Knife River, MN · standard
ZIP Code 55609
Lake County, Minnesota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 303
- 33/sq mi
- $78,208
- Median income
- 48.1%
- Bachelor's or higher
National ZIP placement
Knife River pairs an above-median household income, in a rural, homeowner-dominated area.
- Top 41%
- household income, US ZIPs
- 33
- people per sq mi
- 100%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 55609 against every reporting US ZIP.
ZIP code 55609 is a sparsely populated ZIP (a standard USPS delivery area) in Knife River, Lake County, Minnesota, home to just 303 residents across 9.2 square miles, a density of 33 people per square mile, in the Chicago time zone.
ZIP 55609 lands in the middle-income range, with a median household income of $78,208 (5% below the average Minnesota ZIP), while per-capita income is $37,484. Unemployment is 100.0%, an important qualifier alongside the household-income figure. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
A solid share of residents have a four-year degree: 48.1% of adults hold a bachelor's degree or higher, the median age is 87.7, and the average commute is -. No nearby ZIP peer set is available for this delivery area, so the Minnesota and national benchmarks above are the appropriate context for 55609.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 55609, Knife River, MN · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
303
Population
9.2
Area (sq mi)
33
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 55609?
87.7
Median Age
55.7%
Male
44.3%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$78,208
Median Household Income
-5% vs state ZIP avg
$37,484
Per Capita Income
10.7%
Poverty Rate
100.0%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
127housing units
127
Total Housing Units
75
Occupied Units
52
Vacant Units
1.75
Avg Household Size
Occupancy Type
1977
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 10 business establishments in ZIP 55609, employing approximately 102 people with a combined annual payroll of $3,932,000.
10
Businesses
102
Employees
$3.9M
Annual Payroll
0
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 55609, both outside MN so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.