Winthrop Flag

Winthrop

County:
Buchanan County
County Seat:
No
Area (mi²):
0.791
State:
Iowa

Winthrop is a city located in Buchanan County, Iowa. Winthrop has a 2025 population of 814. Winthrop is currently declining at a rate of -0.25% annually and its population has decreased by -1.09% since the most recent census, which recorded a population of 823 in 2020.

The average household income in Winthrop is $84,146 with a poverty rate of 3.24%.The median age in Winthrop is 37.5 years: 34.6 years for males, and 40.5 years for females.

814
Total Population
1,029
Density (mi²)
-2 -0.25%
Growth

Winthrop Population

Winthrop Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Winthrop includes 97.41% White, and smaller percentages for Two or more races, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White1,05397.41%
Two or more races242.22%
Black or African American30.28%
Native Hawaiian or Pacific Islander10.09%

Winthrop Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Winthrop's average per capita income is $48,343. Household income levels show a median of $64,904. The poverty rate stands at 3.24%.

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$89,531-
Families$75,250$94,640
Households$64,904$84,146
Non Families$48,500$47,402

$48,343

Average Income

$64,904

Median Household Income

3.24%

Poverty Rate

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)