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Keystone Township, MN

Township in Polk County, MN, US
Last updated
Key Indicators
A quick look at key numbers

Population

61
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

42.3
years ∙ half population younger than 42.3, half older

Diversity Index

Low High
20.7%
chance two random people differ in race and ethnicity

Nativity

0%
foreign-born population
100%Native
0% Foreign-born

Geographic Context

Location, size, and surroundings

About

Keystone Township is a township in Polk County, Minnesota, United States.
Location
Township in Polk County, MN, US
Co-ordinates
DEC47.977800° N, 96.804995° W
DMS47° 58′ 40.08″ N, 96° 48′ 17.98″ W

Population Density & area

1.71/sq mi (0.66/km²)
Total Area
35.7 sq mi (92.4 km²)
Land Area
35.7 sq mi (92.4 km²) · 100%
Water Area
0 sq mi (0 km²) · 0%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

41% male
Male 41%
Female 59%
males per 100 females
Keystone Township 69.4
Polk County 105.8
Minnesota 100.4

Nativity

0%
foreign-born population
100%Native
0% Foreign-born
% Foreign-born
Keystone Township 0%
Polk County 2.1%
Minnesota 8.7%
Age Distribution
How the population is spread across age groups

Median Age

42.3
years ∙ half population younger than 42.3, half older
Keystone Township
42.3
Polk County
39.8
Minnesota
38.8

Dependency ratio

Low High
52.5
dependents per 100 working-age adults
Keystone Township 52.5
Polk County 77.2
Minnesota 67.1

AGE DISTRIBUTION

Distribution of age group
Median age
Keystone Township Polk County Minnesota
Age Group
Children (Under 18) 31.1% 24.5% 22.9%
Working age (18-64) 65.6% 56.4% 59.8%
Senior (65+) 3.3% 19.1% 17.3%
Dependency ratio
Total dependency ratio 52.5 77.2 67.1
Child dependency ratio 47.5 43.4 38.2
Old-age dependency ratio 5 33.8 28.9
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares

Race & Ethnicity

White
88.5%
Black
0%
Asian
0%
Hispanic
9.8%
Other
1.7%
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

Low High
20.7%
chance two random people differ in race and ethnicity
Keystone Township 20.7%
Polk County 28.7%
Minnesota 41%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity
Percentage of Keystone Township population
Keystone Township Polk County Minnesota
Hispanic or Latino 9.8% 6.9% 6.4%
Mexican 9.8% 5.6% 3.9%
Puerto Rican 0% 0.2% 0.3%
Cuban 0% 0% 0.1%
Other Hispanic / Latino 0% 1% 2%
Not Hispanic or Latino 90.2% 93.1% 93.6%
One race 88.6% 88.4% 89.1%
White 88.5% 84% 75.9%
Black or African American 0% 2% 6.9%
American Indian and Alaska Native 0% 0.6% 0.7%
Asian 0% 0.8% 5.1%
Native Hawaiian and Other Pacific Islander 0% 0% 0%
Some Other Race 0% 0.9% 0.5%
Two or more races (Multiracial) 1.6% 4.7% 4.5%
Household & Families Composition
Household size, type, and family structure

Household structure

85% family
Family 85%
Non family 15%
% family households
Keystone Township 85%
Polk County 63%
Minnesota 62.3%

Average household size

3.05
persons per household
Keystone Township
3.05
Polk County
2.38
Minnesota
2.43

Household & Family COMPOSITION

Households
Percentage of Keystone Township population
Keystone Township Polk County Minnesota
Total households 20 12,360 2,307,955
Average houshold size 3.05 2.38 2.43
Family households 17 7,791 1,438,404
Average family size 3.41 3.02 3.04
Married couple family 15 6,327 1,129,003
Other families 2 1,464 309,401
Male householder 2 587 102,922
Female householder 0 877 206,479
Non-family households 3 4,569 869,551
One-person households 3 3,971 686,475
Male householder 1 2,065 320,418
Senior (65+) living alone 1 632 97,557
Female householder 2 1,906 366,057
Senior (65+) living alone 0 953 186,557
Other living arrangements 0 598 183,076

