Plainfield is a city located in Bremer County, Iowa. Plainfield has a 2026 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 median household income in Plainfield is $80,000 with a poverty rate of 10.19%. The median age in Plainfield is 43.7 years: 48 years for males, and 42.4 years for females. For every 100 females there are 103.9 males.
Data after 2023 is projected based on recent change
Overall: 43.7 years
Female: 42.4 years
Male: 48 years
There are 242 adults, (63 of whom are seniors) in Plainfield.
Female: 154 (49%)
Male: 160 (51%)
The racial composition of Plainfield includes 89.17% White, and smaller percentages for Native Hawaiian or Pacific Islander, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 280 | 89.17% |
| Two or more races | 28 | 8.92% |
| Native Hawaiian or Pacific Islander | 3 | 0.96% |
| Asian | 2 | 0.64% |
| Native American | 1 | 0.32% |
Plainfield 's average per capita income is $54,583. Household income levels show a median of $80,000. The poverty rate stands at 10.19%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $115,972 | - |
| Families | $96,250 | $104,621 |
| Households | $80,000 | $86,207 |
| Non Families | $55,179 | $53,708 |
Average Income
Median Household Income
Poverty Rate