| Official Name: | South Canal, Ohio |
| Settlement Type: | Census-designated place |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Trumbull |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 4.44 |
| Area Land Km2: | 4.37 |
| Area Water Km2: | 0.07 |
| Area Total Sq Mi: | 1.71 |
| Area Land Sq Mi: | 1.69 |
| Area Water Sq Mi: | 0.03 |
| Population As Of: | 2020 |
| Population Total: | 1101 |
| Population Density Km2: | 251.84 |
| Population Density Sq Mi: | 652.25 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 932 |
| Coordinates: | 41.1761°N -80.9867°W |
| Blank Name: | FIPS code |
| Blank Info: | 39-73118[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2393239 |
South Canal is an unincorporated community and census-designated place in western Newton Township, Trumbull County, Ohio, United States. The population was 1,101 at the 2020 census. It is part of the Youngstown–Warren metropolitan area.
According to the United States Census Bureau, the CDP has a total area of 1.7sqmi, of which 1.6sqmi is land and 0.04sqmi (2.41%) is water.
As of the census of 2000, there were 1,346 people, 478 households, and 383 families residing in the CDP. The population density was 830.9sp=usNaNsp=us. There were 493 housing units at an average density of 304.3sp=usNaNsp=us. The racial makeup of the CDP was 98.51% White, 0.30% African American, 0.07% Native American, 0.07% Asian, and 1.04% from two or more races. Hispanic or Latino of any race were 0.59% of the population.
There were 478 households, out of which 31.0% had children under the age of 18 living with them, 68.8% were married couples living together, 8.4% had a female householder with no husband present, and 19.7% were non-families. 17.8% of all households were made up of individuals, and 9.8% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was 3.02.
In the CDP the population was spread out, with 21.9% under the age of 18, 6.5% from 18 to 24, 24.1% from 25 to 44, 27.3% from 45 to 64, and 20.1% who were 65 years of age or older. The median age was 43 years. For every 100 females there were 92.3 males. For every 100 females age 18 and over, there were 89.0 males.
The median income for a household in the CDP was $45,417, and the median income for a family was $53,438. Males had a median income of $41,250 versus $24,141 for females. The per capita income for the CDP was $19,253. About 1.3% of families and 3.9% of the population were below the poverty line, including none of those under age 18 and 14.7% of those age 65 or over.