| Official Name: | Jacksonville, Iowa |
| Pushpin Map: | Iowa |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Iowa |
| Subdivision Type2: | County |
| Subdivision Name2: | Shelby |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.25 |
| Area Land Km2: | 0.25 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.10 |
| Area Land Sq Mi: | 0.10 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 29 |
| Population Density Km2: | 113.85 |
| Population Density Sq Mi: | 295.92 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1303 |
| Coordinates: | 41.645°N -95.1517°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 51537[2] |
| Area Code: | 712 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2583483 |
Jacksonville is an unincorporated community and census-designated place in Jackson Township, Shelby County, Iowa, in the United States. As of the 2010 Census the population of Jacksonville was 30.[3]
Jacksonville was originally built up chiefly by the Danish.[4] Jacksonville's population was 12 in 1902,[5] and 75 in 1925.[6]
The Harlan Community School District operates local public schools. The district serves the towns of Harlan, Defiance, Earling, Panama, Portsmouth and Westphalia, the unincorporated communities of Jacksonville and Corley, and the surrounding rural areas.[7]