St. John Flag

St. John

County:
Harrison County
County Seat:
No
Area (mi²):
45.656
State:
Iowa

St. John is located in Harrison County, Iowa. St. John has a 2025 population of 4,085 . St. John is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in St. John is $88,082 with a poverty rate of 7.79%. The median age in St. John is 41.8 years: 42.1 years for males, and 41.6 years for females. For every 100 females there are 89.1 males.

4.1K
Total Population
89
Density (mi²)

St. John Population

St. John Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of St. John includes 97.01% White, and smaller percentages for Two or more races, Asian, Native American, other race and multiracial populations.

Population by Race

White (97.01%)

Two or more races (2.47%)

Asian (0.27%)

Native American (0.15%)

Other race (0.1%)

Race
Population
Percentage (of total)
White3,96397.01%
Two or more races1012.47%
Asian110.27%
Native American60.15%
Other race40.1%

St. John Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. John's average per capita income is $51,586. Household income levels show a median of $76,942. The poverty rate stands at 7.79%.

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$103,438-
Families$88,860$105,965
Households$76,942$88,082
Non Families$40,500$51,277

$51,586

Average Income

$76,942

Median Household Income

7.79%

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)