Zip code 55609: Knife River, Minnesota

Q: What city is zip code 55609?

55609 is assigned to Knife River, Minnesota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 55609 in?

55609 is in Lake County, Minnesota.

Q: What is the population of 55609?

About 131 people live in 55609, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 55609?

The median household income in 55609 is $78,208.

Q: What zip codes are near 55609?

The closest zip codes to 55609 are 55804, 55803, 55812, 55805, 55801.

Residential delivery areaLake CountyCentral Time

Population

131

Small sample: rough estimates

Median household income

$78K

U.S. $81K

Median home value

—

U.S. $333K

Median rent

—

U.S. $1,413

Median age

87.7

U.S. 38.9

Land area

2.5 sq mi

53 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 55609

55609 is a small-town zip code in Knife River, Minnesota (Lake County), covering 2.5 sq mi of land. About 131 people live here, or 53 per square mile. The median resident is 87.7 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.

The median household earns $78,208 a year, close to the national median of $80,734. 10.7% of residents live below the poverty line (U.S.: 12.5%). 100% of occupied homes are lived in by their owners.

48% of adults hold a bachelor's degree or higher (U.S.: 36%).

How 55609 compares

Sorted from highest to lowest national percentile

Only about 131 people live here, so these survey estimates have wide margins of error.

Median age87.7
99th
U.S. 38.9 · MN 38.81st of 854 in MN
Homeownership rate100%
99th
StrengthU.S. 65.2% · MN 72.2%7th of 851 in MN
Unemployment rate100%
99th
WeaknessU.S. 5.2% · MN 4.1%1st of 853 in MN
Veterans25.2%
99th
U.S. 6.2% · MN 5.9%1st of 854 in MN
Housing vacancy40.9%
99th
U.S. 10.1% · MN 9.3%86th of 851 in MN
Residents 65 and older93.9%
99th
U.S. 17.2% · MN 17.3%1st of 854 in MN
Bachelor's degree or higher48.1%
77th
U.S. 35.7% · MN 39.4%91st of 854 in MN
Poverty rate10.7%
49th
U.S. 12.5% · MN 9.3%291st of 852 in MN
Median household income$78,208
48th
U.S. $80,734 · MN $89,062419th of 846 in MN
Per capita income$37,484
42nd
U.S. $44,673 · MN $48,237558th of 853 in MN
Broadband access90.7%
39th
U.S. 91% · MN 91.6%333rd of 851 in MN
Population density53/sq mi
8th
U.S. 95/sq mi · MN 72/sq mi314th of 854 in MN
Population131
1st
U.S. 334,922,499 · MN 5,739,445843rd of 854 in MN
Diversity index0
1st
U.S. 61.4 · MN 41.1852nd of 854 in MN
Uninsured rate0%
1st
StrengthU.S. 8.4% · MN 4.7%852nd of 853 in MN
Foreign-born residents0%
1st
U.S. 14.1% · MN 8.7%827th of 854 in MN
Residents under 180%
1st
U.S. 22% · MN 22.9%853rd of 854 in MN
Income inequality (Gini)0.269
1st
StrengthU.S. 0.483 · MN 0.453845th of 848 in MN

Measure	55609	Lake	MN	U.S.	National percentile	Rank in MN
Median age	87.7	49.4	38.8	38.9	99th	1st of 854
Homeownership rateStrength	100%	83.5%	72.2%	65.2%	99th	7th of 851
Unemployment rateWeakness	100%	2.6%	4.1%	5.2%	99th	1st of 853
Veterans	25.2%	7.8%	5.9%	6.2%	99th	1st of 854
Housing vacancy	40.9%	33.7%	9.3%	10.1%	99th	86th of 851
Residents 65 and older	93.9%	27.9%	17.3%	17.2%	99th	1st of 854
Bachelor's degree or higher	48.1%	26.8%	39.4%	35.7%	77th	91st of 854
Poverty rate	10.7%	8.6%	9.3%	12.5%	49th	291st of 852
Median household income	$78,208	$75,541	$89,062	$80,734	48th	419th of 846
Per capita income	$37,484	$41,362	$48,237	$44,673	42nd	558th of 853
Broadband access	90.7%	87.6%	91.6%	91%	39th	333rd of 851
Population density	53/sq mi	5/sq mi	72/sq mi	95/sq mi	8th	314th of 854
Population	131	10,879	5,739,445	334,922,499	1st	843rd of 854
Diversity index	0	10.9	41.1	61.4	1st	852nd of 854
Uninsured rateStrength	0%	4.9%	4.7%	8.4%	1st	852nd of 853
Foreign-born residents	0%	1.3%	8.7%	14.1%	1st	827th of 854
Residents under 18	0%	19.1%	22.9%	22%	1st	853rd of 854
Income inequality (Gini)Strength	0.269	0.402	0.453	0.483	1st	845th of 848

