| Official Name: | Marion, South Dakota |
| Settlement Type: | City |
| Motto: | "The Right Place To Call Home" |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Dakota |
| Subdivision Type2: | County |
| Subdivision Name2: | Turner |
| Established Title3: | Incorporated |
| Established Date3: | 1881[1] |
| Unit Pref: | Imperial |
| Area Footnotes: | [2] |
| Area Total Km2: | 2.25 |
| Area Land Km2: | 2.25 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.87 |
| Area Land Sq Mi: | 0.87 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 849 |
| Population Density Km2: | 377.75 |
| Population Density Sq Mi: | 978.11 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Coordinates: | 43.4236°N -97.2606°W |
| Elevation Ft: | 1450 |
| Postal Code Type: | ZIP code |
| Postal Code: | 57043 |
| Area Code: | 605 |
| Blank Name: | FIPS code |
| Blank Info: | 46-40860[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1267470 |
Marion is a city in Turner County, South Dakota, United States. The population was 849 at the 2020 census.[4]
Marion was laid out in 1879, and named in honor of a railroad employee's daughter.[5]
According to the United States Census Bureau, the city has a total area of 0.87sqmi, all land.[6]
As of the census[7] of 2010, there were 784 people, 351 households, and 212 families residing in the city. The population density was 901.1PD/sqmi. There were 384 housing units at an average density of 441.4/sqmi. The racial makeup of the city was 97.2% White, 0.4% African American, 1.1% Native American, 0.1% Asian, 0.4% from other races, and 0.8% from two or more races. Hispanic or Latino of any race were 2.2% of the population.
There were 351 households, of which 21.7% had children under the age of 18 living with them, 51.9% were married couples living together, 6.3% had a female householder with no husband present, 2.3% had a male householder with no wife present, and 39.6% were non-families. 35.6% of all households were made up of individuals, and 24.8% had someone living alone who was 65 years of age or older. The average household size was 2.09 and the average family size was 2.67.
The median age in the city was 52.3 years. 17.6% of residents were under the age of 18; 5.3% were between the ages of 18 and 24; 16.9% were from 25 to 44; 28.1% were from 45 to 64; and 32% were 65 years of age or older. The gender makeup of the city was 45.7% male and 54.3% female.
As of the census of 2000, there were 892 people, 350 households, and 232 families residing in the city. The population density was 1026.9sp=usNaNsp=us. There were 377 housing units at an average density of 434sp=usNaNsp=us. The racial makeup of the city was 98.99% White, 0.34% Native American, 0.56% from other races, and 0.11% from two or more races. Hispanic or Latino of any race were 1.68% of the population.
There were 350 households, out of which 30.9% had children under the age of 18 living with them, 57.7% were married couples living together, 4.9% had a female householder with no husband present, and 33.7% were non-families. 32.3% of all households were made up of individuals, and 21.4% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 3.02.
In the city, the population was spread out, with 25.1% under the age of 18, 5.4% from 18 to 24, 20.5% from 25 to 44, 19.7% from 45 to 64, and 29.3% who were 65 years of age or older. The median age was 44 years. For every 100 females, there were 87.4 males. For every 100 females age 18 and over, there were 81.5 males.
The median income for a household in the city was $36,406, and the median income for a family was $43,375. Males had a median income of $30,417 versus $20,341 for females. The per capita income for the city was $16,125. About 1.3% of families and 3.8% of the population were below the poverty line, including 2.3% of those under age 18 and 8.8% of those age 65 or over.