Goodwin is a town in Deuel County, South Dakota, United States, where the population was 146 at the 2010 census.
Goodwin is located at 44°52′41″N 96°50′56″W / 44.87806°N 96.84889°W / 44.87806; -96.84889 (44.877950, -96.848924).
According to the United States Census Bureau, the town has a total land area of 0.47 square miles (1.22 km), all of it land.
Goodwin has been assigned the ZIP code 57238 and the FIPS place code 24820.
As of the census of 2010, there were 146 people, 59 households, and 37 families residing in the town. The population density was 310.6 inhabitants per square mile (119.9/km). There were 62 housing units at an average density of 131.9 per square mile (50.9/km). The racial makeup of the town was 88.4% White, 9.6% from other races, and 2.1% from two or more races. Hispanic or Latino of any race were 10.3% of the population.
There were 59 households of which 33.9% had children under the age of 18 living with them, 47.5% were married couples living together, 10.2% had a female householder with no husband present, 5.1% had a male householder with no wife present, and 37.3% were non-families. 30.5% of all households were made up of individuals and 5.1% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.16.
The median age in the town was 40 years. 27.4% of residents were under the age of 18; 10.3% were between the ages of 18 and 24; 19.8% were from 25 to 44; 31.5% were from 45 to 64; and 11% were 65 years of age or older. The gender makeup of the town was 51.4% male and 48.6% female.
As of the census of 2000, there were 160 people, 61 households, and 38 families residing in the town. The population density was 337.4 people per square mile (131.4/km²). There were 63 housing units at an average density of 132.8 per square mile (51.8/km²). The racial makeup of the town was 95.00% White, 3.12% from other races, and 1.88% from two or more races. Hispanic or Latino of any race were 3.12% of the population.
There were 61 households out of which 34.4% had children under the age of 18 living with them, 45.9% were married couples living together, 6.6% had a female householder with no husband present, and 36.1% were non-families. 29.5% of all households were made up of individuals and 11.5% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.28.
In the town, the population was spread out with 27.5% under the age of 18, 10.6% from 18 to 24, 28.8% from 25 to 44, 20.0% from 45 to 64, and 13.1% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 119.2 males. For every 100 females age 18 and over, there were 110.9 males.
The median income for a household in the town was $34,688, and the median income for a family was $36,875. Males had a median income of $20,250 versus $22,500 for females. The per capita income for the town was $14,249. None of the families and 9.4% of the population were living below the poverty line, including no under eighteens and 18.2% of those over 64.
Goodwin South Dakota neighborhoods include: Alcester, Baltic, Black Hawk, Box Elder, Brandon, Buffalo Ridge, Camp Crook, Canton, Caputa, Central City, Chancellor, Colton, Creighton, Crooks, Custer, Deadwood, Dell Rapids, Elkton, Ellsworth Afb, Garretson, Hartford, Hermosa, Hill City, Howes, Humboldt, Keystone, Lead, Ludlow, Montrose, Nemo, New Underwood, North Sioux City, Owanka, Parker, Quinn, Rapid City, Renner, Rowena, Saint Onge, Scenic, Sherman, Silver City, Sioux Falls, Spearfish, Sturgis, Valley Springs, Wall, Wanblee, Wasta, Whitewood