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, Black or African American, other race and multiracial populations.

Population by Race

White

Two or more races

Native Hawaiian or Pacific Islander

Native American

Asian

Black or African American

Other 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%
Black or African American	0	0%
Other race	0	0%

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