| Official Name: | Southside, Arkansas |
| Settlement Type: | City |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name: | United States |
| Subdivision Name1: | Arkansas |
| Subdivision Name2: | Independence |
| Leader Name: | established_title = Founded |
| Established Title2: | Incorporated |
| Established Date2: | 2014 |
| Area Total Sq Mi: | 9.86 |
| Area Total Km2: | 25.53 |
| Area Land Sq Mi: | 9.86 |
| Area Land Km2: | 25.53 |
| Area Water Sq Mi: | 0.00 |
| Area Water Km2: | 0.01 |
| Population As Of: | 2020 |
| Population Total: | 4279 |
| Population Density Km2: | 167.64 |
| Population Density Sq Mi: | 434.20 |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 374 |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2771128 |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
Southside is an incorporated city located in Independence County, Arkansas, United States.
The elevation of Southside is 354 feet (108 m).
The spur route of Arkansas Highway 14 connects Southside with Salado.[2]
Southside was incorporated on October 29, 2014.
| White (NH) | 3,660 | 85.53% | |
| Black or African American (NH) | 79 | 1.85% | |
| Native American or Alaska Native (NH) | 6 | 0.14% | |
| Asian (NH) | 31 | 0.72% | |
| Pacific Islander (NH) | 2 | 0.05% | |
| Some Other Race (NH) | 4 | 0.09% | |
| Mixed/Multi-Racial (NH) | 249 | 5.82% | |
| Hispanic or Latino | 248 | 5.8% | |
| Total | 4,279 |
Students in Southside can go to Southside School District or Batesville School District, Arkansas.