56437 ZIP Code — Bertha, MN

Todd County, Minnesota

ZIP code 56437 is located in Bertha, Minnesota, within Todd County. It covers approximately 66.18 square miles and serves a population of 1,351 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 218.

About ZIP code 56437

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $97,400. Owner-occupancy is high at 80%, well above the national average.

Median household income is $55,417. 39% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks. 21% of residents lack health insurance, above the national average.

Overall, ZIP code 56437 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

1,351
population
66.18
sq mi land
Standard
ZIP type
Central (CT)
timezone
56437 ZIP code map
Cities in ZIP code 56437

Below are the cities the US Postal Service accepts for ZIP code 56437. Using any city not on this list may result in mail delivery delays.

City Status
Bertha Preferred
Nearby ZIP codes
56453 Hewitt (5.9 mi) 56440 Clarissa (6.9 mi) 56446 Eagle Bend (9.2 mi) 56434 Aldrich (10.9 mi) 56438 Browerville (15 mi) 56479 Staples (15.3 mi) 56481 Verndale (16.1 mi) 56527 Deer Creek (16.5 mi) 56361 Parkers Prairie (16.8 mi) 56354 Miltona (17.4 mi) 56482 Wadena (17.6 mi) 56518 Bluffton (19.2 mi)
Demographics updated 06/2026
Population
Total population 1,351
Population density 20 / sq mi
State FIPS 27
County FIPS 153
Geography
Land area 66.18 sq mi
Water area 0.01 sq mi
Latitude 46.2382
Longitude -95.0311
Timezone Central (CT)
Area code 218
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 48.3% 46.3% 33.6%
$50k – $100k 38.9% 35.3% 31.5%
$100k – $200k 11.6% 16.5% 26.5%
Over $200k 1.2% 1.9% 8.5%

Demographics & statistics

1,351
Population
20
People per sq mi
35.3
Median age
$55,417
Median household income
$23,753
Per capita income
$97,400
Median home value
$725
Median monthly rent
80.3%
Home ownership
10.7%
Poverty rate
5.9%
Unemployment
446
Housing units
17.3%
Bachelor's or higher

Age distribution

Male Female
60
Under 5
55
57
5–9
51
61
10–14
55
51
15–19
46
55
20–24
50
68
25–34
62
81
35–44
74
93
45–54
84
37
55–59
33
37
60–64
33
52
65–74
48
47
75–84
43
9
85+
9
← Male
Female →

Age summary

GroupCount%
Under 1840129.7%
18 and over95070.3%
65 and over20815.4%
Median age35.3 years

Race & ethnicity

White 93.7%
Two or more races 3.9%
Hispanic or Latino 1.9%
Black or African American 0.5%
GroupCount%
White1,29093.7%
Two or more races543.9%
Hispanic or Latino261.9%
Black or African American70.5%

Household income

Income range This ZIP County avg State avg
Under $50k 48.3% 46.3% 33.6%
$50k – $100k 38.9% 35.3% 31.5%
$100k – $200k 11.6% 16.5% 26.5%
Over $200k 1.2% 1.9% 8.5%
Under $10k 6.1%
$10k–$15k 7.6%
$15k–$25k 5.9%
$25k–$35k 9.7%
$35k–$50k 9.3%
$50k–$75k 25.8%
$75k–$100k 18.9%
$100k–$150k 12.5%
$150k–$200k 2.5%
$200k+ 1.5%
Range% of households
Under $10k6.1%
$10k–$15k7.6%
$15k–$25k5.9%
$25k–$35k9.7%
$35k–$50k9.3%
$50k–$75k25.8%
$75k–$100k18.9%
$100k–$150k12.5%
$150k–$200k2.5%
$200k+1.5%
Median income$55,417

Housing

Home values

Under $50k 14.0%
$50k–$100k 38.5%
$100k–$150k 14.0%
$150k–$200k 9.0%
$200k–$300k 17.4%
$300k–$500k 5.3%
$500k–$1M 0.8%
$1M+ 1.1%

Housing overview

MetricValue
Median home value$97,400
Median rent / month$725
Owner occupied80.3%
Renter occupied19.7%
Vacant12.4%
Single-family detached84.0%
Large apartment buildings0.2%
Mobile homes5.4%
Median rooms6.0
Avg household size (owned)3.14

Year built

Era%
2020 or later0.0%
2010–20196.5%
2000–200912.1%
1990–19996.7%
1980–19898.7%
1970–197910.2%
1960–19695.8%
1950–195910.2%
1940–19498.3%
1939 or earlier31.5%

Bedrooms

Size% of units
No bedroom (studio)4.5%
1 bedroom8.3%
2 bedrooms20.2%
3 bedrooms38.0%
4 bedrooms18.0%
5+ bedrooms10.9%

