Koochiching County, MN ZIP Codes
Minnesota (MN) · 11 ZIP codes · 11 cities
11
ZIP codes
11,941
population (2021)
-10.3%
pop change since 2010
27071
FIPS code
Koochiching County ZIP code map
About Koochiching County
Koochiching County is located in Minnesota and contains 11 ZIP codes across 11 cities and communities.
The county's population was 11,941 as of 2021,
a decrease of
10.3% from 13,311 in 2010.
The timezone is Mountain Time (observes DST).
The Federal Information Processing System (FIPS) code for Koochiching County is 27071.
| Population | |
|---|---|
| 2021 population | 11,941 |
| 2010 population | 13,311 |
| Change | -10.3% |
| County details | |
|---|---|
| State | Minnesota |
| FIPS code | 27071 |
| Timezone | Mountain |
| Daylight saving | Yes |
Cities in Koochiching County
Big Falls
Birchdale
International Falls
Kabetogama
Littlefork
Loman
Margie
Mizpah
Northome
Ranier
South International Falls
ZIP codes for Koochiching County, MN (11)
| ZIP code | City | County | Map |
|---|---|---|---|
| 56627 | Big Falls | Koochiching | View map |
| 56629 | Birchdale | Koochiching | View map |
| 56649 | International Falls | Koochiching | View map |
| 56653 | Littlefork | Koochiching | View map |
| 56654 | Loman | Koochiching | View map |
| 56658 | Margie | Koochiching | View map |
| 56660 | Mizpah | Koochiching | View map |
| 56661 | Northome | Koochiching | View map |
| 56668 | Ranier | Koochiching | View map |
| 56669 | Kabetogama | Koochiching | View map |
| 56679 | South International Falls | Koochiching | View map |
Demographics & statistics
10,971
Population
48.8
Median age
$59,137
Median household income
$36,489
Per capita income
$112,917
Median home value
$309
Median monthly rent
85.4%
Home ownership
9.6%
Poverty rate
4.2%
Unemployment
5,627
Housing units
14.0%
Bachelor's or higher
Age distribution
Male
Female
204
Under 5
219
274
5–9
293
272
10–14
291
345
15–19
370
229
20–24
246
497
25–34
532
563
35–44
604
620
45–54
665
493
55–59
528
423
60–64
454
803
65–74
861
361
75–84
386
211
85+
227
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,969 | 15.2% |
| 18 and over | 9,002 | 84.8% |
| 65 and over | 2,849 | 33.9% |
| Median age | 48.8 years | |
Race & ethnicity
White
89.3%
Two or more races
4.8%
Hispanic or Latino
2.8%
American Indian / Alaska Native
1.2%
Black or African American
0.9%
Other race
0.6%
Asian
0.4%
| Group | Count | % |
|---|---|---|
| White | 10,081 | 89.3% |
| Two or more races | 547 | 4.8% |
| Hispanic or Latino | 313 | 2.8% |
| American Indian / Alaska Native | 137 | 1.2% |
| Black or African American | 96 | 0.9% |
| Other race | 65 | 0.6% |
| Asian | 45 | 0.4% |
Household income
Under $10k
3.6%
$10k–$15k
6.8%
$15k–$25k
10.2%
$25k–$35k
11.1%
$35k–$50k
18.3%
$50k–$75k
22.1%
$75k–$100k
11.2%
$100k–$150k
10.6%
$150k–$200k
4.1%
$200k+
2.2%
| Range | % of households |
|---|---|
| Under $10k | 3.6% |
| $10k–$15k | 6.8% |
| $15k–$25k | 10.2% |
| $25k–$35k | 11.1% |
| $35k–$50k | 18.3% |
| $50k–$75k | 22.1% |
| $75k–$100k | 11.2% |
| $100k–$150k | 10.6% |
| $150k–$200k | 4.1% |
| $200k+ | 2.2% |
| Median income | $59,137 |
Housing
Home values
Under $50k
19.7%
$50k–$100k
27.6%
$100k–$150k
21.0%
$150k–$200k
11.7%
$200k–$300k
10.1%
$300k–$500k
6.9%
$500k–$1M
2.9%
$1M+
0.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $112,917 |
| Median rent / month | $309 |
| Owner occupied | 85.4% |
| Renter occupied | 14.6% |
| Vacant | 44.6% |
| Single-family detached | 86.8% |
| Large apartment buildings | 2.3% |
| Mobile homes | 7.6% |
| Median rooms | 4.5 |
| Avg household size (owned) | 2.20 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 5.5% |
| 2000–2009 | 9.4% |
| 1990–1999 | 12.1% |
| 1980–1989 | 14.7% |
| 1970–1979 | 17.5% |
| 1960–1969 | 16.7% |
| 1950–1959 | 8.5% |
| 1940–1949 | 6.5% |
| 1939 or earlier | 9.2% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 7.5% |
| 1 bedroom | 18.9% |
| 2 bedrooms | 31.8% |
| 3 bedrooms | 29.6% |
| 4 bedrooms | 10.5% |
| 5+ bedrooms | 1.9% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.9% |
| 1 vehicle | 26.6% |
| 2 vehicles | 40.4% |
