Postal Codes

56630 ZIP Code

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ZIP code 56630 covers Blackduck, Minnesota, with a population of about 2,081 and a median household income of $51,875.

Population
2,0817 per square mile
Median age
47.28.5 points above the US average
Median household income
$51,87541% below the Minnesota median
Poverty rate
20%7.6 points above the US average
Typical home value
$198,460up 29.3% in five years
Median rent
$78536% below the Minnesota median
Degree or higher
20.6%14.4 points below the US average
Homeownership
77.3%12.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
65

Where 56630 is

Blackduck, 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

Population2,081
Median age47.2
Family households61.4%
Born outside the US1.3%
Speaks a language other than English at home4.9%
White (non-Hispanic)82.3%
Black (non-Hispanic)0.1%
Asian (non-Hispanic)0%
Hispanic or Latino5.8%
Veterans9.3%
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$51,875
Income per person$30,494
Poverty rate20%
Households on SNAP or cash assistance20.5%

Household income distribution

Under $10k2.1%
$10–15k6.9%
$15–20k7.1%
$20–25k6.5%
$25–30k6.4%
$30–35k4.3%
$35–40k6.6%
$40–45k4.8%
$45–50k3.9%
$50–60k7.4%
$60–75k8.2%
$75–100k15.0%
$100–125k8.2%
$125–150k5.1%
$150–200k3.8%
$200k or more3.8%

Income as declared to the IRS

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

Tax returns filed1,100
Mean adjusted gross income$56,221
Returns declaring $200,000 or more1.8%
Returns, under $25k30.9%
Returns, $25k–$50k30.9%
Returns, $50k–$75k15.5%
Returns, $75k–$100k10.9%
Returns, $100k–$200k10.0%
Returns, $200k or more1.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$192,800
Median gross rent$785
Rent as a share of household income30.5%
Owner-occupied77.3%
Vacant homes26.9%
Median year built1980

What the homes are

Detached house72.9%
Attached house0.7%
2 to 4 units1.3%
5 to 19 units5.2%
20 or more units9.3%
Mobile home10.6%
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$198,460as of 2026-07
Typical home value, 1 yearup 1.5%
Typical home value, 5 yearsup 29.3%
Typical home value, 10 yearsup 62.5%
Typical home value since 2000
200920172026$198,460$112,599

$127,893 in 2009 to $198,460 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.5%
Bachelor's degree or higher20.6%
High school diploma or higher89.6%
Works from home8%
Drives to work alone67.3%
Takes public transport0%
Commutes 45 minutes or more17.4%
Health

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

Obesity38.3% 4.9 pts above the national average of 33.4%
Diagnosed diabetes12.8% 0.8 pts above the national average of 12%
Currently smokes17.6% 4.4 pts above the national average of 13.2%
High blood pressure36.8% 2.7 pts above the national average of 34.1%
Fair or poor general health20.3% same as the national average of 20.3%
No health insurance (18–64)7.9% 3.4 pts below the national average of 11.3%
Depression25.9% 4 pts above the national average of 21.9%
No leisure-time physical activity28% 2.6 pts above the national average of 25.4%
Arthritis30.9% 5.8 pts above the national average of 25.1%
Binge drinking15.8% same as the national average of 16%
Taking blood pressure medication79.8% 5.1 pts above the national average of 74.7%
Cancer (non-skin)10.4% 2.7 pts above the national average of 7.7%
Current asthma11% 0.6 pts above the national average of 10.4%
Coronary heart disease8.4% 2.2 pts above the national average of 6.2%
Routine check-up in past year75.9% 0.8 pts below the national average of 76.7%
Cholesterol screening85.1% 0.8 pts below the national average of 85.9%
Cognitive disability14.9% same as the national average of 14.8%
Colorectal screening70.1% 5.8 pts above the national average of 64.3%
COPD8.2% 1.6 pts above the national average of 6.6%
Visited a dentist61.4% same as the national average of 61.3%
Any disability34.6% 3.9 pts above the national average of 30.7%
Lacks emotional support21.3% 3.5 pts below the national average of 24.8%
Food insecurity14% 3.1 pts below the national average of 17.1%
Received food stamps11% 3.3 pts below the national average of 14.3%
Hearing disability9.7% 3 pts above the national average of 6.7%
High cholesterol36.2% same as the national average of 36.2%
Housing insecurity9.9% 3.9 pts below the national average of 13.8%
Independent living disability9.3% 0.9 pts above the national average of 8.4%
Lacks transport8.3% 0.9 pts below the national average of 9.2%
Loneliness29% 5.4 pts below the national average of 34.4%
Mammography use75.9% same as the national average of 75.9%
Poor mental health (14+ days)16.3% 0.5 pts below the national average of 16.8%
Mobility disability16.1% 2.1 pts above the national average of 14%
Poor physical health (14+ days)14.2% 0.7 pts above the national average of 13.5%
Self-care disability4.4% same as the national average of 4%
Utility shut-off threat6.7% 2.1 pts below the national average of 8.8%
Sleeps under 7 hours30.8% 5.6 pts below the national average of 36.4%
Stroke4.4% 1 pts above the national average of 3.4%
All natural teeth lost13.8% 0.8 pts above the national average of 13%
Vision disability5.6% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments65
People employed602
Annual payroll$22,204,000
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 64.3% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 7 census tracts this ZIP code covers
Expected annual loss62.5 out of 100
Community resilience83.8 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.