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

20
housing units
Keystone Township 20
Polk County 14,697
Minnesota 2,545,030

Occupancy status

100% occupied
Occupied 100%
Vacant 0%
vacancy rate
Keystone Township 0%
Polk County 15.9%
Minnesota 9.3%
Housing Characteristics
How the housing supply is structured and used

Types of Housing unit

90%
Single family houses
Single family houses
90%
Apartments in multi-unit structures
0%
Mobile homes
10%
Boat, RV, van, etc
0%

Median Year Built

1974
Half of houses were built before 1974, and half after.
Historic ∙ 1939 or earlier
10%
Postwar & mid-century ∙ 1940 - 1969
25%
Late 20th century ∙ 1970 - 1999
50%
Modern ∙ 2000 or later
15%
Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms
Physical characteristics of housing units
Keystone Township Polk County Minnesota
Rooms per unit
Median rooms 8.2 5.9 6.1
1–3 rooms 0% 13.1% 14.9%
4–6 rooms 20% 45.8% 41.4%
7+ rooms 80% 41.2% 43.7%
Bedrooms
No bedroom / studio 0% 1.7% 2.7%
1 bedroom 0% 8.8% 11.4%
2 bedrooms 10% 26.3% 24.5%
3 bedrooms 60% 35.6% 32.2%
4+ bedrooms 30% 27.6% 29.1%
At a glance
Median year built 1974 1971 1979
Total housing units 20 14,697 2,545,030
Occupancy Profile
Who is inside and how they use it

Homeownership

95% owners
Renter-occupied 5%
Owner-occupied 95%
homeownership rate
Keystone Township 95%
Polk County 71.3%
Minnesota 72.2%

Average household size

3.16
Owner-occupied
Renter-occupied
owner-occupied average size
Keystone Township 3.16
Polk County 2.59
Minnesota 2.59

Housing Characteristics

Occupied unit characteristics
Tenure, crowding, and utilities
Keystone Township Polk County Minnesota
Total occupied units 20 12,360 2,307,955
Year moved in
2020 or later 0% 21.1% 23.8%
2010 to 2019 40% 35.2% 38.9%
2000 to 2009 20% 18% 16.1%
1999 or earlier 40% 25.6% 21.2%
Occupants per room
1.00 or fewer 100% 98.1% 97.7%
1.01 to 1.50 0% 1.2% 1.5%
1.51 or more 0% 0.8% 0.8%
Vehicles availability
No vehicles 0% 7.4% 6.7%
1 vehicle 0% 25% 30.8%
2 vehicles 70% 38.5% 39.5%
3 or more vehicles 30% 29.1% 23.1%
House heating fuel used
Gas 60% 64.8% 75.9%
Electricity 35% 25.6% 19.4%
Solar 0% 0% 0.1%
Fuel oil, kerosene etc 5% 5.3% 1.3%
All other fuels 0% 2.8% 2.5%
No fuel used 0% 1.6% 0.9%
Selected characteristics
Lacking complete plumbing 0% 0.4% 0.4%
Lacking complete kitchen 0% 1% 0.7%
No telephone service available 5% 1% 0.7%
Housing Value
What owner-occupied units are worth

Median home value

$218,800
owner-occupied units
Median value(USD)
Keystone Township
$218,800
Polk County
$222,800
Minnesota
$329,300

Housing Cost Burden

0%
of homeowners with a mortgage are cost-burdened
% Cost-Burdened Households
Owners with a mortgage
0%
Owners without a mortgage
0%
Renters
—%
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs
Tenure, crowding, and utilities
Keystone Township Polk County Minnesota
Property value
Median Value $218,800 $222,800 $329,300
Under $100,000 21.1% 16% 7.7%
$100,000 - $200,000 21.1% 26.2% 13.3%
$200,000 - $300,000 42.1% 28.4% 22.6%
$300,000 - $500,000 10.5% 22.1% 36.9%
$500,000 - $1,000,000 5.3% 6.6% 17%
$1,000,000 and more 0% 0.7% 2.6%
Owner-occupied households
With a mortgage 42.1% 57.3% 64%
Without a mortgage 57.9% 42.7% 36%
Median monthly owner costs
With a mortgage $1,375 $1,617 $1,947
Without a mortgage $394 $623 $698
Gross rent
Median rent $— $855 $1,280

