St. Joseph Flag

St. Joseph

County:
Humboldt County
County Seat:
No
Area (mi²):
0.862
State:
Iowa

St. Joseph is a CDP located in Humboldt County, Iowa. St. Joseph has a 2025 population of 84 . St. Joseph is currently growing at a rate of 7.69% annually but its population has decreased by -31.15% since the most recent census, which recorded a population of 122 in 2020.

The average household income in St. Joseph is $45,226 with a poverty rate of 21.79%. The median age in St. Joseph is 73.4 years: 73.8 years for males, and 37 years for females. For every 100 females there are 160.0 males.

84
Total Population
97
Density (mi²)
6 7.69%
Growth

St. Joseph Population

St. Joseph Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of St. Joseph includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White78100%

St. Joseph Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Joseph's average per capita income is $0. Household income levels show a median of $45,347. The poverty rate stands at 21.79%.

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
Households$45,347$45,226
Families--
Married Families--
Non Families-$51,758

$0

Average Income

$45,347

Median Household Income

21.79%

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)