geography.

Median home values vary 1.4× across this county — from $143,300 in 56742 (Oklee) to $202,200 in 56748 (Plummer).

Density varies 2× across the county — from 5 people/sq mi in 56715 (Brooks) to 9 in 56750 (Red Lake Falls).

Educational attainment ranges from 15.0% bachelor's+ in 56715 (Brooks) to 20.7% in 56742 (Oklee) — the breadth of educational profiles across the area.

Within Minnesota, this is the #85 most populous of 87 counties and ranks #23 for median household income .

Weighted by population, the typical household earns about $78,714 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.5% of adults age 25+ hold a bachelor's degree or higher (526 of 2,850 reporting).

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

Stories about Red Lake 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
506
square miles
Avg density
8.0
people per sq mi
Population
4,070
across 4 ZIPs
Red Lake Falls
245.1 sq mi
2,324 residents
Oklee
113.1 sq mi
744 residents
Plummer
85.8 sq mi
673 residents

Population decline

Red Lake County lost 8.5% of residents between 2014 and 2024. ZIPs that shed the largest share:

Oklee
-18.1%
908 → 744 residents
Plummer
-14.5%
787 → 673 residents

All ZIP Codes in Red Lake County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
56750Red Lake FallsStandard2,324$71,875245.1-6.1%
56742OkleeStandard744$92,500113.1-18.1%
56748PlummerStandard673$87,50085.8-14.5%
56715BrooksStandard329$77,87562.319.2%

Adjacent & Nearby Counties