| Official Name: | Jamesville Colony, South Dakota |
| Settlement Type: | Census-designated place |
| Pushpin Map: | South Dakota#USA |
| Pushpin Label: | Jamesville Colony |
| Pushpin Label Position: | top |
| Coordinates: | 43.1017°N -97.4817°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Dakota |
| Subdivision Type2: | County |
| Subdivision Name2: | Yankton |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.10 |
| Area Land Sq Mi: | 0.10 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 0.27 |
| Area Land Km2: | 0.27 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Density Km2: | 405.34 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1184 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 57067 (Utica) |
| Area Code: | 605 |
| Blank Name: | FIPS code |
| Blank Info: | 46-32388 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2813067 |
| Population Total: | 110 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 1047.62 |
Jamesville Colony is a census-designated place (CDP) and Hutterite colony[3] in Yankton County, South Dakota, United States. The population was 110 at the 2020 census.[4] It was first listed as a CDP prior to the 2020 census.
It is in the northwest part of the county, on the north side of the James River. It is 9miles north of Utica and north-northwest of Yankton, the county seat.