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: June 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:2:12:39 PM
Population:4,070 [See All]
FIPS:27125
Land Area:500 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 93 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 · 241.1 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 500 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 across the county — from 5 people/sq mi in 56715 (Brooks) to 10 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 93 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


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$71,875241.1-6.1%
56742OkleeStandard744$92,500110.6-18.1%
56748PlummerStandard673$87,50085.8-14.5%
56715BrooksStandard329$77,87562.319.2%

Adjacent & Nearby Counties