| Official Name: | Winthrop, Iowa |
| Settlement Type: | City |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Buchanan |
| Leader Title: | Mayor |
| Leader Name: | Gerald Dennie [1] |
| Unit Pref: | Imperial |
| Area Footnotes: | [2] |
| Area Total Km2: | 2.05 |
| Area Land Km2: | 2.05 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.79 |
| Area Land Sq Mi: | 0.79 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 823 |
| Population Density Km2: | 401.83 |
| Population Density Sq Mi: | 1040.46 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation M: | 321 |
| Elevation Ft: | 1053 |
| Coordinates: | 42.4725°N -91.7358°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 50682 |
| Area Code: | 319 |
| Blank Name: | FIPS code |
| Blank Info: | 19-86565 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0463139 |
Winthrop is a city in Buchanan County, Iowa, United States. The population was 823 at the time of the 2020 census.[3]
Winthrop was platted in 1857.[4]
Winthrop is located at 42.4725°N -91.7358°W (42.472419, -91.735713).[5]
According to the United States Census Bureau, the city has a total area of 0.84sqmi, all land.[6]
Winthrop is located north of U.S. Route 20.
As of the census[7] of 2010, there were 850 people, 346 households, and 228 families living in the city. The population density was 1011.9PD/sqmi. There were 357 housing units at an average density of 425/sqmi. The racial makeup of the city was 98.7% White, 0.1% Native American, 0.2% Asian, 0.1% from other races, and 0.8% from two or more races. Hispanic or Latino of any race were 0.4% of the population.
There were 346 households, of which 31.8% had children under the age of 18 living with them, 52.3% were married couples living together, 9.0% had a female householder with no husband present, 4.6% had a male householder with no wife present, and 34.1% were non-families. 28.9% of all households were made up of individuals, and 14.5% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 3.00.
The median age in the city was 38.5 years. 27.5% of residents were under the age of 18; 5.7% were between the ages of 18 and 24; 24.2% were from 25 to 44; 26.7% were from 45 to 64; and 16% were 65 years of age or older. The gender makeup of the city was 50.0% male and 50.0% female.
As of the census[8] of 2000, there were 772 people, 327 households, and 206 families living in the city. The population density was 1330.9sp=usNaNsp=us. There were 341 housing units at an average density of 587.9sp=usNaNsp=us. The racial makeup of the city was 99.09% White, 0.39% Native American, 0.26% from other races, and 0.26% from two or more races. Hispanic or Latino of any race were 0.39% of the population.
There were 327 households, out of which 30.6% had children under the age of 18 living with them, 52.0% were married couples living together, 8.3% had a female householder with no husband present, and 37.0% were non-families. 33.9% of all households were made up of individuals, and 17.7% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 3.01.
25.5% were under the age of 18, 8.7% from 18 to 24, 27.5% from 25 to 44, 22.2% from 45 to 64, and 16.2% were 65 years of age or older. The median age was 38 years. For every 100 females, there were 91.1 males. For every 100 females age 18 and over, there were 84.3 males.
The median income for a household in the city was $36,136, and the median income for a family was $42,969. Males had a median income of $31,641 versus $22,500 for females. The per capita income for the city was $19,183. About 4.3% of families and 5.7% of the population were below the poverty line, including 6.3% of those under age 18 and 7.8% of those age 65 or over.
Winthrop is home to the East Buchanan Community School District, which also covers the communities of Quasqueton, Aurora, and Monti. The district operates an interconnected elementary school, middle school, and high school.[9]