Vehicles per household

Vehicles% of households
No vehicle14.6%
1 vehicle22.9%
2 vehicles39.0%
3 or more23.5%

Heating fuel

Fuel type%
Utility gas36.0%
Electricity12.9%
Propane / LP gas18.4%
Fuel oil12.3%
Wood17.6%
No fuel used0.4%

Households & families

Household typeCount%
Married-couple family23449.6%
Cohabiting couple143.0%
Male householder, no spouse9319.7%
Female householder, no spouse13127.8%
Households with children under 1815432.6%
Households with seniors (65+)15833.5%
Average household size2.86

Marital status

StatusMaleFemale
Never married40.3%21.0%
Married46.2%50.8%
Separated0.0%0.0%
Widowed2.9%15.8%
Divorced10.6%12.3%

Education

Less than 9th grade 13.8%
Some HS, no diploma 5.2%
HS graduate 30.0%
Some college, no degree 22.2%
Associate's degree 11.5%
Bachelor's degree 15.6%
Graduate / professional 1.7%
Metric%
HS diploma or higher81.0%
Bachelor's or higher17.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool164.6%
Kindergarten102.9%
Elementary school18252.8%
High school8324.1%
College / grad school5415.7%

Employment

Industry of employment

Education & healthcare 27.2%
Manufacturing 22.0%
Agriculture & mining 10.0%
Retail trade 8.6%
Construction 6.7%
Professional & management 5.9%
Transportation & utilities 4.6%
Wholesale trade 3.8%
Other services 3.4%
Arts, food & hospitality 2.9%
Public administration 2.3%
Finance & real estate 1.5%
Information 1.0%

Occupation

Category%
Management, business & arts31.8%
Service19.3%
Sales & office14.4%
Natural resources & construction10.5%
Production & transportation23.9%

Employment type

Type%
Private sector75.3%
Government14.0%
Self-employed10.2%
Unpaid family workers0.6%

Commute

Method%
Drive alone71.7%
Carpool8.3%
Public transit0.4%
Walk4.3%
Work from home13.8%
Other means1.6%
Avg commute (minutes)26.7

Poverty

All people 10.7%
Under 18 years 13.1%
18 and over 9.7%
Married-couple families 5.6%
Female-led households 6.9%

Income support

Source% of households
Social Security39.0%
Retirement income18.6%
Supplemental Security10.4%
Cash public assistance8.9%
Food stamps / SNAP10.8%

Health indicators

Condition%
Obesity36.9%
High blood pressure31.8%
High cholesterol33.3%
Diabetes10.5%
Heart disease7.5%
Stroke3.6%
Asthma9.7%
Arthritis26.8%
Kidney disease3.2%
Pulmonary disease7.1%
Cancer7.3%
Behavior / access%
Smoking21.0%
Binge drinking19.2%
No physical activity23.8%
Less than 7 hrs sleep28.8%
Depression23.5%
Fair or poor health14.8%
Poor mental health14.7%
Poor physical health11.2%
No health insurance12.5%
Visited doctor (checkup)69.7%
Visited dentist58.1%
Cholesterol screening88.3%
Teeth loss15.4%

Veterans & disability

VeteransCount%
Civilian veterans424.4%
Disability%
Any disability15.7%
Under 183.2%
18–64 years16.0%
65 and over38.5%

Health insurance coverage

Type%
Private insurance54.6%
Public insurance38.3%
No insurance21.2%
Uninsured under 1929.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,23691.5%
Spanish574.6%
Other Indo-European20.2%
Asian & Pacific Islander554.4%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,35099.9%
Born in same state1,33799.0%
Born in different state1,04577.4%
Foreign born131.0%
Naturalized citizen10.1%
Not a US citizen00.0%

Ancestry

AncestryCount%
Polish1229%
French836.1%
Italian816%
Arab423.1%
AncestryCount%
English171.3%
Dutch80.6%
Irish10.1%

Technology access

Metric% of households
Computer access34.9%
Internet access77.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 56437

What city is ZIP code 56437 in?

ZIP code 56437 is primarily assigned to Bertha, Minnesota.

What county is ZIP code 56437 in?

ZIP code 56437 falls within Todd County, Minnesota.

Is ZIP code 56437 mostly owner-occupied?

80% of occupied units in ZIP code 56437 are owner-occupied, well above the national average.

Does ZIP code 56437 have a large retiree population?

39% of households in ZIP code 56437 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 56437?

The median home value in ZIP code 56437 is $97,400.

What is the population of ZIP code 56437?

ZIP code 56437 has an estimated population of 1,351 residents, with a density of 20 people per square mile.

What timezone is ZIP code 56437 in?

ZIP code 56437 observes the CST timezone.

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