| Official Name: | Carthage, South Dakota |
| Settlement Type: | City |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Dakota |
| Subdivision Type2: | County |
| Subdivision Name2: | Miner |
| Established Title3: | Incorporated |
| Established Date3: | 1898[1] |
| Unit Pref: | Imperial |
| Area Footnotes: | [2] |
| Population As Of: | 2020 |
| Population Total: | 127 |
| Population Density Km2: | 33.59 |
| Population Density Sq Mi: | 86.99 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Coordinates: | 44.1686°N -97.715°W |
| Elevation Ft: | 1431 |
| Postal Code Type: | ZIP code |
| Postal Code: | 57323 |
| Area Code: | 605 |
| Blank Name: | FIPS code |
| Blank Info: | 46-10220[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1267311 |
Carthage is a city in Miner County, South Dakota, United States. The population was 127 at the 2020 census.[4]
Carthage was platted in 1883.[5] It was named after Carthage, New York.[6]
According to the United States Census Bureau, the city has a total area of 1.49sqmi, of which 1.46sqmi is land and 0.03sqmi is water.[7]
As of the census[8] of 2010, there were 144 people, 80 households, and 37 families residing in the city. The population density was 98.6PD/sqmi. There were 136 housing units at an average density of 93.2/sqmi. The racial makeup of the city was 96.5% White, 0.7% Asian, and 2.8% from two or more races.
There were 80 households, of which 15.0% had children under the age of 18 living with them, 36.3% were married couples living together, 8.8% had a female householder with no husband present, 1.3% had a male householder with no wife present, and 53.8% were non-families. 46.3% of all households were made up of individuals, and 21.3% had someone living alone who was 65 years of age or older. The average household size was 1.80 and the average family size was 2.46.
The median age in the city was 52.3 years. 16% of residents were under the age of 18; 5.7% were between the ages of 18 and 24; 18.2% were from 25 to 44; 34.7% were from 45 to 64; and 25.7% were 65 years of age or older. The gender makeup of the city was 50.7% male and 49.3% female.
At the 2000 census, there were 187 people, 98 households and 52 families residing in the city. The population density was 128.1sp=usNaNsp=us. There were 143 housing units at an average density of 98sp=usNaNsp=us. The racial makeup of the city was 98.93% White, and 1.07% from two or more races.
There were 98 households, of which 14.3% had children under the age of 18 living with them, 49.0% were married couples living together, 4.1% had a female householder with no husband present, and 46.9% were non-families. 43.9% of all households were made up of individuals, and 28.6% had someone living alone who was 65 years of age or older. The average household size was 1.91 and the average family size was 2.63.
Age distribution was 16.0% under the age of 18, 6.4% from 18 to 24, 16.0% from 25 to 44, 26.2% from 45 to 64, and 35.3% who were 65 years of age or older. The median age was 51 years. For every 100 females, there were 98.9 males. For every 100 females age 18 and over, there were 84.7 males.
The median household income was $27,679, and the median family income was $32,917. Males had a median income of $26,750 versus $15,938 for females. The per capita income for the city was $15,100. About 13.2% of families and 17.4% of the population were below the poverty line, including 40.0% of those under the age of eighteen and 12.1% of those 65 or over.