| 3 or more | 28.1% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 12.2% |
| Electricity | 23.8% |
| Propane / LP gas | 41.2% |
| Fuel oil | 3.9% |
| Wood | 17.4% |
| No fuel used | 0.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 2,069 | 51.6% |
| Cohabiting couple | 507 | 3.0% |
| Male householder, no spouse | 1,368 | 23.7% |
| Female householder, no spouse | 1,235 | 21.8% |
| Households with children under 18 | 1,151 | 15.7% |
| Households with seniors (65+) | 1,997 | 49.1% |
| Average household size | 2.16 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 13.4% | 15.5% |
| Married | 65.1% | 58.9% |
| Separated | 2.2% | 2.0% |
| Widowed | 6.5% | 8.2% |
| Divorced | 12.8% | 15.4% |
Education
Less than 9th grade
2.4%
Some HS, no diploma
5.9%
HS graduate
36.0%
Some college, no degree
31.3%
Associate's degree
10.4%
Bachelor's degree
12.0%
Graduate / professional
2.0%
| Metric | % |
|---|---|
| HS diploma or higher | 91.8% |
| Bachelor's or higher | 14.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 215 | 5.6% |
| Kindergarten | 46 | 2.0% |
| Elementary school | 970 | 47.5% |
| High school | 530 | 27.1% |
| College / grad school | 480 | 17.8% |
Employment
Industry of employment
Education & healthcare
22.8%
Retail trade
15.3%
Manufacturing
10.4%
Agriculture & mining
9.9%
Construction
8.2%
Arts, food & hospitality
7.0%
Other services
6.9%
Transportation & utilities
5.8%
Finance & real estate
5.3%
Public administration
2.6%
Wholesale trade
2.5%
Professional & management
2.0%
Information
1.2%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 26.0% |
| Service | 22.2% |
| Sales & office | 19.1% |
| Natural resources & construction | 19.4% |
| Production & transportation | 13.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 73.4% |
| Government | 14.6% |
| Self-employed | 12.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 78.9% |
| Carpool | 7.7% |
| Public transit | 0.1% |
| Walk | 3.0% |
| Other means | 1.5% |
| Avg commute (minutes) | 20.6 |
Poverty
All people
9.6%
Under 18 years
8.9%
18 and over
9.5%
Married-couple families
5.2%
Female-led households
10.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 61.1% |
| Retirement income | 38.8% |
| Supplemental Security | 10.0% |
| Cash public assistance | 4.1% |
| Food stamps / SNAP | 8.1% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 37.8% |
| High cholesterol | 35.9% |
| Heart disease | 9.1% |
| Stroke | 4.1% |
| Asthma | 9.2% |
| Arthritis | 30.4% |
| Kidney disease | 3.7% |
| Pulmonary disease | 7.9% |
| Cancer | 8.6% |
| Behavior / access | % |
|---|---|
| Binge drinking | 16.7% |
| No physical activity | 25.2% |
| Less than 7 hrs sleep | 29.2% |
| Fair or poor health | 15.2% |
| Poor mental health | 12.9% |
| Poor physical health | 11.9% |
| No health insurance | 10.9% |
| Visited doctor (checkup) | 71.4% |
| Visited dentist | 63.6% |
| Cholesterol screening | 91.5% |
| Teeth loss | 13.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 807 | 12.6% |
| Disability | % |
|---|---|
| Any disability | 19.1% |
| Under 18 | 1.2% |
| 18–64 years | 18.9% |
| 65 and over | 27.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 60.6% |
| Public insurance | 57.9% |
| Uninsured under 19 | 3.3% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 10,548 | 97.1% |
| Spanish | 36 | 0.7% |
| Other Indo-European | 26 | 0.1% |
| Asian & Pacific Islander | 8 | 0.6% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 10,575 | 92.2% |
| Born in same state | 10,288 | 91.3% |
| Born in different state | 8,311 | 73.3% |
| Foreign born | 287 | 0.9% |
| Naturalized citizen | 396 | 7.8% |
| Not a US citizen | 242 | 42.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 2,180 | 19.9% |
| Italian | 1,223 | 11.1% |
| French | 754 | 6.9% |
| Arab | 400 | 3.6% |
| English | 153 | 1.4% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 113 | 1% |
| German | 110 | 1% |
| Irish | 4 | 0% |
| Norwegian | 2 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 47.4% |
| Internet access | 88.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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