Postal Codes

56437 ZIP Code

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ZIP code 56437 covers Bertha, Minnesota, with a population of about 1,409 and a median household income of $59,313.

Population
1,40921 per square mile
Median age
35.92.8 points below the US average
Median household income
$59,31332% below the Minnesota median
Poverty rate
9%3.4 points below the US average
Typical home value
$232,558up 32.1% in five years
Median rent
$80835% below the Minnesota median
Degree or higher
15.7%19.3 points below the US average
Homeownership
83.5%18.5 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
24

Where 56437 is

Bertha, 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

Population1,409
Median age35.9
Family households67.8%
Born outside the US0%
Speaks a language other than English at home20%
White (non-Hispanic)94.9%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)0%
Hispanic or Latino0.6%
Veterans4.1%
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$59,313
Income per person$26,017
Poverty rate9%
Households on SNAP or cash assistance15.9%

Household income distribution

Under $10k6.0%
$10–15k3.6%
$15–20k5.0%
$20–25k5.0%
$25–30k2.0%
$30–35k4.6%
$35–40k3.4%
$40–45k4.2%
$45–50k1.0%
$50–60k16.1%
$60–75k10.9%
$75–100k21.1%
$100–125k6.0%
$125–150k4.6%
$150–200k2.8%
$200k or more3.4%

Income as declared to the IRS

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

Tax returns filed500
Mean adjusted gross income$49,934
Returns declaring $200,000 or more0%
Returns, under $25k36.0%
Returns, $25k–$50k26.0%
Returns, $50k–$75k14.0%
Returns, $75k–$100k10.0%
Returns, $100k–$200k14.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$110,000
Median gross rent$808
Rent as a share of household income27%
Owner-occupied83.5%
Vacant homes11.4%
Median year built1969

What the homes are

Detached house83.8%
Attached house0.9%
2 to 4 units2.7%
5 to 19 units5.5%
20 or more units0.2%
Mobile home7%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$232,558as of 2026-07
Typical home value, 1 yearup 8.1%
Typical home value, 5 yearsup 32.1%
Typical home value, 10 yearsup 91%
Typical home value since 2000
200420152026$232,558$97,330

$101,938 in 2004 to $232,558 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.9%
Bachelor's degree or higher15.7%
High school diploma or higher78.2%
Works from home18.3%
Drives to work alone67.7%
Takes public transport0.2%
Commutes 45 minutes or more21.6%
Health

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

Obesity39% 5.6 pts above the national average of 33.4%
Diagnosed diabetes11.7% same as the national average of 12%
Currently smokes19.4% 6.2 pts above the national average of 13.2%
High blood pressure34.4% same as the national average of 34.1%
Fair or poor general health21% 0.7 pts above the national average of 20.3%
No health insurance (18–64)9.6% 1.7 pts below the national average of 11.3%
Depression26.2% 4.3 pts above the national average of 21.9%
No leisure-time physical activity27.8% 2.4 pts above the national average of 25.4%
Arthritis26.1% 1 pts above the national average of 25.1%
Binge drinking18% 2 pts above the national average of 16%
Taking blood pressure medication76.3% 1.6 pts above the national average of 74.7%
Cancer (non-skin)8.9% 1.2 pts above the national average of 7.7%
Current asthma10.6% same as the national average of 10.4%
Coronary heart disease7.6% 1.4 pts above the national average of 6.2%
Routine check-up in past year72.8% 3.9 pts below the national average of 76.7%
Cholesterol screening81.9% 4 pts below the national average of 85.9%
Cognitive disability16.3% 1.5 pts above the national average of 14.8%
Colorectal screening63.3% 1 pts below the national average of 64.3%
COPD7.9% 1.3 pts above the national average of 6.6%
Visited a dentist61.7% same as the national average of 61.3%
Any disability33.9% 3.2 pts above the national average of 30.7%
Lacks emotional support22.7% 2.1 pts below the national average of 24.8%
Food insecurity15.1% 2 pts below the national average of 17.1%
Received food stamps12% 2.3 pts below the national average of 14.3%
Hearing disability8.8% 2.1 pts above the national average of 6.7%
High cholesterol34.8% 1.4 pts below the national average of 36.2%
Housing insecurity11% 2.8 pts below the national average of 13.8%
Independent living disability9.5% 1.1 pts above the national average of 8.4%
Lacks transport8.8% same as the national average of 9.2%
Loneliness33.1% 1.3 pts below the national average of 34.4%
Mammography use76.5% 0.6 pts above the national average of 75.9%
Poor mental health (14+ days)17.5% 0.7 pts above the national average of 16.8%
Mobility disability15.1% 1.1 pts above the national average of 14%
Poor physical health (14+ days)14.3% 0.8 pts above the national average of 13.5%
Self-care disability4.3% same as the national average of 4%
Utility shut-off threat7% 1.8 pts below the national average of 8.8%
Sleeps under 7 hours30% 6.4 pts below the national average of 36.4%
Stroke4% 0.6 pts above the national average of 3.4%
All natural teeth lost15.9% 2.9 pts above the national average of 13%
Vision disability5.3% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments24
People employed146
Annual payroll$4,994,000
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 45.8% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 3 census tracts this ZIP code covers
Expected annual loss33.8 out of 100
Community resilience80.4 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.

