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 811 . Winthrop is currently declining at a rate of -0.37% annually and its population has decreased by -1.7% since the most recent census, which recorded a population of 825 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. For every 100 females there are 121.1 males.

811
Total Population
1,026
Density (mi²)
-3 -0.37%
Growth

Winthrop Population

Demographics

Economics and Income Statistics

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)