Education Profile

How educated is the community and how education pays off

Adults with a college degree

21.6%
of adults 25+ with a bachelor's degree or higher
Keystone Township 21.6%
Polk County 28%
Minnesota 39.4%

Adults without a high school diploma

0%
of adults (25+) without a high school diploma
Keystone Township 0%
Polk County 6.3%
Minnesota 6.1%
School Enrollment
Who is enrolled in school and at what level

School enrollment

24
population (age 3+) enrolled in school
Nursery / Preschool
16.7%
K–12
58.3%
College / Undergraduate
25%
Graduate / Professional
0%

College-going rate (18-24 yr olds)

80%
of 18-24-year-olds in college or graduate school
Keystone Township
80%
Polk County
39.4%
Minnesota
39.1%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
Keystone Township Polk County Minnesota
Total enrolled (age 3+) 24 7,475 1,385,086
Nursery / preschool 16.7% 5.9% 6.2%
K–12 58.3% 73.8% 69.9%
Kindergarten 0% 5.8% 5.2%
Elementary: Grades 1–4 8.3% 21.7% 20.6%
Elementary: Grades 5–8 33.3% 21.9% 21.7%
High School: Grades 9–12 16.7% 24.5% 22.4%
College or graduate school 25% 20.3% 23.9%
College, undergraduate 25% 17.2% 18.8%
Graduate, professional school 0% 3.1% 5.1%
College-going rate · 18-24 yr olds 80% 39.4% 39.1%
School type
Public school 70.8% 83.1% 83.3%
Private school 29.2% 16.9% 16.7%
Education Attainment by Level & Gender
What is the highest level of education completed among adults

Education attainment

37
population 25 years and over
Total adults (25+)
Less than 9th grade
0%
9th-12th, no diploma
0%
HS graduate
27%
Some college no degree
18.9%
Associates degree
32.4%
Bachelors degree
18.9%
Graduate or professional degree
2.7%

Attainment by gender

Male vs Female
Adults (25+) · Share within each education level
* The Census Bureau did not publish education attainment by gender data for Keystone Township due to an insufficient sample size to produce reliable estimates.
% male · % female
Less than 9th grade
—% · —%
9th-12th, no diploma
—% · —%
HS graduate
50% · 50%
Some college no degree
57.1% · 42.9%
Associates degree
50% · 50%
Bachelors degree
42.9% · 57.1%
Graduate or professional degree
0% · 100%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
Keystone Township Polk County Minnesota
Population (25+) 37 20,733 3,923,744
Less than 9th grade 0% 2% 2.7%
9th–12th, no diploma 0% 4.3% 3.4%
High school diploma or GED 27% 28.4% 23.3%
Some college, no degree 18.9% 23.5% 19.5%
Associate's degree 32.4% 13.9% 11.8%
Bachelor's degree or higher 21.6% 28% 39.4%
Bachelor's degree 18.9% 19% 25.6%
Graduate or professional 2.7% 9% 13.8%
High School or higher 100% 93.8% 93.9%
Earnings by education level
percentage as applicable

Median Earnings

$38,125
Median earnings for adults 25+, by level
Less than HS graduate
$—
HS graduate
$28,750
Some college or associates
$46,875
Bachelors degree
$33,750
Graduate or professional degree
$—

Poverty Rate

0%
for ages 25+, with bachelors degree or higher
Less than HS graduate
—%
HS graduate
0%
Some college or associates
0%
Bachelors degree or higher
0%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)
Adults 25+
Keystone Township Polk County Minnesota
Median earnings
Population 25+, with earnings $38,125 $51,684 $58,615
Less than high school graduate $— $24,691 $36,257
High school graduate (includes equivalency) $28,750 $41,100 $42,951
Some college or associate's degree $46,875 $48,294 $51,845
Bachelor's degree $33,750 $58,825 $73,301
Graduate or professional degree $— $76,898 $89,644
Poverty rates
Less than high school graduate —% 34.4% 23.7%
High school graduate (includes equivalency) 0% 13.3% 12.3%
Some college or associate's degree 0% 10.1% 7.8%
Bachelor's degree or higher 0% 6.6% 3.2%
Insights for Keystone Township, by topic

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