| Official Name: | Jimmerson Lake, Indiana |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Jimmerson Lake |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Steuben |
| Subdivision Type3: | Townships |
| Subdivision Name3: | Jamestown, Pleasant |
| Area Footnotes: | [1] |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 2.25 |
| Area Land Sq Mi: | 1.72 |
| Area Water Sq Mi: | 0.53 |
| Population As Of: | 2020 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 965 |
| Coordinates: | 41.7078°N -85.0633°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 46703 (Angola) 46737 (Fremont) |
| Area Code: | 260 |
| Blank Name: | FIPS code |
| Blank Info: | 18-38547 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2830544 |
Jimmerson Lake is an unincorporated community and census-designated place (CDP) in Steuben County, Indiana, United States.
The community is in northern Steuben County, surrounding Jimmerson Lake, one of a chain of lakes. It is 7miles northwest of Angola, the county seat, and 5miles southeast of Orland.
According to the U.S. Census Bureau, the Jimmerson Lake CDP has a total area of 2.25sqmi, of which 1.72sqmi are land and 0.53sqmi, or 23.60%, are water.[1] Its southeast end receives water via a short channel from Lake James, while its outlet is at its northwest end, into Crooked Creek, which flows west to the Fawn River, a west-flowing tributary of the St. Joseph River leading to Lake Michigan.