Drought91.7Relatively Moderate at its worst in this ZIP code
Landslide91.7Relatively Moderate at its worst in this ZIP code
Cold wave87.8Very High at its worst in this ZIP code
Wildfire87.8Relatively Moderate at its worst in this ZIP code
River flooding82Relatively High at its worst in this ZIP code
Winter weather81.6Relatively High at its worst in this ZIP code
Hail73.9Relatively Moderate at its worst in this ZIP code
Strong wind69Relatively High at its worst in this ZIP code
Lightning55.3Relatively High at its worst in this ZIP code
Tornado35.9Relatively Moderate at its worst in this ZIP code
Heat wave29.9Relatively Moderate at its worst in this ZIP code
Ice storm7.8Very Low at its worst in this ZIP code
Earthquake2Very 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$51,875$87,556$78,538
Income per person$30,494$46,957$43,289
Poverty rate20%9.2%12.4%
Median home value$192,800$305,500$303,400
Median gross rent$785$1,235$1,348
Homeownership77.3%72.4%65%
Bachelor's degree or higher20.6%38.8%35%
Unemployment rate4.5%3.9%5.2%
Works from home8%15.8%13.5%
Born outside the US1.3%8.6%13.9%
Median age47.238.638.7
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 stationBLACKDUCK, MN US7.6 km away

Average high and low by month

January18°F / -8.7°F
February23.7°F / -4.5°F
March36.9°F / 9.5°F
April51.7°F / 24.6°F
May64.7°F / 38.1°F
June73.7°F / 48.9°F
July78.3°F / 53.5°F
August76.8°F / 50.9°F
September67.6°F / 42.1°F
October52.9°F / 30.5°F
November36.4°F / 15.9°F
December23.3°F / 0.7°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 supermarket85% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket6% 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 4 school districts, so the address decides which one, not the ZIP code.

Blackduck Public School District64% of this ZIP code's land area
Grand Rapids Public School District25.3% of this ZIP code's land area
Kelliher Public School District7.8% of this ZIP code's land area
Red Lake Public School District2.9% 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 vulnerability46more vulnerable than 46% of US census tracts
Socioeconomic status49more vulnerable than 49% of US census tracts
Household characteristics36more vulnerable than 36% of US census tracts
Racial and ethnic minority status25more vulnerable than 25% of US census tracts
Housing type and transport58more vulnerable than 58% of US census tracts
Walkability4.2 out of 20Least walkable
Nearby ZIP codes

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

56647 Hines, MN11.4 km away
56683 Tenstrike, MN16.1 km away
56650 Kelliher, MN21.3 km away
56661 Northome, MN24.8 km away
56681 Squaw Lake, MN28.4 km away
56601 Bemidji, MN29.4 km away
56663 Pennington, MN30.4 km away
56659 Max, MN34.9 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.

Beltrami County70.8% of this ZIP code's land area
Itasca County29.2% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area313.63 sq mi
Water area7.78 sq mi
Population density7 people per sq mi
Latitude, longitude47.7381, -94.4961

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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