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

5–17

18–24

25–34

35–44

45–54

55–64

65–74

89%

75+

Median age

87.7

Under 18

65 and over

93.9%

Race and ethnicity

White100%
Black0%
Hispanic0%
Asian0%
Native American0%
Pacific Islander0%
Other0%
Multiracial0%

Diversity index

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

81.7%

Language spoken at home (households)

English only

100%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 75
Average household size: 1.8
Family households: 72%
Married couples: 60%
Living alone: 28%
Veterans (of adults): 25.2%
Male / female: 56% / 44%

Income and poverty

Household income distribution

<$25k

28%

$25–50k

$50–75k

11%

$75–100k

52%

$100–150k

$150–200k

$200k+

Median household income

55609

$78,208

Lake Co.

$75,541

Minnesota

$89,062

United States

$80,734

Per capita income

$37,484

U.S. $44,673

Poverty rate

10.7%

U.S. 12.5%

Households earning $150K+

U.S. 23%

Income inequality (Gini)

0.269

U.S. 0.483

Housing

Median home value

55609

—

Lake Co.

$241,300

Minnesota

$329,300

United States

$332,700

Median gross rent

55609

—

Lake Co.

$1,093

Minnesota

$1,280

United States

$1,413

Types of housing

Single-family

100%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 127
Owner-occupied: 100%
Vacant: 40.9%
Median year built: 1977
Median rooms: 6.3
Renters paying 30%+ of income: —
Renters paying 50%+ of income: —
Home value to income: —

Work and commute

How people get to work

No data reported.

Commute time (one way)

No data reported.

Average commute

—

U.S. 26.4 min

Unemployment

100%

U.S. 5.2%

In labor force

6.1%

U.S. 63.5%

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

40%

Some college

12%

Associate's

Bachelor's

23%

Graduate

25%

High school graduate or higher: 100%
Bachelor's degree or higher: 48.1%
Graduate or professional degree: 25.2%
Households with broadband: 90.7%
Cable, fiber or DSL: 90.7%
No internet access: 0%
Without health insurance: 0%
Limited-English households: 0%

Geography

City (USPS): Knife River
State: Minnesota
County: Lake County
Center point: 46.9665° N, 91.7888° W
Land area: 2.5 sq mi
Water area: under 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Knife River (unincorporated)25% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 55609

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
55804	Duluth, MN	7.4 mi	15,922	$111,228	$315,300
55803	Duluth, MN	14 mi	17,662	$105,888	$336,000
55812	Duluth, MN	17 mi	10,859	$65,505	$322,700
55805	Duluth, MN	18 mi	10,602	$43,100	$189,400
55801	Duluth, MN · PO box	20 mi	—	—	—
55815	Duluth, MN · PO box	20 mi	—	—	—
55816	Duluth, MN · PO box	20 mi	—	—	—
55802	Duluth, MN	20 mi	2,399	$51,544	$494,400
55616	Two Harbors, MN	20 mi	7,250	$76,127	$259,200
55806	Duluth, MN	21 mi	9,356	$42,833	$161,400
55814	Duluth, MN	21 mi	319	—	—
55811	Duluth, MN	22 mi	28,118	$79,804	$321,000

Questions about 55609

What city is zip code 55609?

55609 is assigned to Knife River, Minnesota. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 55609 in?

55609 is in Lake County, Minnesota.

What is the population of 55609?

About 131 people live in 55609, according to the Census Bureau's American Community Survey.

What time zone is 55609 in?

55609 is in Central Time.

What is the median household income in 55609?

The median household income in 55609 is $78,208.

What zip codes are near 55609?

The closest zip codes to 55609 are 55804, 55803, 55812, 55805, 55801.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 55609, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.