Drought93.4Relatively Moderate at its worst in this ZIP code
Strong wind89.4Relatively High at its worst in this ZIP code
Wildfire87Relatively Moderate at its worst in this ZIP code
Hail84.7Relatively Moderate at its worst in this ZIP code
Lightning81.1Relatively High at its worst in this ZIP code
Landslide80Relatively Low at its worst in this ZIP code
Cold wave73.1Relatively High at its worst in this ZIP code
Winter weather67.8Very High at its worst in this ZIP code
River flooding62.5Relatively Moderate at its worst in this ZIP code
Tornado59.8Relatively High at its worst in this ZIP code
Ice storm46.9Relatively Low at its worst in this ZIP code
Heat wave34.1Relatively Low at its worst in this ZIP code
Earthquake5.1Very 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$59,313$87,556$78,538
Income per person$26,017$46,957$43,289
Poverty rate9%9.2%12.4%
Median home value$110,000$305,500$303,400
Median gross rent$808$1,235$1,348
Homeownership83.5%72.4%65%
Bachelor's degree or higher15.7%38.8%35%
Unemployment rate3.9%3.9%5.2%
Works from home18.3%15.8%13.5%
Born outside the US0%8.6%13.9%
Median age35.938.638.7
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 stationWADENA 3 S, MN US18.1 km away
Rain in a year29 in
Snow in a year51 in

Average high and low by month

January17.8°F / -1.5°F0.87 in rain, 12.2 in snow
February23°F / 1.8°F0.77 in rain, 7.9 in snow
March35.5°F / 15.4°F1.35 in rain, 8.9 in snow
April51.8°F / 29.2°F2.58 in rain, 4.5 in snow
May65.4°F / 42.3°F3.53 in rain
June73.9°F / 53.5°F4.43 in rain
July78°F / 57.6°F4.27 in rain
August76.5°F / 54.8°F3.64 in rain
September68.6°F / 46.5°F2.86 in rain
October53.9°F / 33.7°F2.84 in rain, 1.1 in snow
November37.1°F / 20.3°F1.28 in rain, 7.5 in snow
December23.5°F / 7.4°F0.9 in rain, 8.7 in snow
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 supermarket100% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket4% of this ZIP code's area
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 2 school districts, so the address decides which one, not the ZIP code.

Bertha-Hewitt Public School District95.4% of this ZIP code's land area
Staples-Motley School District4.6% 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 vulnerability64more vulnerable than 64% of US census tracts
Socioeconomic status60more vulnerable than 60% of US census tracts
Household characteristics67more vulnerable than 67% of US census tracts
Racial and ethnic minority status12more vulnerable than 12% of US census tracts
Housing type and transport74more vulnerable than 74% of US census tracts
Walkability3.8 out of 20Least walkable
Nearby ZIP codes

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

56453 Hewitt, MN8.3 km away
56440 Clarissa, MN14.1 km away
56446 Eagle Bend, MN15.7 km away
56434 Aldrich, MN16.2 km away
56482 Wadena, MN22.1 km away
56438 Browerville, MN23.7 km away
56479 Staples, MN23.8 km away
56361 Parkers Prairie, MN25.1 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.

Todd County88.5% of this ZIP code's land area
Otter Tail County11.5% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area66.18 sq mi
Population density21 people per sq mi
Latitude, longitude46.2515, -95.0357

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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