Plainfield

County:: Bremer County
County Seat:: No
Area (mi²):: 0.336
State:: Iowa

Plainfield is a city located in Bremer County, Iowa. Plainfield has a 2025 population of 394. Plainfield 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 394 in 2020.

The average household income in Plainfield is $82,504 with a poverty rate of 7.39%.The median age in Plainfield is 43.4 years: 47.5 years for males, and 36.8 years for females.

Demographics

The racial composition of Plainfield includes 90.77% White, and smaller percentages for Native Hawaiian or Pacific Islander, Native American, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	344	90.77%
Two or more races	30	7.92%
Native Hawaiian or Pacific Islander	3	0.79%
Native American	1	0.26%
Asian	1	0.26%

Plainfield Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plainfield's average per capita income is $50,795. Household income levels show a median of $75,500. The poverty rate stands at 7.39%.

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	$96,964	-
Families	$91,750	$95,642
Households	$75,500	$82,504
Non Families	$56,607	$56,244

$50,795

Average Income

$75,500

Median Household Income

7.39%

Poverty Rate