Plainfield Flag

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 392 . 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 392 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. For every 100 females there are 85.8 males.

392
Total Population
1,167
Density (mi²)

Plainfield Population

Plainfield Population

Data after 2023 is projected based on recent change

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

White (90.77%)

Two or more races (7.92%)

Native Hawaiian or Pacific Islander (0.79%)

Native American (0.26%)

Asian (0.26%)

Race
Population
Percentage (of total)
White34490.77%
Two or more races307.92%
Native Hawaiian or Pacific Islander30.79%
Native American10.26%
Asian10.26%

Plainfield Marital Status

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

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

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)