| Official Name: | Rest Haven, Illinois |
| Settlement Type: | Unincorporated community Census designated place |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Rest Haven |
| Pushpin Label Position: | left |
| Coordinates: | 41.2603°N -88.1325°W |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Will |
| Subdivision Type3: | Township |
| Subdivision Name3: | Wesley |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.77 |
| Area Land Sq Mi: | 0.68 |
| Area Water Sq Mi: | 0.09 |
| Area Total Km2: | 2.00 |
| Area Land Km2: | 1.77 |
| Area Water Km2: | 0.22 |
| Population As Of: | 2020 |
| Population Density Km2: | 283.21 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 570 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 60481 (Wilmington) |
| Area Code: | 815, 779 |
| Blank Name: | FIPS code |
| Blank Info: | 17-63382 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2806550 |
| Population Total: | 502 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 733.92 |
Rest Haven is an unincorporated community and census-designated place (CDP) in Will County, Illinois, United States. It is in the southern part of the county, on the northeast side of the Kankakee River, south of Wilmington. It is bordered to the east by Ritchie and to the south, across the Kankakee, by Custer Park.
Rest Haven was first listed as a CDP prior to the 2020 census.
Rest Haven first appeared as a census designated place in the 2020 U.S. Census.[2]
| White alone (NH) | 445 | 88.65% | |
| Black or African American alone (NH) | 0 | 0.00% | |
| Native American or Alaska Native alone (NH) | 2 | 0.40% | |
| Asian alone (NH) | 2 | 0.40% | |
| Pacific Islander alone (NH) | 0 | 0.00% | |
| Some Other Race alone (NH) | 2 | 0.40% | |
| Mixed Race or Multi-Racial (NH) | 25 | 4.98% | |
| Hispanic or Latino (any race) | 26 | 5.18% | |
| Total | 502 | 100.00% |