Keystone Flag

Keystone

County:
Polk County
County Seat:
No
Area (mi²):
35.666
State:
Minnesota

Keystone is located in Polk County, Minnesota. Keystone has a 2025 population of 71 . Keystone is currently growing at a rate of 2.9% annually and its population has increased by 2.9% since the most recent census, which recorded a population of 69 in 2020.

The average household income in Keystone is $92,400 with a poverty rate of 0%. The median age in Keystone is 44.5 years: 54.3 years for males, and 30.5 years for females. For every 100 females there are 96.8 males.

71
Total Population
2
Density (mi²)
2 2.9%
Growth

Keystone Population

Keystone Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Keystone includes 90.16% White, 8.2% other race, and smaller percentages for Two or more races and multiracial populations.

Population by Race

White (90.16%)

Other race (8.2%)

Two or more races (1.64%)

Race
Population
Percentage (of total)
White5590.16%
Other race58.2%
Two or more races11.64%

Keystone Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Keystone's average per capita income is $39,375. Household income levels show a median of $88,333. The poverty rate stands at 0%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$89,583-
Families$88,750$94,390
Households$88,333$92,400
Non Families--

$39,375

Average Income

$88,333

Median Household Income

0%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)