Clay Flag

Clay

County:
Grundy County
County Seat:
No
Area (mi²):
35.968
State:
Iowa

Clay is located in Grundy County, Iowa. Clay has a 2025 population of 1,491 . 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 $87,844 with a poverty rate of 3.8%. The median age in Clay is 52.1 years: 51.3 years for males, and 53.9 years for females. For every 100 females there are 94.4 males.

1.5K
Total Population
41
Density (mi²)

Clay Population

Clay Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Clay includes 93.7% White, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

White (93.7%)

Two or more races (4.09%)

Black or African American (2.15%)

Asian (0.07%)

Race
Population
Percentage (of total)
White1,39793.7%
Two or more races614.09%
Black or African American322.15%
Asian10.07%

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 $48,804. Household income levels show a median of $75,147. The poverty rate stands at 3.8%.

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$95,000-
Families$91,250$101,037
Households$75,147$87,844
Non Families$54,286$63,634

$48,804

Average Income

$75,147

Median Household Income

3.8%

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)