Middlefield Flag

Middlefield

County:
Buchanan County
County Seat:
No
Area (mi²):
34.983
State:
Iowa

Middlefield is located in Buchanan County, Iowa. Middlefield has a 2025 population of 254 . Middlefield 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 Middlefield is $115,391 with a poverty rate of 0%. The median age in Middlefield is 43.4 years: 38.3 years for males, and 43.8 years for females. For every 100 females there are 144.2 males.

254
Total Population
7
Density (mi²)

Middlefield Population

Middlefield Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Middlefield includes 96.85% White, and smaller percentages for and multiracial populations.

Population by Race

White (96.85%)

Two or more races (3.15%)

Race
Population
Percentage (of total)
White24696.85%
Two or more races83.15%

Middlefield Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Middlefield's average per capita income is $71,591. Household income levels show a median of $109,500. The poverty rate stands at 0%.

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
Families$131,250$139,003
Married Families$131,250-
Households$109,500$115,391
Non Families$43,125$37,100

$71,591

Average Income

$109,500

Median Household Income

0%

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)