Postal Codes

56737 ZIP Code

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ZIP code 56737 covers Middle River, Minnesota, with a population of about 759 and a median household income of $70,536.

Population
7593 per square mile
Median age
49.510.8 points above the US average
Median household income
$70,53619% below the Minnesota median
Poverty rate
8.1%4.3 points below the US average
Median home value
$125,00059% below the Minnesota median
Median rent
$40068% below the Minnesota median
Degree or higher
12.5%22.5 points below the US average
Homeownership
86.4%21.4 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
19

Where 56737 is

Middle River, Minnesota — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population759
Median age49.5
Family households55.9%
Born outside the US0.4%
Speaks a language other than English at home1.5%
White (non-Hispanic)96.8%
Black (non-Hispanic)0.3%
Asian (non-Hispanic)0.1%
Hispanic or Latino1.4%
Veterans7.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$70,536
Income per person$39,553
Poverty rate8.1%
Households on SNAP or cash assistance6.4%

Household income distribution

Under $10k6.1%
$10–15k1.4%
$15–20k4.3%
$20–25k2.9%
$25–30k2.9%
$30–35k1.4%
$35–40k2.6%
$40–45k4.6%
$45–50k4.9%
$50–60k12.2%
$60–75k10.1%
$75–100k19.4%
$100–125k13.6%
$125–150k5.8%
$150–200k2.9%
$200k or more4.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed370
Mean adjusted gross income$61,716
Returns declaring $200,000 or more0%
Returns, under $25k27.0%
Returns, $25k–$50k24.3%
Returns, $50k–$75k18.9%
Returns, $75k–$100k10.8%
Returns, $100k–$200k18.9%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$125,000
Median gross rent$400
Rent as a share of household income19%
Owner-occupied86.4%
Vacant homes18.8%
Median year built1972

