Black Oak Flag

Black Oak

County:
Mahaska County
County Seat:
No
Area (mi²):
32.837
State:
Iowa

Black Oak is located in Mahaska County, Iowa. Black Oak has a 2025 population of 583. Black Oak 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 Black Oak is $111,108 with a poverty rate of 0.17%. The median age in Black Oak is 48.1 years: 46.2 years for males, and 52.1 years for females.

583
Total Population
18
Density (mi²)
0 null
Growth

Black Oak Population

Black Oak Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Black Oak includes 98.97% White, and smaller percentages for Two or more races, Asian and multiracial populations.

Population by Race

White (99.0%)

Two or more races (0.7%)

Asian (0.3%)

Race
Population
Percentage (of total)
White57798.97%
Two or more races40.69%
Asian20.34%

Black Oak Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Black Oak's average per capita income is $41,071. Household income levels show a median of $82,353. The poverty rate stands at 0.17%.

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$93,438-
Families$92,734$133,942
Households$82,353$111,108
Non Families$36,141$44,513

$41,071

Average Income

$82,353

Median Household Income

0.17%

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)