Editing Garwin, Iowa (section)

===2020 census===
As of the 2020 [[United States census|census]],<ref>{{cite web |title=2020 Census |url=https://www.census.gov/programs-surveys/decennial-census/decade/2020/2020-census-main.html |publisher=United States Census Bureau}}</ref> there were 481 people, 217 households, and 136 families residing in the city. The [[population density]] was 477.5 inhabitants per square mile (184.4/km<sup>2</sup>). There were 237 housing units at an average density of 235.3 per square mile (90.8/km<sup>2</sup>). The [[Race and ethnicity in the United States census|racial]] makeup of the city was 93.6% [[White Americans|White]], 1.0% [[African Americans|Black or African American]], 2.1% [[Native Americans in the United States|Native American]], 0.4% [[Asian Americans|Asian]], 0.0% [[Pacific Islander Americans|Pacific Islander]], 0.2% from other races and 2.7% from two or more races. [[Hispanic and Latino Americans|Hispanic or Latino]] persons of any race comprised 3.5% of the population.

Of the 217 households, 27.6% had children under the age of 18 living with them, 41.5% were [[Marriage|married couples]] living together, 10.6% were cohabitating couples, 27.2% had a female householder with no spouse or partner present, and 20.7% had a male householder with no spouse or partner present. 37.3% of all households were non-families, 32.7% were individuals, and 16.6% had someone 65 or older living alone.

The median age in the city was 43.8 years. 23.7% of the residents were under 20; 6.4% were between 20 and 24; 22.2% were between 25 and 44; 28.1% were between 45 and 64; and 19.5% were 65 or older. The gender makeup of the city was 48.0% male and 52.0% female.