Postal Codes

55781 ZIP Code

Advertisement

English Español

ZIP code 55781 covers Side Lake, Minnesota, with a population of about 847 and a median household income of $95,536.

Population
84710 per square mile
Median age
62.423.7 points above the US average
Median household income
$95,5361.1× the Minnesota median
Poverty rate
3.2%9.2 points below the US average
Typical home value
$352,158up 41.3% in five years
Degree or higher
39.4%4.4 points above the US average
Homeownership
95.4%30.4 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
7

Where 55781 is

Side Lake, 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

Population847
Median age62.4
Family households77.5%
Born outside the US0.1%
Speaks a language other than English at home0.7%
White (non-Hispanic)94.8%
Black (non-Hispanic)0.1%
Asian (non-Hispanic)0.1%
Hispanic or Latino1.9%
Veterans13.6%
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$95,536
Income per person$45,579
Poverty rate3.2%
Households on SNAP or cash assistance3.2%

Household income distribution

Under $10k2.3%
$10–15k0.3%
$15–20k3.2%
$20–25k2.9%
$25–30k0.3%
$30–35k3.2%
$35–40k6.1%
$40–45k3.7%
$45–50k1.7%
$50–60k6.3%
$60–75k7.8%
$75–100k16.1%
$100–125k15.0%
$125–150k5.8%
$150–200k15.0%
$200k or more10.4%

Income as declared to the IRS

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

Tax returns filed410
Mean adjusted gross income$90,273
Returns declaring $200,000 or more7.3%
Returns, under $25k19.5%
Returns, $25k–$50k17.1%
Returns, $50k–$75k14.6%
Returns, $75k–$100k14.6%
Returns, $100k–$200k26.8%
Returns, $200k or more7.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$366,400
Owner-occupied95.4%
Vacant homes60%
Median year built1978

What the homes are

Detached house96.7%
Attached house0.2%
Mobile home3.1%
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$352,158as of 2026-07
Typical home value, 1 yearup 9.7%
Typical home value, 5 yearsup 41.3%
Typical home value, 10 yearsup 79.6%
Typical home value since 2000
200520152026$352,158$177,937

$177,937 in 2005 to $352,158 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.8%
Bachelor's degree or higher39.4%
High school diploma or higher98.8%
Works from home12%
Drives to work alone80.8%
Takes public transport1.2%
Commutes 45 minutes or more15.9%
Health

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

Obesity37.4% 4 pts above the national average of 33.4%
Diagnosed diabetes15.6% 3.6 pts above the national average of 12%
Currently smokes16.8% 3.6 pts above the national average of 13.2%
High blood pressure41.7% 7.6 pts above the national average of 34.1%
Fair or poor general health20.2% same as the national average of 20.3%
No health insurance (18–64)6.5% 4.8 pts below the national average of 11.3%
Depression23.1% 1.2 pts above the national average of 21.9%
No leisure-time physical activity26.5% 1.1 pts above the national average of 25.4%
Arthritis33.6% 8.5 pts above the national average of 25.1%
Binge drinking15.1% 0.9 pts below the national average of 16%
Taking blood pressure medication83.9% 9.2 pts above the national average of 74.7%
Cancer (non-skin)12.4% 4.7 pts above the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease9.9% 3.7 pts above the national average of 6.2%
Routine check-up in past year79.9% 3.2 pts above the national average of 76.7%
Cholesterol screening89.5% 3.6 pts above the national average of 85.9%
Cognitive disability12.3% 2.5 pts below the national average of 14.8%
Colorectal screening71.6% 7.3 pts above the national average of 64.3%
COPD8.9% 2.3 pts above the national average of 6.6%
Visited a dentist67.1% 5.8 pts above the national average of 61.3%
Any disability33.8% 3.1 pts above the national average of 30.7%
Lacks emotional support20.1% 4.7 pts below the national average of 24.8%
Food insecurity10.9% 6.2 pts below the national average of 17.1%
Received food stamps8.7% 5.6 pts below the national average of 14.3%
Hearing disability10.3% 3.6 pts above the national average of 6.7%
High cholesterol39.4% 3.2 pts above the national average of 36.2%
Housing insecurity7.5% 6.3 pts below the national average of 13.8%
Independent living disability7.9% 0.5 pts below the national average of 8.4%
Lacks transport6.6% 2.6 pts below the national average of 9.2%
Loneliness29.2% 5.2 pts below the national average of 34.4%
Mammography use78.8% 2.9 pts above the national average of 75.9%
Poor mental health (14+ days)14% 2.8 pts below the national average of 16.8%
Mobility disability17.3% 3.3 pts above the national average of 14%
Poor physical health (14+ days)14.9% 1.4 pts above the national average of 13.5%
Self-care disability4.3% same as the national average of 4%
Utility shut-off threat5.2% 3.6 pts below the national average of 8.8%
Sleeps under 7 hours30% 6.4 pts below the national average of 36.4%
Stroke4.7% 1.3 pts above the national average of 3.4%
All natural teeth lost10.7% 2.3 pts below the national average of 13%
Vision disability5% 0.6 pts below the national average of 5.6%
Advertisement
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments7
People employed33
Annual payroll$623,000
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 69.8% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 2 census tracts this ZIP code covers
Expected annual loss67.7 out of 100
Community resilience90.5 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.

