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ZIP Code 56557 - Mahnomen Minnesota

Overview

ZIP Code 56557 is located in Mahnomen Minnesota. Portions of 56557 are also in Beaulieu and Riverland and Midway and South End and The Ranch and Roy Lake and Beaulieu Township and Pembina Township and Chief Township and Clover Township (Mahnomen County) and La Garde Township and Marsh Creek Township and Rosedale Township and Heier Township and La Prairie Township and Fossum Township. 56557 is primarily within Mahnomen County, with some portions in Clearwater County and Norman County. Regionally, 56557 is located in the Fargo Area.

ZIP Code 56557 Quick Stats

ZIP Code NameMahnomen
Primary CountyMahnomen County
ZIP Code TypeStandard
Population (2022)2,863
Area Code(s)218
Current Time
CDT

ZIP Code 56557 Map

Map of ZIP Code 56557 in Mahnomen, MN — click to open interactive map

56557 Demographics

56557 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Minnesota based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 56557 is White. The majority race/ethnicity attending public schools in 56557 is Native American. The current unemployment level in 56557 is 4.9%.

Population2,863
Population Growth Rate1.25%
Population Density10 People per Square Mile
Total Households1,132
Percentage High Income Households1.2%
Median Household Income (2021)$44,821
Average Adjusted Gross Income (2021)$667,600
Current Unemployment Rate (May 2026)4.9%
Sales Tax Rate (2025)7.4%
Majority Race/EthnicityWhite - 52.61%
Public School Majority Race/EthnicityNative American - 62.67%

56557 Race/Ethnicity Breakdown

Race/EthnicityTotalPercentage
White1,32252.5%
Black80.32%
Hispanic1516%
Asian100.4%
Native American1,02240.59%
Hawaiian/Pac. Islander50.2%

56557 Public School Race/Ethnicity Breakdown

Race/EthnicityTotalPercentage
White9517.79%
Black20.37%
Hispanic244.49%
Asian00%
Native American41377.34%
Hawaiian/Pac. Islander00%

56557 Educational Attainment Levels

Highest Education LevelTotalPercentage
Less Than 1 Year of College1207.64%
Bachelor Degree20212.87%
High School Diploma55935.61%
No High School Diploma161.02%
GED or Alternate1046.62%
1 or More Years of College34121.72%
Associates Degree17611.21%
Masters Degree301.91%
Professional Degree221.4%
Doctorate Degree00%

56557 Weather and Climate Data

Plant Hardiness ZoneZone 3b: -35F to -30F
Average First Frost DateSeptember 11 - 20
Average Last Frost DateMay 11 - 20
Koppen-Geiger Climate ZoneDfb - Humid Continental Mild Summer, Wet All Year
Ecoregion48d - Lake Agassiz Plains
56557 Annual Climate Data
JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)-80142943525654433116027
Avg Max Temp (°F)14223452677579796854341950
Avg Precip (In.).88.641.081.442.564.153.353.182.452.191.05.6623.63

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