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.

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, Native American, Asian, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native Hawaiian or Pacific Islander

Native American

Asian

Other race

Race	Population	Percentage (of total)
White	1,053	97.41%
Two or more races	24	2.22%
Black or African American	3	0.28%
Native Hawaiian or Pacific Islander	1	0.09%
Native American	0	0%
Asian	0	0%
Other race	0	0%

Winthrop Marital Status

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