Cold wave97.2Very High at its worst in this ZIP code
Landslide88.4Relatively Moderate at its worst in this ZIP code
Lightning76.6Relatively High at its worst in this ZIP code
Wildfire76.1Relatively Low at its worst in this ZIP code
River flooding75.1Relatively Moderate at its worst in this ZIP code
Winter weather74.4Very High at its worst in this ZIP code
Heat wave63.3Relatively Moderate at its worst in this ZIP code
Strong wind62.4Relatively Moderate at its worst in this ZIP code
Hail61.3Relatively Low at its worst in this ZIP code
Drought39.6Relatively Low at its worst in this ZIP code
Tornado31.3Relatively Low at its worst in this ZIP code
Ice storm4Very Low at its worst in this ZIP code
Earthquake0.6Very 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$95,536$87,556$78,538
Income per person$45,579$46,957$43,289
Poverty rate3.2%9.2%12.4%
Median home value$366,400$305,500$303,400
Median gross rent$1,235$1,348
Homeownership95.4%72.4%65%
Bachelor's degree or higher39.4%38.8%35%
Unemployment rate6.8%3.9%5.2%
Works from home12%15.8%13.5%
Born outside the US0.1%8.6%13.9%
Median age62.438.638.7
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 stationCELINA 2E, MN US22.2 km away

Average high and low by month

January16.8°F / -6.7°F
February22.3°F / -4.6°F
March35.7°F / 11.1°F
April50.1°F / 24.6°F
May64.3°F / 36.8°F
June72.2°F / 47°F
July76.8°F / 51.1°F
August75.4°F / 48.9°F
September66°F / 41.7°F
October51.2°F / 30.6°F
November34.6°F / 17.5°F
December21.8°F / 2.6°F
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 3 school districts, so the address decides which one, not the ZIP code.

Grand Rapids Public School District52% of this ZIP code's land area
Hibbing Public School District42.9% of this ZIP code's land area
Nashwauk-Keewatin School District4.3% 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 vulnerability40more vulnerable than 40% of US census tracts
Socioeconomic status35more vulnerable than 35% of US census tracts
Household characteristics50more vulnerable than 50% of US census tracts
Racial and ethnic minority status12more vulnerable than 12% of US census tracts
Housing type and transport55more vulnerable than 55% of US census tracts
Walkability3.4 out of 20Least walkable
Nearby ZIP codes

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

55719 Chisholm, MN22.9 km away
55747 Hibbing, MN27.8 km away
55713 Buhl, MN28.4 km away
55758 Kinney, MN28.5 km away
55746 Hibbing, MN29.1 km away
55753 Keewatin, MN30 km away
55769 Nashwauk, MN30.4 km away
55710 Britt, MN30.8 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.

Itasca County56.2% of this ZIP code's land area
St. Louis County43.8% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area81.43 sq mi
Water area5.28 sq mi
Population density10 people per sq mi
Latitude, longitude47.6671, -93.0424

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.

Advertisement