What the homes are

Detached house76.2%
Attached house0.2%
2 to 4 units2.4%
5 to 19 units2.4%
20 or more units2.4%
Mobile home16.5%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.1%
Bachelor's degree or higher12.5%
High school diploma or higher93.4%
Works from home12.3%
Drives to work alone73.1%
Takes public transport0%
Commutes 45 minutes or more30%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity38.7% 5.3 pts above the national average of 33.4%
Diagnosed diabetes12.4% same as the national average of 12%
Currently smokes15.4% 2.2 pts above the national average of 13.2%
High blood pressure37.4% 3.3 pts above the national average of 34.1%
Fair or poor general health18.6% 1.7 pts below the national average of 20.3%
No health insurance (18–64)7.2% 4.1 pts below the national average of 11.3%
Depression23.2% 1.3 pts above the national average of 21.9%
No leisure-time physical activity25.7% same as the national average of 25.4%
Arthritis29.4% 4.3 pts above the national average of 25.1%
Binge drinking17.6% 1.6 pts above the national average of 16%
Taking blood pressure medication80.8% 6.1 pts above the national average of 74.7%
Cancer (non-skin)11% 3.3 pts above the national average of 7.7%
Current asthma10.1% same as the national average of 10.4%
Coronary heart disease8% 1.8 pts above the national average of 6.2%
Routine check-up in past year77% same as the national average of 76.7%
Cholesterol screening87.1% 1.2 pts above the national average of 85.9%
Cognitive disability13.2% 1.6 pts below the national average of 14.8%
Colorectal screening68.6% 4.3 pts above the national average of 64.3%
COPD7.3% 0.7 pts above the national average of 6.6%
Visited a dentist64.3% 3 pts above the national average of 61.3%
Any disability32.2% 1.5 pts above the national average of 30.7%
Lacks emotional support21% 3.8 pts below the national average of 24.8%
Food insecurity10.5% 6.6 pts below the national average of 17.1%
Received food stamps7.5% 6.8 pts below the national average of 14.3%
Hearing disability9.2% 2.5 pts above the national average of 6.7%
High cholesterol38.1% 1.9 pts above the national average of 36.2%
Housing insecurity8% 5.8 pts below the national average of 13.8%
Independent living disability7.9% 0.5 pts below the national average of 8.4%
Lacks transport6.4% 2.8 pts below the national average of 9.2%
Loneliness28.9% 5.5 pts below the national average of 34.4%
Mammography use75.3% 0.6 pts below the national average of 75.9%
Poor mental health (14+ days)14.7% 2.1 pts below the national average of 16.8%
Mobility disability14.9% 0.9 pts above the national average of 14%
Poor physical health (14+ days)13.4% same as the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Utility shut-off threat5.1% 3.7 pts below the national average of 8.8%
Sleeps under 7 hours30.6% 5.8 pts below the national average of 36.4%
Stroke4% 0.6 pts above the national average of 3.4%
All natural teeth lost9.4% 3.6 pts below the national average of 13%
Vision disability4.5% 1.1 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments19
People employed92
Annual payroll$5,016,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 86.4% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 2 census tracts this ZIP code covers
Expected annual loss88.7 out of 100
Community resilience89.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought99.4Relatively High at its worst in this ZIP code
Wildfire98Relatively High at its worst in this ZIP code
Winter weather96.3Very High at its worst in this ZIP code
Cold wave95Relatively High at its worst in this ZIP code
Hail89Relatively High at its worst in this ZIP code
Ice storm82.2Relatively Moderate at its worst in this ZIP code
Landslide79.8Relatively Low at its worst in this ZIP code
Strong wind74.8Relatively Moderate at its worst in this ZIP code
River flooding71.4Relatively Moderate at its worst in this ZIP code
Tornado42.8Relatively Low at its worst in this ZIP code
Lightning41.1Relatively Low at its worst in this ZIP code
Heat wave6.6Very Low at its worst in this ZIP code
Earthquake2.3Very Low at its worst in this ZIP code
Compared with Minnesota and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMinnesotaUnited States
Median household income$70,536$87,556$78,538
Income per person$39,553$46,957$43,289
Poverty rate8.1%9.2%12.4%
Median home value$125,000$305,500$303,400
Median gross rent$400$1,235$1,348
Homeownership86.4%72.4%65%
Bachelor's degree or higher12.5%38.8%35%
Unemployment rate2.1%3.9%5.2%
Works from home12.3%15.8%13.5%
Born outside the US0.4%8.6%13.9%
Median age49.538.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationAGASSIZ REFUGE, MN US18.9 km away
Rain in a year24 in

Average high and low by month

January15.8°F / -3.2°F0.6 in rain
February22.3°F / 0.3°F0.53 in rain
March36.1°F / 15.3°F0.75 in rain
April52.8°F / 30.5°F1.38 in rain
May67.1°F / 44.4°F3.15 in rain
June76.6°F / 55.2°F3.92 in rain
July80.6°F / 58.7°F4.04 in rain
August80.1°F / 56.6°F3.25 in rain
September70.2°F / 48.2°F2.7 in rain
October54.2°F / 34.4°F2.16 in rain
November35.8°F / 19.4°F1.07 in rain
December21.2°F / 4.7°F0.85 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 4 school districts, so the address decides which one, not the ZIP code.

Greenbush-Middle River School District69% of this ZIP code's land area
Marshall County Central Schools13.6% of this ZIP code's land area
Goodridge Public School District10.7% of this ZIP code's land area
Grygla Public School District6.8% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability25more vulnerable than 25% of US census tracts
Socioeconomic status29more vulnerable than 29% of US census tracts
Household characteristics30more vulnerable than 30% of US census tracts
Racial and ethnic minority status4more vulnerable than 4% of US census tracts
Housing type and transport42more vulnerable than 42% of US census tracts
Walkability4.7 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

56759 Strathcona, MN11.8 km away
56738 Newfolden, MN19.6 km away
56724 Gatzke, MN24.8 km away
56758 Strandquist, MN25.8 km away
56726 Greenbush, MN28.5 km away
56760 Viking, MN34.8 km away
56732 Karlstad, MN35.6 km away
56701 Thief River Falls, MN36.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Marshall County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area238.03 sq mi
Water area32.93 sq mi
Population density3 people per sq mi
Latitude, longitude48.4426, -96.1232

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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