Clay Flag

Clay

County Seat:
No
Area (mi²):
27.438
State:
Iowa

Clay is located in Washington County, Iowa. Clay has a 2025 population of 152. Clay 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 Clay is $171,103 with a poverty rate of 11.18%. The median age in Clay is 50.8 years: 50.6 years for males, and 51.2 years for females.

152
Total Population
6
Density (mi²)
0 0%
Growth

Clay Population

Clay Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

White (100.0%)

Race
Population
Percentage (of total)
White152100%

Clay Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Clay's average per capita income is $121,767. Household income levels show a median of $0. The poverty rate stands at 11.18%.

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$250,001-
Households-$171,103
Families-$171,103
Non Families--

$121,767

Average Income

$0

Median Household Income

11.18%

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)